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

Return flights

01 May - 23 May	Scandinavian Airlines
03 May - 23 May	TAP
07 May - 30 May	Icelandair
23 May - 30 May	TAP
22 May - 05 Jun	TAP
22 May - 31 May	TAP
01 May - 08 May	Icelandair
19 May - 02 Jun	Aer Lingus
27 May - 20 Jun	Air Serbia
26 May - 29 May	Scandinavian Airlines
11 May - 18 May	Icelandair
03 May - 23 May	KLM	direct
21 May - 28 May	Icelandair
19 May - 02 Jun	Delta	direct
22 May - 05 Jun	Delta	direct
27 May - 20 Jun	KLM	direct

Also check the deals for one-way flights from Chicago to Amsterdam 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 Amsterdam in May from 510€

Return flights