Cheapest return flights from New York to Buenos Aires in September from $738

AirHint found the following cheapest return flights from New York (LGA) to Buenos Aires (EZE) in September 2025 (see full year).

Return flights

12 Sep - 22 Sep Spirit Airlines
08 Sep - 19 Sep Spirit Airlines
28 Sep - 07 Oct Spirit Airlines
15 Sep - 18 Sep Spirit Airlines
03 Sep - 08 Sep Spirit Airlines
17 Sep - 24 Sep Frontier Airlines
15 Sep - 25 Sep Air Canada
16 Sep - 24 Sep Air Canada
07 Sep - 09 Sep Spirit Airlines
22 Sep - 06 Oct Air Canada
01 Sep - 17 Sep Spirit Airlines
01 Sep - 15 Sep Spirit Airlines

Also check the deals for one-way flights from New York to Buenos Aires in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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