Cheapest return BOS–FRA flights, May

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

Return flights

11 May - 15 May Condor direct
11 May - 21 May Condor direct
11 May - 18 May Condor direct
25 May - 04 Jun Condor direct
15 May - 21 May Condor direct
24 May - 04 Jun Condor direct
08 May - 15 May Condor
18 May - 29 May Aer Lingus
25 May - 08 Jun Condor direct
18 May - 02 Jun Aer Lingus
18 May - 29 May Condor direct
18 May - 02 Jun Condor direct
11 May - 16 Jun Icelandair
11 May - 16 Jun Condor direct
18 May - 08 Jun Condor direct
15 May - 24 May Condor direct
17 May - 01 Jun Air Canada
21 May - 26 May Condor direct
21 May - 25 May Condor direct

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

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