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

Return flights

14 Jan - 24 Jan	Ryanair
15 Jan - 23 Jan	Condor
15 Jan - 22 Jan	Condor
15 Jan - 16 Jan	Condor
30 Jan - 31 Jan	TAP
30 Jan - 01 Feb	TAP
10 Jan - 16 Jan	Condor
10 Jan - 15 Jan	Condor
14 Jan - 18 Jan	TAP
14 Jan - 21 Jan	Ryanair
26 Jan - 30 Jan	Ryanair
26 Jan - 09 Feb	Condor
26 Jan - 05 Feb	Condor
22 Jan - 04 Feb	Ryanair

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

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Frankfurt to Boston in January from 322€

Return flights