AirHint found the following cheapest return flights from Boston (BOS) to Frankfurt (FRA) in July 2026 (see full year).

Return flights

24 Jul - 09 Aug	Aer Lingus
11 Jul - 25 Jul	Aer Lingus
12 Jul - 19 Jul	Condor	direct
22 Jul - 05 Aug	Condor	direct
08 Jul - 14 Jul	Aer Lingus
16 Jul - 19 Jul	Condor	direct
08 Jul - 14 Jul	Condor	direct
08 Jul - 22 Jul	TAP
11 Jul - 25 Jul	Condor	direct
08 Jul - 18 Jul	TAP
01 Jul - 17 Jul	TAP
08 Jul - 22 Jul	Condor	direct
24 Jul - 09 Aug	Condor	direct
28 Jul - 04 Aug	Lufthansa	direct

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

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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Cheapest return flights from Boston to Frankfurt in July from 558€

Return flights