Earn point on your loyalty program!arrow arc left

Cheap flights from San Jose (SJC) to Buenos Aires (AEP)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from San Jose (SJC) to Buenos Aires (AEP)

How to find the cheapest flight from San Jose (SJC) to Buenos Aires (AEP)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from San Jose (SJC) to Buenos Aires (AEP)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from San Jose (SJC) to Buenos Aires (AEP)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from San Jose to Buenos Aires in November , December 2026

26 Nov - 03 Dec $ 1,375.00
SJC
San Jose
Volaris
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Volaris
3 STOPS
SJC
San Jose
Pick dates
26 Nov - 08 Dec $ 1,424.00
SJC
San Jose
Alaska Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Alaska Airlines
3 STOPS
SJC
San Jose
Pick dates
26 Nov - 13 Dec $ 1,435.00
SJC
San Jose
Alaska Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Alaska Airlines
3 STOPS
SJC
San Jose
Pick dates

Last minute flights from San Jose to Buenos Aires

16 Nov - 01 Dec $ 1,552.00
SJC
San Jose
Alaska Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Alaska Airlines
2 STOPS
SJC
San Jose
Pick dates
26 Nov - 01 Dec $ 1,627.00
SJC
San Jose
Alaska Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Alaska Airlines
2 STOPS
SJC
San Jose
Pick dates
27 Nov - 01 Dec $ 1,672.00
SJC
San Jose
Alaska Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Alaska Airlines
2 STOPS
SJC
San Jose
Pick dates

One-way flights to Buenos Aires from San Jose

8:00 PM - 9:35 AM
LATAM Airlines
2 Stops
39h
SJC - AEP
$ 626
Kiwi
Pick dates
4:13 PM - 8:55 PM
Aerolineas Argentinas
2 Stops
32h 17m
SJC - AEP
$ 678
Kiwi
Pick dates
3:10 PM - 9:35 AM
LATAM Airlines
2 Stops
19h 50m
SJC - AEP
$ 753
Kiwi
Pick dates

How to find the cheapest flight from San Jose (SJC) to Buenos Aires (AEP)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from San Jose (SJC) to Buenos Aires (AEP)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from San Jose (SJC) to Buenos Aires (AEP)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.