AirHint found the following cheapest return flights from Chicago (ORD) to Zurich (ZRH) in May 2026 (see full year).

Return flights

06 May - 13 May	TAP
03 May - 09 May	TAP
01 May - 15 May	Turkish Airlines
13 May - 27 May	TAP
10 May - 24 May	Turkish Airlines
02 May - 09 May	Turkish Airlines
06 May - 13 May	SWISS	direct
21 May - 24 May	Scandinavian Airlines
01 May - 15 May	SWISS	direct
02 May - 09 May	SWISS	direct
18 May - 20 Jun	Icelandair
26 May - 01 Jun	Icelandair
25 May - 08 Jun	Aer Lingus
18 May - 20 Jun	United	direct
25 May - 01 Jun	Icelandair
25 May - 08 Jun	SWISS	direct
26 May - 01 Jun	SWISS	direct

Also check the deals for one-way flights from Chicago to Zurich in May.

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 Chicago to Zurich in May from 486€

Return flights