Cheapest return flights from Boston to Buenos Aires in December from 742€

AirHint found the following cheapest return flights from Boston (BOS) to Buenos Aires (EZE) in December 2025 (see full year).

Return flights

30 Dec - 23 Jan LATAM Airlines Group
16 Dec - 23 Dec Spirit Airlines
26 Dec - 16 Jan Arajet
27 Dec - 11 Jan Frontier Airlines
26 Dec - 09 Jan Arajet
25 Dec - 09 Jan Copa
26 Dec - 02 Jan Arajet
20 Dec - 30 Dec Delta
20 Dec - 03 Jan Spirit Airlines
19 Dec - 02 Jan Allegiant Air

Also check the deals for one-way flights from Boston to Buenos Aires in December.

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