Cheapest return flights from Frankfurt to Boston in August from $515

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

26 Aug - 25 Sep United
30 Aug - 13 Sep Iberia
25 Aug - 17 Sep Iberia
04 Aug - 11 Aug Iberia
07 Aug - 14 Aug Iberia
21 Aug - 02 Sep Iberia
20 Aug - 27 Aug United
18 Aug - 24 Aug United
13 Aug - 27 Aug United
19 Aug - 27 Aug Lufthansa
19 Aug - 28 Aug United
12 Aug - 28 Aug United
05 Aug - 19 Aug SWISS
22 Aug - 29 Aug United
21 Aug - 02 Sep Condor direct
26 Aug - 25 Sep Condor direct
30 Aug - 13 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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