Cheapest return flights from Boston to Zurich in September from $378

Best time to book flights for Boston (BOS) to Zurich (ZRH) flights at AirHint

AirHint found the following cheapest return flights from Boston (BOS) to Zurich (ZRH) in September 2025 (see full year).

Return flights

22 Sep - 29 Sep Scandinavian Airlines
16 Sep - 23 Sep Scandinavian Airlines
23 Sep - 30 Sep Scandinavian Airlines
16 Sep - 30 Sep Scandinavian Airlines
23 Sep - 29 Sep Scandinavian Airlines
22 Sep - 06 Oct Scandinavian Airlines
22 Sep - 01 Oct Scandinavian Airlines
23 Sep - 07 Oct Scandinavian Airlines
23 Sep - 09 Oct Scandinavian Airlines
30 Sep - 14 Oct Scandinavian Airlines
23 Sep - 08 Oct Scandinavian Airlines
22 Sep - 15 Oct Scandinavian Airlines
22 Sep - 07 Oct Scandinavian Airlines
30 Sep - 21 Oct Scandinavian Airlines
16 Sep - 07 Oct Scandinavian Airlines
21 Sep - 27 Sep Scandinavian Airlines
16 Sep - 25 Sep Scandinavian Airlines
16 Sep - 26 Sep Scandinavian Airlines
05 Sep - 13 Sep Scandinavian Airlines
15 Sep - 24 Sep Scandinavian Airlines

Also check the deals for one-way flights from Boston to Zurich in September.

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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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