Cheapest return flights from Frankfurt to Boston in September from $466

Best time to book flights for Frankfurt (FRA) to Boston (BOS) flights at AirHint

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

Return flights

08 Sep - 29 Sep Condor direct
11 Sep - 22 Sep Condor direct
04 Sep - 28 Sep Condor direct
08 Sep - 30 Sep Condor direct
11 Sep - 28 Sep Condor direct
12 Sep - 22 Sep Condor direct
04 Sep - 11 Sep Condor direct
02 Sep - 09 Sep Condor direct
25 Sep - 14 Oct Condor direct
15 Sep - 02 Oct Condor direct
26 Sep - 02 Oct Scandinavian Airlines
19 Sep - 28 Sep Condor
05 Sep - 18 Sep Condor direct
19 Sep - 02 Oct Condor
04 Sep - 04 Oct Iberia
10 Sep - 04 Oct Iberia
24 Sep - 08 Oct Iberia
16 Sep - 04 Oct Iberia
30 Sep - 22 Oct Iberia
03 Sep - 03 Oct British Airways

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

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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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