Cheapest return flights from Boston to Zurich in September from $405

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

Return flights

07 Sep - 18 Sep Icelandair
15 Sep - 29 Sep Icelandair
04 Sep - 11 Sep Icelandair
16 Sep - 23 Sep Icelandair
10 Sep - 17 Sep Icelandair
25 Sep - 02 Oct Icelandair
28 Sep - 05 Oct Icelandair
07 Sep - 14 Sep Icelandair
22 Sep - 29 Sep Icelandair
12 Sep - 22 Sep Icelandair
13 Sep - 20 Sep Icelandair
19 Sep - 26 Sep Icelandair
25 Sep - 02 Oct United direct
28 Sep - 05 Oct United direct

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

Skyscanner

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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