Bus San Luis, SL to Buenos Aires: Compare prices and save money

Compare all timetables for the bus from San Luis, SL to Buenos Aires

Here is a selection of the cheapest bus trips from the schedule from San Luis, SL to Buenos Aires from various bus operators like CATA Internacional, Andesmar or 20 de Junio for the next days.

today

$63

tomorrow

$63

Saturday

$63

Sunday

$63

Monday

$63

Tuesday

$63

Wednesday

$63

Cheapest bus trips today
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Central Argentino	11h 55m	8:20 PM	San Luis, SL	Central Bus Station	8:15 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$63	A Bus from Central Argentino goes from Central Bus Station, San Luis, SL (Argentina) at 10/8/2026 8:20:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/9/2026 8:15:00 AM. 50 Premium Economy ticket for $63 per person are available. Travel duration is 11h 55m
20 de Junio	12h 15m	8:15 PM	San Luis, SL	Central Bus Station	8:30 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$68	A Bus from 20 de Junio goes from Central Bus Station, San Luis, SL (Argentina) at 10/8/2026 8:15:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/9/2026 8:30:00 AM. 50 Premium Economy ticket for $68 per person are available. Travel duration is 12h 15m
Chevallier	13h 55m	5:15 PM	San Luis, SL	Central Bus Station	7:10 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$69	A Bus from Chevallier goes from Central Bus Station, San Luis, SL (Argentina) at 10/8/2026 5:15:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/9/2026 7:10:00 AM. 50 Premium Economy ticket for $69 per person are available. Travel duration is 13h 55m
Andesmar	13h 20m	5:30 PM	San Luis, SL	Central Bus Station	6:50 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$69	A Bus from Andesmar goes from Central Bus Station, San Luis, SL (Argentina) at 10/8/2026 5:30:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/9/2026 6:50:00 AM. 50 Premium Economy ticket for $69 per person are available. Travel duration is 13h 20m
CATA Internacional	11h 50m	8:00 PM	San Luis, SL	Central Bus Station	7:50 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$69	A Bus from CATA Internacional goes from Central Bus Station, San Luis, SL (Argentina) at 10/8/2026 8:00:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/9/2026 7:50:00 AM. 50 Premium Economy ticket for $69 per person are available. Travel duration is 11h 50m

Did you know that if you travel from San Luis, SL to Buenos Aires via Villa Mercedes, SL, you can save more than $30? You can find the corresponding connections below.
- Del Sur y Media Agua
  
  10h 10m
  
  0
  
  8:40 PM
  
  San Luis, SL
  Central Bus Station
  
  9:55 PM
  
  Villa Mercedes, SL
  Central Bus Station
  
  0
  
  Premium Economy
  
  $7
  
  A Bus from Del Sur y Media Agua goes from Central Bus Station, San Luis, SL (Argentina) at 10/9/2026 8:40:00 PM to Central Bus Station, Villa Mercedes, SL (Argentina) arriving at 10/9/2026 9:55:00 PM. 50 Premium Economy ticket for $7 per person are available. Travel duration is 1h 15m
- Central Argentino
  
  8h 20m
  
  0
  
  10:30 PM
  
  Villa Mercedes, SL
  Central Bus Station
  
  6:50 AM
  
  Buenos Aires
  Villa Tesei
  
  0
  
  Premium Economy
  
  $26
  
  A Bus from Central Argentino goes from Central Bus Station, Villa Mercedes, SL (Argentina) at 10/9/2026 10:30:00 PM to Villa Tesei, Buenos Aires (Argentina) arriving at 10/10/2026 6:50:00 AM. 50 Premium Economy ticket for $26 per person are available. Travel duration is 8h 20m
Travel Time is 1h 40m shorter, and you will save $30

Cheapest bus trips tomorrow
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Central Argentino	11h 55m	8:20 PM	San Luis, SL	Central Bus Station	8:15 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$63	A Bus from Central Argentino goes from Central Bus Station, San Luis, SL (Argentina) at 10/9/2026 8:20:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/10/2026 8:15:00 AM. 50 Premium Economy ticket for $63 per person are available. Travel duration is 11h 55m
20 de Junio	10h 30m	8:45 PM	San Luis, SL	Central Bus Station	7:15 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$68	A Bus from 20 de Junio goes from Central Bus Station, San Luis, SL (Argentina) at 10/9/2026 8:45:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/10/2026 7:15:00 AM. 50 Premium Economy ticket for $68 per person are available. Travel duration is 10h 30m
Andesmar	13h 20m	5:30 PM	San Luis, SL	Central Bus Station	6:50 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$69	A Bus from Andesmar goes from Central Bus Station, San Luis, SL (Argentina) at 10/9/2026 5:30:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/10/2026 6:50:00 AM. 50 Premium Economy ticket for $69 per person are available. Travel duration is 13h 20m
Autotransportes San Juan	13h 0m	10:00 AM	San Luis, SL	Central Bus Station	11:00 PM	Buenos Aires	Retiro Bus Station	Premium Economy	$69	A Bus from Autotransportes San Juan goes from Central Bus Station, San Luis, SL (Argentina) at 10/9/2026 10:00:00 AM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/9/2026 11:00:00 PM. 50 Premium Economy ticket for $69 per person are available. Travel duration is 13h 0m
CATA Internacional	10h 45m	9:00 PM	San Luis, SL	Central Bus Station	7:45 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$71	A Bus from CATA Internacional goes from Central Bus Station, San Luis, SL (Argentina) at 10/9/2026 9:00:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/10/2026 7:45:00 AM. 50 Premium Economy ticket for $71 per person are available. Travel duration is 10h 45m

Did you know that if you travel from San Luis, SL to Buenos Aires via Villa Mercedes, SL, you can save more than $30? You can find the corresponding connections below.
- Del Sur y Media Agua
  
  10h 10m
  
  0
  
  8:40 PM
  
  San Luis, SL
  Central Bus Station
  
  9:55 PM
  
  Villa Mercedes, SL
  Central Bus Station
  
  0
  
  Premium Economy
  
  $7
  
  A Bus from Del Sur y Media Agua goes from Central Bus Station, San Luis, SL (Argentina) at 10/9/2026 8:40:00 PM to Central Bus Station, Villa Mercedes, SL (Argentina) arriving at 10/9/2026 9:55:00 PM. 50 Premium Economy ticket for $7 per person are available. Travel duration is 1h 15m
- Central Argentino
  
  8h 20m
  
  0
  
  10:30 PM
  
  Villa Mercedes, SL
  Central Bus Station
  
  6:50 AM
  
  Buenos Aires
  Villa Tesei
  
  0
  
  Premium Economy
  
  $26
  
  A Bus from Central Argentino goes from Central Bus Station, Villa Mercedes, SL (Argentina) at 10/9/2026 10:30:00 PM to Villa Tesei, Buenos Aires (Argentina) arriving at 10/10/2026 6:50:00 AM. 50 Premium Economy ticket for $26 per person are available. Travel duration is 8h 20m
Travel Time is 0h 20m shorter, and you will save $30

Cheapest bus trips Saturday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Central Argentino	11h 55m	8:20 PM	San Luis, SL	Central Bus Station	8:15 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$63	A Bus from Central Argentino goes from Central Bus Station, San Luis, SL (Argentina) at 10/10/2026 8:20:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/11/2026 8:15:00 AM. 50 Premium Economy ticket for $63 per person are available. Travel duration is 11h 55m
20 de Junio	12h 15m	8:15 PM	San Luis, SL	Central Bus Station	8:30 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$68	A Bus from 20 de Junio goes from Central Bus Station, San Luis, SL (Argentina) at 10/10/2026 8:15:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/11/2026 8:30:00 AM. 50 Premium Economy ticket for $68 per person are available. Travel duration is 12h 15m
CATA Internacional	11h 50m	8:00 PM	San Luis, SL	Central Bus Station	7:50 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$69	A Bus from CATA Internacional goes from Central Bus Station, San Luis, SL (Argentina) at 10/10/2026 8:00:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/11/2026 7:50:00 AM. 50 Premium Economy ticket for $69 per person are available. Travel duration is 11h 50m
Andesmar	13h 20m	5:30 PM	San Luis, SL	Central Bus Station	6:50 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$69	A Bus from Andesmar goes from Central Bus Station, San Luis, SL (Argentina) at 10/10/2026 5:30:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/11/2026 6:50:00 AM. 50 Premium Economy ticket for $69 per person are available. Travel duration is 13h 20m
Autotransportes San Juan	13h 0m	10:00 AM	San Luis, SL	Central Bus Station	11:00 PM	Buenos Aires	Retiro Bus Station	Premium Economy	$72	A Bus from Autotransportes San Juan goes from Central Bus Station, San Luis, SL (Argentina) at 10/10/2026 10:00:00 AM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/10/2026 11:00:00 PM. 50 Premium Economy ticket for $72 per person are available. Travel duration is 13h 0m

Did you know that if you travel from San Luis, SL to Buenos Aires via Villa Mercedes, SL, you can save more than $30? You can find the corresponding connections below.
- Del Sur y Media Agua
  
  10h 10m
  
  0
  
  8:40 PM
  
  San Luis, SL
  Central Bus Station
  
  9:55 PM
  
  Villa Mercedes, SL
  Central Bus Station
  
  0
  
  Premium Economy
  
  $7
  
  A Bus from Del Sur y Media Agua goes from Central Bus Station, San Luis, SL (Argentina) at 10/9/2026 8:40:00 PM to Central Bus Station, Villa Mercedes, SL (Argentina) arriving at 10/9/2026 9:55:00 PM. 50 Premium Economy ticket for $7 per person are available. Travel duration is 1h 15m
- Central Argentino
  
  8h 20m
  
  0
  
  10:30 PM
  
  Villa Mercedes, SL
  Central Bus Station
  
  6:50 AM
  
  Buenos Aires
  Villa Tesei
  
  0
  
  Premium Economy
  
  $26
  
  A Bus from Central Argentino goes from Central Bus Station, Villa Mercedes, SL (Argentina) at 10/9/2026 10:30:00 PM to Villa Tesei, Buenos Aires (Argentina) arriving at 10/10/2026 6:50:00 AM. 50 Premium Economy ticket for $26 per person are available. Travel duration is 8h 20m
Travel Time is 1h 40m shorter, and you will save $30

Cheapest bus trips Sunday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Central Argentino	11h 55m	8:20 PM	San Luis, SL	Central Bus Station	8:15 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$63	A Bus from Central Argentino goes from Central Bus Station, San Luis, SL (Argentina) at 10/11/2026 8:20:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/12/2026 8:15:00 AM. 50 Premium Economy ticket for $63 per person are available. Travel duration is 11h 55m
20 de Junio	10h 30m	8:45 PM	San Luis, SL	Central Bus Station	7:15 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$68	A Bus from 20 de Junio goes from Central Bus Station, San Luis, SL (Argentina) at 10/11/2026 8:45:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/12/2026 7:15:00 AM. 50 Premium Economy ticket for $68 per person are available. Travel duration is 10h 30m
CATA Internacional	11h 5m	8:00 PM	San Luis, SL	Central Bus Station	7:05 AM	Buenos Aires	Villa Tesei	Premium Economy	$69	A Bus from CATA Internacional goes from Central Bus Station, San Luis, SL (Argentina) at 10/11/2026 8:00:00 PM to Villa Tesei, Buenos Aires (Argentina) arriving at 10/12/2026 7:05:00 AM. 50 Premium Economy ticket for $69 per person are available. Travel duration is 11h 5m
Andesmar	12h 17m	5:30 PM	San Luis, SL	Central Bus Station	5:47 AM	Buenos Aires	Villa Tesei	Premium Economy	$69	A Bus from Andesmar goes from Central Bus Station, San Luis, SL (Argentina) at 10/11/2026 5:30:00 PM to Villa Tesei, Buenos Aires (Argentina) arriving at 10/12/2026 5:47:00 AM. 50 Premium Economy ticket for $69 per person are available. Travel duration is 12h 17m
PLATABUS	9h 55m	10:30 PM	San Luis, SL	Central Bus Station	8:25 AM	Buenos Aires	Liniers Bus Station	First Class	$69	A Bus from PLATABUS goes from Central Bus Station, San Luis, SL (Argentina) at 10/11/2026 10:30:00 PM to Liniers Bus Station, Buenos Aires (Argentina) arriving at 10/12/2026 8:25:00 AM. 50 First Class ticket for $69 per person are available. Travel duration is 9h 55m

Did you know that if you travel from San Luis, SL to Buenos Aires via Villa Mercedes, SL, you can save more than $30? You can find the corresponding connections below.
- Del Sur y Media Agua
  
  10h 10m
  
  0
  
  8:40 PM
  
  San Luis, SL
  Central Bus Station
  
  9:55 PM
  
  Villa Mercedes, SL
  Central Bus Station
  
  0
  
  Premium Economy
  
  $7
  
  A Bus from Del Sur y Media Agua goes from Central Bus Station, San Luis, SL (Argentina) at 10/9/2026 8:40:00 PM to Central Bus Station, Villa Mercedes, SL (Argentina) arriving at 10/9/2026 9:55:00 PM. 50 Premium Economy ticket for $7 per person are available. Travel duration is 1h 15m
- Central Argentino
  
  8h 20m
  
  0
  
  10:30 PM
  
  Villa Mercedes, SL
  Central Bus Station
  
  6:50 AM
  
  Buenos Aires
  Villa Tesei
  
  0
  
  Premium Economy
  
  $26
  
  A Bus from Central Argentino goes from Central Bus Station, Villa Mercedes, SL (Argentina) at 10/9/2026 10:30:00 PM to Villa Tesei, Buenos Aires (Argentina) arriving at 10/10/2026 6:50:00 AM. 50 Premium Economy ticket for $26 per person are available. Travel duration is 8h 20m
Travel time is 0h 15m longer, but you will save $30

Cheapest bus trips Monday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Central Argentino	11h 55m	8:20 PM	San Luis, SL	Central Bus Station	8:15 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$63	A Bus from Central Argentino goes from Central Bus Station, San Luis, SL (Argentina) at 10/12/2026 8:20:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/13/2026 8:15:00 AM. 50 Premium Economy ticket for $63 per person are available. Travel duration is 11h 55m
20 de Junio	12h 15m	8:15 PM	San Luis, SL	Central Bus Station	8:30 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$68	A Bus from 20 de Junio goes from Central Bus Station, San Luis, SL (Argentina) at 10/12/2026 8:15:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/13/2026 8:30:00 AM. 50 Premium Economy ticket for $68 per person are available. Travel duration is 12h 15m
CATA Internacional	11h 45m	8:00 PM	San Luis, SL	Central Bus Station	7:45 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$69	A Bus from CATA Internacional goes from Central Bus Station, San Luis, SL (Argentina) at 10/12/2026 8:00:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/13/2026 7:45:00 AM. 50 Premium Economy ticket for $69 per person are available. Travel duration is 11h 45m
Andesmar	13h 20m	5:30 PM	San Luis, SL	Central Bus Station	6:50 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$69	A Bus from Andesmar goes from Central Bus Station, San Luis, SL (Argentina) at 10/12/2026 5:30:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/13/2026 6:50:00 AM. 50 Premium Economy ticket for $69 per person are available. Travel duration is 13h 20m
PLATABUS	10h 45m	11:30 PM	San Luis, SL	Central Bus Station	10:15 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$69	A Bus from PLATABUS goes from Central Bus Station, San Luis, SL (Argentina) at 10/12/2026 11:30:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/13/2026 10:15:00 AM. 50 Premium Economy ticket for $69 per person are available. Travel duration is 10h 45m

Did you know that if you travel from San Luis, SL to Buenos Aires via Villa Mercedes, SL, you can save more than $30? You can find the corresponding connections below.
- Del Sur y Media Agua
  
  10h 10m
  
  0
  
  8:40 PM
  
  San Luis, SL
  Central Bus Station
  
  9:55 PM
  
  Villa Mercedes, SL
  Central Bus Station
  
  0
  
  Premium Economy
  
  $7
  
  A Bus from Del Sur y Media Agua goes from Central Bus Station, San Luis, SL (Argentina) at 10/9/2026 8:40:00 PM to Central Bus Station, Villa Mercedes, SL (Argentina) arriving at 10/9/2026 9:55:00 PM. 50 Premium Economy ticket for $7 per person are available. Travel duration is 1h 15m
- Central Argentino
  
  8h 20m
  
  0
  
  10:30 PM
  
  Villa Mercedes, SL
  Central Bus Station
  
  6:50 AM
  
  Buenos Aires
  Villa Tesei
  
  0
  
  Premium Economy
  
  $26
  
  A Bus from Central Argentino goes from Central Bus Station, Villa Mercedes, SL (Argentina) at 10/9/2026 10:30:00 PM to Villa Tesei, Buenos Aires (Argentina) arriving at 10/10/2026 6:50:00 AM. 50 Premium Economy ticket for $26 per person are available. Travel duration is 8h 20m
Travel Time is 0h 35m shorter, and you will save $30

Cheapest bus trips Tuesday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Central Argentino	11h 55m	8:20 PM	San Luis, SL	Central Bus Station	8:15 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$63	A Bus from Central Argentino goes from Central Bus Station, San Luis, SL (Argentina) at 10/13/2026 8:20:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/14/2026 8:15:00 AM. 50 Premium Economy ticket for $63 per person are available. Travel duration is 11h 55m
20 de Junio	12h 15m	8:15 PM	San Luis, SL	Central Bus Station	8:30 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$68	A Bus from 20 de Junio goes from Central Bus Station, San Luis, SL (Argentina) at 10/13/2026 8:15:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/14/2026 8:30:00 AM. 50 Premium Economy ticket for $68 per person are available. Travel duration is 12h 15m
CATA Internacional	11h 50m	8:00 PM	San Luis, SL	Central Bus Station	7:50 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$69	A Bus from CATA Internacional goes from Central Bus Station, San Luis, SL (Argentina) at 10/13/2026 8:00:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/14/2026 7:50:00 AM. 50 Premium Economy ticket for $69 per person are available. Travel duration is 11h 50m
Andesmar	13h 20m	5:30 PM	San Luis, SL	Central Bus Station	6:50 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$72	A Bus from Andesmar goes from Central Bus Station, San Luis, SL (Argentina) at 10/13/2026 5:30:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/14/2026 6:50:00 AM. 50 Premium Economy ticket for $72 per person are available. Travel duration is 13h 20m
Chevallier	13h 55m	5:15 PM	San Luis, SL	Central Bus Station	7:10 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$72	A Bus from Chevallier goes from Central Bus Station, San Luis, SL (Argentina) at 10/13/2026 5:15:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/14/2026 7:10:00 AM. 50 Premium Economy ticket for $72 per person are available. Travel duration is 13h 55m

Did you know that if you travel from San Luis, SL to Buenos Aires via Villa Mercedes, SL, you can save more than $30? You can find the corresponding connections below.
- Del Sur y Media Agua
  
  10h 10m
  
  0
  
  8:40 PM
  
  San Luis, SL
  Central Bus Station
  
  9:55 PM
  
  Villa Mercedes, SL
  Central Bus Station
  
  0
  
  Premium Economy
  
  $7
  
  A Bus from Del Sur y Media Agua goes from Central Bus Station, San Luis, SL (Argentina) at 10/9/2026 8:40:00 PM to Central Bus Station, Villa Mercedes, SL (Argentina) arriving at 10/9/2026 9:55:00 PM. 50 Premium Economy ticket for $7 per person are available. Travel duration is 1h 15m
- Central Argentino
  
  8h 20m
  
  0
  
  10:30 PM
  
  Villa Mercedes, SL
  Central Bus Station
  
  6:50 AM
  
  Buenos Aires
  Villa Tesei
  
  0
  
  Premium Economy
  
  $26
  
  A Bus from Central Argentino goes from Central Bus Station, Villa Mercedes, SL (Argentina) at 10/9/2026 10:30:00 PM to Villa Tesei, Buenos Aires (Argentina) arriving at 10/10/2026 6:50:00 AM. 50 Premium Economy ticket for $26 per person are available. Travel duration is 8h 20m
Travel Time is 1h 40m shorter, and you will save $30

Cheapest bus trips Wednesday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Central Argentino	11h 55m	8:20 PM	San Luis, SL	Central Bus Station	8:15 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$63	A Bus from Central Argentino goes from Central Bus Station, San Luis, SL (Argentina) at 10/14/2026 8:20:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/15/2026 8:15:00 AM. 50 Premium Economy ticket for $63 per person are available. Travel duration is 11h 55m
20 de Junio	12h 15m	8:15 PM	San Luis, SL	Central Bus Station	8:30 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$68	A Bus from 20 de Junio goes from Central Bus Station, San Luis, SL (Argentina) at 10/14/2026 8:15:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/15/2026 8:30:00 AM. 50 Premium Economy ticket for $68 per person are available. Travel duration is 12h 15m
CATA Internacional	11h 50m	8:00 PM	San Luis, SL	Central Bus Station	7:50 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$69	A Bus from CATA Internacional goes from Central Bus Station, San Luis, SL (Argentina) at 10/14/2026 8:00:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/15/2026 7:50:00 AM. 50 Premium Economy ticket for $69 per person are available. Travel duration is 11h 50m
Andesmar	13h 20m	5:30 PM	San Luis, SL	Central Bus Station	6:50 AM	Buenos Aires	Retiro Bus Station	Premium Economy	$69	A Bus from Andesmar goes from Central Bus Station, San Luis, SL (Argentina) at 10/14/2026 5:30:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/15/2026 6:50:00 AM. 50 Premium Economy ticket for $69 per person are available. Travel duration is 13h 20m
Autotransportes San Juan	13h 0m	10:00 AM	San Luis, SL	Central Bus Station	11:00 PM	Buenos Aires	Retiro Bus Station	Premium Economy	$69	A Bus from Autotransportes San Juan goes from Central Bus Station, San Luis, SL (Argentina) at 10/14/2026 10:00:00 AM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 10/14/2026 11:00:00 PM. 50 Premium Economy ticket for $69 per person are available. Travel duration is 13h 0m

Did you know that if you travel from San Luis, SL to Buenos Aires via Villa Mercedes, SL, you can save more than $30? You can find the corresponding connections below.
- Del Sur y Media Agua
  
  10h 10m
  
  0
  
  8:40 PM
  
  San Luis, SL
  Central Bus Station
  
  9:55 PM
  
  Villa Mercedes, SL
  Central Bus Station
  
  0
  
  Premium Economy
  
  $7
  
  A Bus from Del Sur y Media Agua goes from Central Bus Station, San Luis, SL (Argentina) at 10/9/2026 8:40:00 PM to Central Bus Station, Villa Mercedes, SL (Argentina) arriving at 10/9/2026 9:55:00 PM. 50 Premium Economy ticket for $7 per person are available. Travel duration is 1h 15m
- Central Argentino
  
  8h 20m
  
  0
  
  10:30 PM
  
  Villa Mercedes, SL
  Central Bus Station
  
  6:50 AM
  
  Buenos Aires
  Villa Tesei
  
  0
  
  Premium Economy
  
  $26
  
  A Bus from Central Argentino goes from Central Bus Station, Villa Mercedes, SL (Argentina) at 10/9/2026 10:30:00 PM to Villa Tesei, Buenos Aires (Argentina) arriving at 10/10/2026 6:50:00 AM. 50 Premium Economy ticket for $26 per person are available. Travel duration is 8h 20m
Travel Time is 1h 40m shorter, and you will save $30

Best Price Offer: The price for the cheapest bus from San Luis, SL to Buenos Aires is $63 on 10/4/2026. Flexible travelers save on ticket prices.

Frequency of bus connections between San Luis, SL and Buenos Aires

See here how frequent the connections between San Luis, SL and Buenos Aires are, during different times and days of the week.

Saturday is the busiest day, with more than 174 daily buses from San Luis, SL to Buenos Aires. Monday has instead the fewest connections, with only 139 daily coaches between San Luis, SL and Buenos Aires.

The busiest time of the day is the Evening, with 925 buses from San Luis, SL to Buenos Aires, while Morning sees the fewest connections between San Luis, SL and Buenos Aires, with 14 offers.

Facts about the bus from San Luis, SL to Buenos Aires

Compare all providers like CATA Internacional, Andesmar and 20 de Junio that travel 159 times every day by bus from San Luis, SL to Buenos Aires in one click! Book your bus ticket from San Luis, SL to Buenos Aires starting from $63!

Cheapest Bus	$63
Fastest Bus	9h 25m
Earliest Bus	5:15 PM
Latest Bus	11:30 PM
Daily Bus Routes	159 Ø
Distance	463.5 miles
Bus Companies	CATA Internacional, Andesmar, 20 de Junio, Autotransportes San Juan, Central Argentino, PLATABUS, Chevallier, La Unión SRL and Viajes Sendas

Cheapest bus connections from San Luis, SL to Buenos Aires

Every day, 159 buses from 9 bus companies leave San Luis, SL for Buenos Aires: in the table below, you will find the cheapest prices for a bus ticket for this route, starting from 10/08/2026 and for the following days.

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday 10/04

Monday 10/05

Tuesday 10/06

Wednesday 10/07

Thursday 10/08

$63

Friday 10/09

$63

Saturday 10/10

$63

Sunday 10/11

$63

Monday 10/12

$63

Tuesday 10/13

$63

Wednesday 10/14

$68

Thursday 10/15

$63

Friday 10/16

$63

Saturday 10/17

$63

Sunday 10/18

$63

Monday 10/19

$68

Tuesday 10/20

$63

Wednesday 10/21

$68

Thursday 10/22

$63

Friday 10/23

$63

Saturday 10/24

$63

Sunday 10/25

$63

Monday 10/26

$63

Tuesday 10/27

$63

Wednesday 10/28

$63

Thursday 10/29

$63

Friday 10/30

$63

Saturday 10/31

The cheapest time to travel from San Luis, SL to Buenos Aires

See here on which day and which time of the day you can find the cheapest bus ticket from San Luis, SL to Buenos Aires, for the next 30 days.

With a price starting from $63, Sunday is the cheapest day for a bus from San Luis, SL to Buenos Aires. Sunday instead is the most expensive day with prices starting from $63.

Evening is the cheapest day time for bus tickets from San Luis, SL to Buenos Aires, with $63. Morning is the most expensive time of the day with prices starting from $69.

How to save money travelling from San Luis, SL to Buenos Aires

Travel can be expensive, but it doesn't need to be! Do you want to avoid paying a terrible price for your trip? Then follow these quick steps to save money:

Book the ticket from San Luis, SL to Buenos Aires in advance! The earlier you book, the cheaper usually the price is. Also, you will be sure to have a place on the bus from San Luis, SL to Buenos Aires, compared instead if you buy it at the last moment, or directly at the station.

If you can, avoid travelling at peak times. Instead of weekend, try travelling during the week. Travelling in the evening or at night it’s also cheaper, and later buses from San Luis, SL to Buenos Aires are also emptier.

All bus stations and stops in San Luis, SL and Buenos Aires

In the map below, you can see where to find all bus stations in San Luis, SL and Buenos Aires.

Plaza Pringles

Paraje Hualtarán

Los Araditos

Daniel Donovan

Paraje La Chañarienta

Avenida Del Libertador Y Perú Bus Station

Avenida del Libertador 14995

Liniers Bus Station

Avenida General Paz , Liniers 10868/76

Retiro Bus Station

Av. Antártida Argentina y Calle 10 - Capital Federal. 10

Terminal de Ómnibus Dellepiane

Teniente General Luís Dellepiane Av. Perito Moreno 3950, Villa Soldati, Ciudad de Buenos Aires

Villa Tesei

Reyes Catolicos 246

Compare the bus with other modes of transport

The bus is often the cheapest mode of transport, while other modes like train or flight are faster. Looking for quicker alternatives to travel from San Luis, SL to Buenos Aires? Compare all modes of transports from San Luis, SL to Buenos Aires.

Service and Comfort on the bus from San Luis, SL to Buenos Aires

Want to know which seat classes are available on the buses from San Luis, SL to Buenos Aires? Or which bus companies serve the route San Luis, SL to Buenos Aires? Below you will find answers to your questions.

FAQs about the San Luis, SL to Buenos Aires bus

How much does a San Luis, SL Buenos Aires bus trip cost?

This depends on, among other things, the day and time of travel. The cheapest trip is available from $63 and takes 11h 55m to reach Buenos Aires. Compare offers to save money!

How much could I save by comparing buses from San Luis, SL to Buenos Aires?

This route is offered by 9 companies with a range of ticket prices between $63 and $100. Thus, we recommend booking your ticket as early as possible to make sure you get the cheapest bus ticket to Buenos Aires.

On average, how many connections are available from San Luis, SL to Buenos Aires each day?

Every day, the San Luis, SL to Buenos Aires bus route is served by approximately 159 connections. With our search, you can compare bus times to find the perfect trip.

How long does a bus journey from San Luis, SL to Buenos Aires take?

The fastest bus from San Luis, SL to Buenos Aires is offered by CATA Internacional and takes 9h 25m. Bus tickets for this connection cost $79. In this context, bear in mind that the journey can take longer due to traffic.

What time is the first bus from San Luis, SL to Buenos Aires?

The earliest bus arriving in Buenos Aires from San Luis, SL starts at 5:15 PM. However, information regarding departure times may differ on weekends and holidays. Simply use our search to find exact times for your planned travel date.

What time is the last bus from San Luis, SL to Buenos Aires?

The latest bus trip departing from San Luis, SL for Buenos Aires starts at 11:30 PM. Please note that departure times may differ on weekends and holidays. So just use our search to find the exact times for your planned travel date.

Which bus companies operate the San Luis, SL Buenos Aires route?

When traveling by bus from San Luis, SL to Buenos Aires, passengers can travel with CATA Internacional, Andesmar and 20 de Junio. With our search, you can compare all available bus tickets to book the one that works for you.

Is there a direct bus between San Luis, SL and Buenos Aires?

You can check all the direct connections between San Luis, SL and Buenos Aires by using our search and looking at the Changes section in our filters. These are some of the companies which offer a direct bus: CATA Internacional, Andesmar and 20 de Junio.

What can I take with me on the San Luis, SL to Buenos Aires bus route?

Depending on which provider you travel with, what you're allowed to bring with you can vary. Generally, you can take a suitcase and hand luggage with you on the San Luis, SL Buenos Aires bus route free of charge. Simply use our search to find a bus that is best suited to your needs for your planned travel date.

What equipment is available for the San Luis, SL Buenos Aires bus route?

The equipment on board differs depending on the provider. However, many long-distance buses have WiFi so you can tell your friends your exact location during the journey. To make traveling even more pleasant, air conditioning systems provide ventilation. It is best to use our search to get precise information about the equipment of the bus from San Luis, SL to Buenos Aires on your planned travel date.

How does CheckMyBus find the best bus deals from San Luis, SL to Buenos Aires?

CheckMyBus collaborates directly with companies around the world to provide you with the best options when searching for a trip. We retrieve their first-hand data to show you real-time prices, schedules, and seat availability for 159 daily trips between San Luis, SL and Buenos Aires. With the most up-to-date information from verified sources, you can fairly compare all available options and choose the trip that suits you best.

How does CheckMyBus technology work for trips from San Luis, SL to Buenos Aires?

Prices and availability for 159 trips between San Luis, SL and Buenos Aires change constantly. To provide you with the most up-to-date information, we connect directly with bus operators, Online Travel Agencies (OTAs), and Global Distribution Systems (GDS) via real-time interfaces (APIs). The data collected from these sources undergoes strict quality checks, is processed within our infrastructure, and is then presented to you on our search results pages. Visit our About Us page to learn more.

Available seat classes which are offered on the bus route San Luis, SL to Buenos Aires

Premium Economy

A mix between Economy and Business, it offers extra legroom, WI-FI and possible snacks.

First Class

Best of the best: you will find the most comfortable accommodation to work or relax during your travel.

More bus routes to San Luis, SL and to Buenos Aires

Here’s an overview of the most popular bus routes to San Luis, SL and to Buenos Aires. Simply click on the connection of your choice, and you will find all the details about your bus route!