Cheapest return flights from New York to Buenos Aires in March from $660

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

Return flights

05 Mar - 12 Mar Frontier Airlines
05 Mar - 15 Mar Frontier Airlines
05 Mar - 25 Mar Frontier Airlines
16 Mar - 30 Mar Spirit Airlines
23 Mar - 30 Mar Spirit Airlines
11 Mar - 25 Mar Spirit Airlines
13 Mar - 23 Mar Spirit Airlines
16 Mar - 22 Mar Spirit Airlines
14 Mar - 24 Mar Spirit Airlines
22 Mar - 26 Mar Spirit Airlines
25 Mar - 06 Apr Spirit Airlines
16 Mar - 05 Apr Spirit Airlines
17 Mar - 03 Apr Spirit Airlines
24 Mar - 06 Apr Spirit Airlines
16 Mar - 04 Apr Spirit Airlines
27 Mar - 06 Apr Spirit Airlines
17 Mar - 04 Apr Spirit Airlines
30 Mar - 05 Apr Spirit Airlines
29 Mar - 20 Apr Spirit Airlines
29 Mar - 04 Apr Spirit Airlines

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

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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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