AirHint found the following cheapest return flights from New York (NYC) to Buenos Aires (AEP) in May 2026 (see full year).

Return flights

13 May - 20 May	Spirit Airlines
19 May - 27 May	Spirit Airlines
28 May - 03 Jun	Spirit Airlines
13 May - 26 May	Spirit Airlines
01 May - 08 May	Frontier Airlines
03 May - 07 May	Spirit Airlines
21 May - 26 May	Spirit Airlines
14 May - 18 Jun	Spirit Airlines
04 May - 08 May	Avianca
05 May - 09 May	LATAM Airlines Group
22 May - 01 Jun	Avianca
07 May - 11 Jun	LATAM Airlines Group

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

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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Cheapest return flights from New York to Buenos Aires in May from $640

Return flights