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

Return flights

07 Mar - 15 Mar	Arajet
26 Mar - 14 Apr	Arajet
05 Mar - 15 Mar	Arajet
20 Mar - 07 Apr	Frontier Airlines
26 Mar - 13 Apr	Arajet
16 Mar - 30 Mar	Frontier Airlines
12 Mar - 23 Mar	Avianca
02 Mar - 09 Mar	Spirit Airlines
13 Mar - 22 Mar	Frontier Airlines
21 Mar - 28 Mar	Frontier Airlines
10 Mar - 20 Mar	Frontier Airlines
06 Mar - 16 Mar	Frontier Airlines
18 Mar - 27 Mar	Spirit Airlines
04 Mar - 01 Apr	Spirit Airlines
27 Mar - 14 Apr	Frontier Airlines
26 Mar - 09 Apr	LATAM Airlines Group
29 Mar - 04 Apr	Frontier Airlines
19 Mar - 02 Apr	Spirit Airlines
28 Mar - 05 Apr	Spirit 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 595€

Return flights