Cheapest return flights from Boston to Buenos Aires in January from 717€

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

Return flights

17 Jan - 28 Jan Frontier Airlines
12 Jan - 27 Jan LATAM Airlines Group
02 Jan - 31 Jan LATAM Airlines Group
25 Jan - 01 Feb jetBlue
30 Jan - 14 Feb Spirit Airlines
22 Jan - 26 Jan Spirit Airlines
26 Jan - 02 Feb United
11 Jan - 17 Jan Spirit Airlines
16 Jan - 19 Jan Delta
02 Jan - 09 Jan LATAM Airlines Group

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

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