Cheapest return flights from Boston to Frankfurt in August from $488

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

Return flights

10 Aug - 20 Aug Icelandair
21 Aug - 25 Aug Icelandair
31 Aug - 03 Sep Air Canada
17 Aug - 31 Aug Icelandair
30 Aug - 03 Sep Icelandair
16 Aug - 30 Aug Icelandair
03 Aug - 12 Aug Condor direct
31 Aug - 03 Sep Condor direct
30 Aug - 06 Sep Icelandair
14 Aug - 28 Aug Iberia
14 Aug - 28 Aug Condor direct
13 Aug - 20 Aug Icelandair
08 Aug - 24 Aug Condor direct
27 Aug - 03 Sep Icelandair
13 Aug - 20 Aug Lufthansa direct
30 Aug - 03 Sep Condor direct
27 Aug - 03 Sep Lufthansa direct
30 Aug - 06 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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