Cheapest return flights from Chicago to Madrid in May from 507€

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

Return flights

03 May - 13 May TAP
04 May - 12 May Scandinavian Airlines
04 May - 13 May Spirit Airlines
10 May - 29 May Lufthansa
06 May - 15 May SWISS
01 May - 09 May Icelandair
06 May - 12 May SWISS
06 May - 19 May SWISS
10 May - 20 May Icelandair
07 May - 17 May Icelandair
10 May - 06 Jun Lufthansa
13 May - 02 Jun Air Canada
19 May - 02 Jun Lufthansa
24 May - 04 Jun WestJet
19 May - 08 Jun Lufthansa
08 May - 28 Jun Icelandair
08 May - 27 Jun Icelandair
26 May - 05 Jun Icelandair
06 May - 22 Jun SWISS
30 May - 07 Jun Spirit Airlines

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

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