Cheapest return flights from Boston to Buenos Aires in March from $723

AirHint found the following cheapest return flights from Boston (BOS) to Buenos Aires (EZE) in March 2026 (see full year).

Return flights

30 Mar - 10 Apr Spirit Airlines
05 Mar - 09 Mar Avianca
28 Mar - 10 Apr Spirit Airlines
29 Mar - 10 Apr Spirit Airlines
30 Mar - 11 Apr Spirit Airlines
06 Mar - 13 Mar Spirit Airlines
16 Mar - 21 Mar Spirit Airlines
29 Mar - 11 Apr Spirit Airlines
26 Mar - 09 Apr Spirit Airlines
24 Mar - 06 Apr Spirit Airlines
07 Mar - 12 Mar Spirit Airlines
13 Mar - 27 Mar Air Canada
01 Mar - 07 Mar jetBlue

Also check the deals for one-way flights from Boston 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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