Cheapest return flights from Frankfurt to Boston in August from $556

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 August 2025 (see full year).

Return flights

07 Aug - 10 Aug KLM
04 Aug - 25 Aug KLM
08 Aug - 17 Aug KLM
07 Aug - 26 Aug KLM
08 Aug - 10 Aug KLM
06 Aug - 12 Aug KLM
07 Aug - 14 Aug KLM
12 Aug - 19 Aug Delta
13 Aug - 27 Aug Delta
04 Aug - 27 Aug KLM
16 Aug - 11 Sep Iberia
23 Aug - 13 Sep Delta
23 Aug - 12 Sep Delta
16 Aug - 11 Sep Condor direct

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

Skyscanner

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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