AirHint found the following cheapest return flights from Boston (BOS) to Zurich (ZRH) in January 2026 (see full year).

Return flights

15 Jan - 29 Jan	Aer Lingus
12 Jan - 26 Jan	Aer Lingus
22 Jan - 29 Jan	Aer Lingus
17 Jan - 25 Jan	Icelandair
17 Jan - 24 Jan	Icelandair
12 Jan - 26 Jan	SWISS	direct
15 Jan - 29 Jan	SWISS	direct
22 Jan - 29 Jan	SWISS	direct
03 Jan - 10 Jan	Aer Lingus
17 Jan - 25 Jan	SWISS	direct

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

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.

Book a cheap hotel in Zurich

Cheap car rent in Zurich

Cheapest return flights from Boston to Zurich in January from $416

Return flights