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

Return flights

03 Mar - 10 Mar	Spirit Airlines
05 Mar - 10 Mar	Avianca
05 Mar - 16 Mar	Avianca
09 Mar - 15 Mar	Avianca
05 Mar - 12 Mar	Avianca
20 Mar - 25 Mar	Avianca
12 Mar - 22 Mar	Avianca
02 Mar - 22 Mar	Spirit Airlines
06 Mar - 15 Mar	Avianca
04 Mar - 31 Mar	LATAM Airlines Group
28 Mar - 04 Apr	LATAM Airlines Group
26 Mar - 10 Apr	LATAM Airlines Group
28 Mar - 10 Apr	LATAM Airlines Group

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

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 March from $697

Return flights