Cheapest return flights from Boston to Frankfurt in May from $530

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

Return flights

05 May - 12 May Icelandair
10 May - 17 May Icelandair
28 May - 11 Jun Condor direct
24 May - 07 Jun Condor direct
25 May - 08 Jun Condor direct
15 May - 22 May Icelandair
15 May - 22 May Lufthansa direct
20 May - 27 May Lufthansa direct
05 May - 12 May Lufthansa direct
25 May - 01 Jun Lufthansa direct
10 May - 17 May Lufthansa direct

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

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