Earn point on your loyalty program!arrow arc left

Cheap flights from Las Vegas (LAS) 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 Las Vegas (LAS) to Buenos Aires (AEP)

How to find the cheapest flight from Las Vegas (LAS) 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 Las Vegas (LAS) 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 Las Vegas (LAS) 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 Las Vegas to Buenos Aires in August , September 2026

28 Aug - 26 Sep $ 1,017.00
LAS
Las Vegas
Frontier Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Frontier Airlines
3 STOPS
LAS
Las Vegas
Pick dates
28 Aug - 30 Sep $ 1,022.00
LAS
Las Vegas
Frontier Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Frontier Airlines
3 STOPS
LAS
Las Vegas
Pick dates
28 Aug - 25 Sep $ 1,022.00
LAS
Las Vegas
Frontier Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Frontier Airlines
3 STOPS
LAS
Las Vegas
Pick dates

Last minute flights from Las Vegas to Buenos Aires

28 Aug - 01 Sep $ 1,106.00
LAS
Las Vegas
Frontier Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Frontier Airlines
3 STOPS
LAS
Las Vegas
Pick dates
28 Aug - 01 Sep $ 1,106.00
LAS
Las Vegas
Frontier Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Frontier Airlines
3 STOPS
LAS
Las Vegas
Pick dates
29 Aug - 01 Sep $ 1,193.00
LAS
Las Vegas
Frontier Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Frontier Airlines
3 STOPS
LAS
Las Vegas
Pick dates

One-way flights to Buenos Aires from Las Vegas

8:11 AM - 7:25 AM
LATAM Airlines
2 Stops
22h 19m
LAS - AEP
$ 490
Kiwi
Pick dates
2:55 PM - 9:15 PM
Avianca
2 Stops
34h 45m
LAS - AEP
$ 631
Kiwi
Pick dates
8:16 AM - 1:15 AM
LATAM Airlines
2 Stops
19h 24m
LAS - AEP
$ 962
Kiwi
Pick dates

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