Cheapest return flights from Boston to Frankfurt in May from $413

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

Return flights

07 May - 10 May TAP
04 May - 11 May Icelandair
05 May - 12 May Icelandair
07 May - 14 May Icelandair
03 May - 10 May Icelandair
27 May - 10 Jun jetBlue
30 May - 13 Jun TAP
08 May - 15 May Icelandair
12 May - 19 May Icelandair
13 May - 20 May Icelandair
09 May - 16 May Icelandair
10 May - 17 May Icelandair
26 May - 02 Jun jetBlue
28 May - 04 Jun jetBlue
29 May - 05 Jun jetBlue
25 May - 01 Jun Icelandair
31 May - 07 Jun Lufthansa

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

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