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

Return flights

05 Oct - 19 Oct	Condor
28 Oct - 22 Nov	Aer Lingus
12 Oct - 01 Nov	Aer Lingus
27 Oct - 30 Oct	Aer Lingus
15 Oct - 29 Oct	Aer Lingus
08 Oct - 01 Nov	Aer Lingus
24 Oct - 07 Nov	TAP
25 Oct - 08 Nov	TAP
25 Oct - 15 Nov	Icelandair
24 Oct - 15 Nov	Icelandair
11 Oct - 19 Oct	Aer Lingus
10 Oct - 01 Nov	Aer Lingus
19 Oct - 26 Oct	Icelandair
21 Oct - 28 Oct	Icelandair
23 Oct - 30 Oct	Icelandair
07 Oct - 14 Oct	Icelandair
13 Oct - 20 Oct	Icelandair
15 Oct - 22 Oct	Icelandair
12 Oct - 01 Nov	SWISS	direct
24 Oct - 07 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 358€

Return flights