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

Return flights

03 May - 13 May	TAP
13 May - 20 May	TAP
04 May - 13 May	Turkish Airlines
01 May - 15 May	Turkish Airlines
04 May - 18 May	Turkish Airlines
15 May - 26 May	Turkish Airlines
01 May - 01 Jun	Turkish Airlines
17 May - 29 May	Icelandair
18 May - 28 May	Aer Lingus
25 May - 12 Jun	Aer Lingus
26 May - 01 Jun	Aer Lingus
30 May - 13 Jun	TAP
13 May - 20 May	SWISS	direct
31 May - 14 Jun	Air Canada
22 May - 01 Jun	TAP
26 May - 02 Jun	Icelandair
11 May - 18 May	Icelandair
31 May - 07 Jun	Icelandair
01 May - 01 Jun	SWISS	direct
25 May - 12 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.

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Cheapest return flights from Chicago to Zurich in May from $471

Return flights