Cheapest return flights from Boston to Frankfurt in May from 503€

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

Return flights

11 May - 18 May Condor direct
11 May - 25 May Condor direct
07 May - 21 May Condor
10 May - 26 May TAP
10 May - 28 May TAP
15 May - 22 May Condor direct
15 May - 24 May Condor direct
03 May - 09 May TAP
17 May - 21 May Condor
09 May - 15 May TAP
25 May - 01 Jun Icelandair
25 May - 07 Jun Condor direct
26 May - 07 Jun Condor direct
24 May - 05 Jun Aer Lingus
29 May - 05 Jun jetBlue
26 May - 02 Jun jetBlue

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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