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

25 May - 01 Jun Icelandair
21 May - 26 May Frontier Airlines
26 May - 04 Jun Icelandair
30 May - 06 Jun Icelandair
13 May - 25 May SWISS
28 May - 08 Jun Frontier Airlines
19 May - 26 May Finnair
24 May - 31 May Icelandair
20 May - 01 Jun WestJet
31 May - 26 Jun WestJet
20 May - 04 Jun WestJet
20 May - 24 May WestJet
15 May - 23 May jetBlue
17 May - 25 May SWISS
21 May - 25 May Scandinavian Airlines
14 May - 19 May Lufthansa
15 May - 24 May Scandinavian Airlines
28 May - 01 Jun Scandinavian Airlines
29 May - 07 Jun Scandinavian Airlines
20 May - 02 Jun Scandinavian Airlines

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

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