Earn point on your loyalty program!arrow arc left

Cheap flights from Billings (BIL) 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 Billings (BIL) to Buenos Aires (AEP)

How to find the cheapest flight from Billings (BIL) 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 Billings (BIL) 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 Billings (BIL) 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 Billings to Buenos Aires in August , September 2026

29 Aug - 29 Sep $ 1,487.00
BIL
Billings
Alaska Airlines
3 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Alaska Airlines
3 STOPS
BIL
Billings
Pick dates
29 Aug - 29 Sep $ 1,540.00
BIL
Billings
Alaska Airlines
3 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Alaska Airlines
3 STOPS
BIL
Billings
Pick dates
29 Aug - 01 Oct $ 1,564.00
BIL
Billings
Alaska Airlines
3 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Alaska Airlines
3 STOPS
BIL
Billings
Pick dates

Last minute flights from Billings to Buenos Aires

29 Aug - 01 Sep $ 1,972.00
BIL
Billings
Alaska Airlines
3 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Alaska Airlines
3 STOPS
BIL
Billings
Pick dates
29 Aug - 01 Sep $ 2,042.00
BIL
Billings
Alaska Airlines
3 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Alaska Airlines
3 STOPS
BIL
Billings
Pick dates
27 Aug - 01 Sep $ 2,111.00
BIL
Billings
Alaska Airlines
3 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Alaska Airlines
3 STOPS
BIL
Billings
Pick dates

One-way flights to Buenos Aires from Billings

9:57 PM - 8:09 AM
JetSMART
3 Stops
34h 23m
BIL - AEP
$ 694
Kiwi
Pick dates
6:14 AM - 6:20 AM
LATAM Airlines
3 Stops
24h 11m
BIL - AEP
$ 716
Kiwi
Pick dates
6:14 AM - 6:25 AM
LATAM Airlines
3 Stops
24h 16m
BIL - AEP
$ 785
Kiwi
Pick dates

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