Cheapest return flights from Boston to Frankfurt in August from $522

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

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

Return flights

21 Aug - 08 Sep Condor direct
23 Aug - 06 Sep Condor direct
26 Aug - 09 Sep Condor direct
22 Aug - 08 Sep Condor direct
15 Aug - 12 Sep Condor direct
02 Aug - 30 Aug Condor direct
07 Aug - 10 Aug Condor direct
26 Aug - 17 Sep TAP
08 Aug - 11 Aug Condor direct
08 Aug - 10 Aug Condor direct
18 Aug - 25 Aug Icelandair
13 Aug - 20 Aug Lufthansa direct
18 Aug - 25 Aug Lufthansa direct
28 Aug - 04 Sep Icelandair
23 Aug - 30 Aug Icelandair
08 Aug - 15 Aug Lufthansa direct
23 Aug - 30 Aug Lufthansa direct
28 Aug - 04 Sep Lufthansa direct

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

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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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