Cheapest return flights from Boston to Lisbon in January from $370

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

Return flights

14 Jan - 22 Jan Icelandair
07 Jan - 22 Jan Icelandair
24 Jan - 26 Jan Scandinavian Airlines
24 Jan - 04 Feb Scandinavian Airlines
31 Jan - 09 Feb Scandinavian Airlines
23 Jan - 30 Jan Scandinavian Airlines
24 Jan - 06 Feb Scandinavian Airlines
29 Jan - 08 Feb Scandinavian Airlines
23 Jan - 06 Feb Scandinavian Airlines
22 Jan - 01 Feb Scandinavian Airlines
08 Jan - 17 Jan LEVEL
12 Jan - 21 Jan LEVEL
11 Jan - 23 Jan LEVEL
12 Jan - 14 Jan LEVEL
19 Jan - 28 Jan LEVEL
12 Jan - 28 Jan LEVEL
27 Jan - 09 Feb LEVEL
24 Jan - 07 Feb Aer Lingus
11 Jan - 03 Feb LEVEL
27 Jan - 03 Feb LEVEL

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

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