Cheapest return STR–BOS flights, May

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

Return flights

11 May - 25 May Delta
27 May - 03 Jun KLM
29 May - 01 Jun KLM
28 May - 04 Jun Scandinavian Airlines
11 May - 18 May Lufthansa
13 May - 17 May Lufthansa
27 May - 18 Jun Vueling Airlines
10 May - 19 May KLM
03 May - 10 May KLM
04 May - 10 May Delta

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

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