Cheapest return flights from Boston to Frankfurt in January from $340

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

Return flights

29 Jan - 31 Jan TAP
29 Jan - 17 Feb TAP
31 Jan - 07 Feb TAP
29 Jan - 14 Feb TAP
27 Jan - 10 Feb TAP
27 Jan - 03 Feb SWISS
29 Jan - 17 Feb Lufthansa direct
29 Jan - 14 Feb Lufthansa direct
31 Jan - 07 Feb Lufthansa direct
29 Jan - 31 Jan Lufthansa direct

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

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