Cheapest return flights from Boston to Frankfurt in May from $325

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 May 2025 (see full year).

Return flights

06 May - 20 May Condor direct
05 May - 20 May Condor direct
06 May - 15 May Condor direct
12 May - 20 May Condor direct
06 May - 23 May Condor direct
06 May - 21 May Condor direct
05 May - 11 May Condor direct
01 May - 06 May Condor direct
05 May - 24 May Condor direct
06 May - 30 May Condor direct
06 May - 02 Jun Condor direct
21 May - 11 Jun Condor direct
27 May - 06 Jun Condor direct
26 May - 09 Jun Condor direct
08 May - 03 Jun Condor direct
20 May - 03 Jun Condor direct
21 May - 04 Jun Condor direct
21 May - 03 Jun Condor direct
28 May - 18 Jun Condor direct
28 May - 04 Jun Condor direct

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

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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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