Cheapest return flights from Boston to Buenos Aires in January from $622

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

Return flights

23 Jan - 08 Feb Arajet
26 Jan - 29 Jan LATAM Airlines Group
25 Jan - 30 Jan Spirit Airlines
27 Jan - 04 Feb Spirit Airlines
28 Jan - 04 Feb Spirit Airlines
22 Jan - 22 Feb Spirit Airlines
27 Jan - 03 Feb Spirit Airlines
24 Jan - 30 Jan Spirit Airlines
31 Jan - 13 Feb Spirit Airlines
27 Jan - 05 Feb Spirit Airlines
29 Jan - 04 Feb Spirit Airlines
27 Jan - 01 Feb Air Canada
26 Jan - 30 Jan Spirit Airlines
27 Jan - 31 Jan Spirit Airlines
27 Jan - 02 Feb LATAM Airlines Group
27 Jan - 30 Jan Air Canada
18 Jan - 23 Jan Spirit Airlines
19 Jan - 26 Jan Spirit Airlines
15 Jan - 19 Jan LATAM Airlines Group

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

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