Cheapest return flights from Frankfurt to Boston in December from $594

AirHint found the following cheapest return flights from Frankfurt (FRA) to Boston (BOS) in December 2025 (see full year).

Return flights

06 Dec - 13 Dec Icelandair
18 Dec - 25 Dec SWISS
24 Dec - 05 Jan SWISS
24 Dec - 04 Jan Lufthansa
26 Dec - 03 Jan TAP
27 Dec - 05 Jan United
22 Dec - 01 Jan TAP
21 Dec - 04 Jan TAP
19 Dec - 02 Jan TAP
18 Dec - 03 Jan Lufthansa

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

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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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