Cheapest return flights from Chicago to Madrid in May from $954

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

Return flights

01 May - 05 May Porter Airlines (Canada) Ltd
20 May - 01 Jun Porter Airlines (Canada) Ltd
23 May - 30 May Delta
22 May - 30 May Delta
22 May - 01 Jun Delta
01 May - 09 May Delta
21 May - 13 Jun Virgin Atlantic
15 May - 23 May Virgin Atlantic
16 May - 06 Jun Air France
20 May - 27 May Virgin Atlantic

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

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