Cheapest return FRA–BOS flights, December

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

Return flights

04 Dec - 11 Dec Icelandair
05 Dec - 12 Dec Icelandair
02 Dec - 09 Dec Icelandair
03 Dec - 10 Dec Icelandair
08 Dec - 15 Dec Icelandair
06 Dec - 13 Dec Icelandair
13 Dec - 20 Dec Icelandair
14 Dec - 21 Dec Icelandair
09 Dec - 16 Dec Icelandair
10 Dec - 17 Dec Icelandair
18 Dec - 01 Jan Air France
31 Dec - 07 Jan Lufthansa
24 Dec - 07 Jan KLM
25 Dec - 08 Jan KLM
26 Dec - 09 Jan Air France
28 Dec - 11 Jan Air France
22 Dec - 05 Jan KLM
23 Dec - 06 Jan KLM
30 Dec - 13 Jan KLM
19 Dec - 02 Jan Air France

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

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