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

Return flights

02 Oct - 05 Oct	Condor
05 Oct - 19 Oct	Condor
28 Oct - 22 Nov	Aer Lingus
20 Oct - 15 Nov	Aer Lingus
29 Oct - 05 Nov	Aer Lingus
07 Oct - 14 Oct	Condor
15 Oct - 29 Oct	Aer Lingus
17 Oct - 20 Oct	Aer Lingus
17 Oct - 21 Oct	Aer Lingus
17 Oct - 23 Oct	Aer Lingus
17 Oct - 19 Oct	Aer Lingus
17 Oct - 24 Oct	Scandinavian Airlines
24 Oct - 07 Nov	Scandinavian Airlines
08 Oct - 01 Nov	Aer Lingus
24 Oct - 15 Nov	Icelandair
16 Oct - 23 Oct	Aer Lingus
25 Oct - 08 Nov	Icelandair
25 Oct - 15 Nov	Icelandair
10 Oct - 01 Nov	Aer Lingus
29 Oct - 05 Nov	United	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 $403

Return flights