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

Return flights

23 Oct - 06 Nov	TAP
26 Oct - 09 Nov	TAP
11 Oct - 19 Oct	Scandinavian Airlines
10 Oct - 19 Oct	Scandinavian Airlines
07 Oct - 14 Oct	Aer Lingus
02 Oct - 06 Oct	Scandinavian Airlines
29 Oct - 05 Nov	United	direct
16 Oct - 20 Oct	Scandinavian Airlines
08 Oct - 12 Oct	Aer Lingus
17 Oct - 24 Oct	Icelandair
23 Oct - 30 Oct	Icelandair
07 Oct - 14 Oct	SWISS	direct
11 Oct - 18 Oct	Icelandair
23 Oct - 06 Nov	SWISS	direct
26 Oct - 09 Nov	SWISS	direct

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

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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Cheapest return flights from Boston to Zurich in October from 423€

Return flights