Cheapest return ORD–AMS flights, May

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

Return flights

08 May - 15 May Aer Lingus
07 May - 15 May Aer Lingus
03 May - 12 May Icelandair
03 May - 10 May Icelandair
11 May - 31 May Frontier Airlines
06 May - 10 May Aer Lingus
19 May - 25 May Scandinavian Airlines
19 May - 22 May Scandinavian Airlines
21 May - 26 May Sun Country Airlines
14 May - 19 May Spirit Airlines
20 May - 01 Jun Spirit Airlines
20 May - 04 Jun Spirit Airlines
31 May - 07 Jun Frontier Airlines
31 May - 26 Jun Frontier Airlines
30 May - 06 Jun Spirit Airlines
28 May - 05 Jun Frontier Airlines
28 May - 02 Jun Aer Lingus
31 May - 07 Jun Delta direct
28 May - 05 Jun United direct
30 May - 06 Jun Delta direct

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

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