Cheapest return flights from Frankfurt (FRA) to Boston (BOS), May

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
15 May 29 May KLM
01 May 08 May Austrian Airlines
02 May 09 May Austrian Airlines
03 May 10 May Austrian Airlines
04 May 11 May Austrian Airlines
06 May 13 May Austrian Airlines
05 May 12 May Lufthansa
07 May 14 May Lufthansa
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deals for one-way flights from Frankfurt to Boston in May.

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Updated Jun 11, 2026.

About these fares

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