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

Return flights

24 Mar - 26 Mar	Arajet
12 Mar - 19 Mar	Arajet
05 Mar - 11 Mar	Arajet
27 Mar - 06 Apr	Frontier Airlines
10 Mar - 29 Mar	Arajet
03 Mar - 21 Mar	Spirit Airlines
02 Mar - 17 Mar	LATAM Airlines Group
19 Mar - 26 Mar	LATAM Airlines Group
05 Mar - 12 Mar	LATAM Airlines Group
17 Mar - 26 Mar	LATAM Airlines Group
04 Mar - 09 Mar	LATAM Airlines Group
19 Mar - 07 Apr	Frontier Airlines
10 Mar - 07 Apr	Frontier Airlines
30 Mar - 12 Apr	Frontier Airlines
16 Mar - 01 Apr	Spirit Airlines
26 Mar - 12 Apr	Arajet
29 Mar - 04 Apr	Frontier Airlines

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 513€

Return flights