Cheapest return flights from Boston to Frankfurt in September from 536€

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

Return flights

02 Sep - 09 Sep Condor direct
07 Sep - 21 Sep Condor direct
10 Sep - 24 Sep Condor direct
27 Sep - 10 Oct Aer Lingus
23 Sep - 04 Oct TAP
01 Sep - 08 Sep Icelandair
21 Sep - 28 Sep Icelandair
26 Sep - 03 Oct Lufthansa
11 Sep - 18 Sep Icelandair
01 Sep - 08 Sep Lufthansa direct
06 Sep - 13 Sep Lufthansa direct
11 Sep - 18 Sep Lufthansa direct
16 Sep - 23 Sep Lufthansa direct

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

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