Earn point on your loyalty program!arrow arc left

Cheap flights from San Francisco (SFO) 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 Francisco (SFO) to Buenos Aires (AEP)

How to find the cheapest flight from San Francisco (SFO) 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 Francisco (SFO) 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 Francisco (SFO) 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 Francisco to Buenos Aires in April , May 2026

27 Apr - 09 May $ 958.00
SFO
San Francisco
Avianca
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Avianca
3 STOPS
SFO
San Francisco
Pick dates
14 Apr - 05 May $ 1,056.00
SFO
San Francisco
Avianca
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Avianca
2 STOPS
SFO
San Francisco
Pick dates
14 Apr - 07 May $ 1,058.00
SFO
San Francisco
Avianca
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Avianca
2 STOPS
SFO
San Francisco
Pick dates

Last minute flights from San Francisco to Buenos Aires

27 Apr - 01 May $ 1,071.00
SFO
San Francisco
Avianca
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Avianca
3 STOPS
SFO
San Francisco
Pick dates
14 Apr - 01 May $ 1,244.00
SFO
San Francisco
Avianca
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Avianca
2 STOPS
SFO
San Francisco
Pick dates
14 Apr - 30 Apr $ 1,244.00
SFO
San Francisco
Avianca
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Avianca
2 STOPS
SFO
San Francisco
Pick dates

One-way flights to Buenos Aires from San Francisco

8:00 AM - 1:15 AM
LATAM Airlines
2 Stops
19h 40m
SFO - AEP
$ 499
Kiwi
Pick dates
2:15 PM - 9:15 PM
Avianca
2 Stops
35h 25m
SFO - AEP
$ 533
Kiwi
Pick dates
6:20 PM - 12:00 PM
LATAM Airlines
2 Stops
20h 10m
SFO - AEP
$ 997
Kiwi
Pick dates

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