Cheapest return flights from Chicago to Madrid in May from $545

Best time to book flights for Chicago (ORD) to Madrid (MAD) flights at AirHint

AirHint found the following cheapest return flights from Chicago (ORD) to Madrid (MAD) in May 2025 (see full year).

Return flights

06 May - 14 May Finnair direct
06 May - 20 May Finnair direct
06 May - 13 May Finnair direct
07 May - 13 May Finnair
07 May - 14 May Finnair
11 May - 20 May Aer Lingus
04 May - 14 May British Airways
11 May - 23 May Aer Lingus
05 May - 12 May British Airways
12 May - 19 May British Airways
20 May - 04 Jun Spirit Airlines
06 May - 17 Jun Finnair direct
14 May - 19 Jun British Airways
10 May - 23 Jun Iberia
01 May - 14 Jun Spirit Airlines
14 May - 14 Jun Spirit Airlines
27 May - 17 Jun Spirit Airlines
28 May - 04 Jun Air Canada
26 May - 06 Jun Air Canada
28 May - 04 Jun Finnair direct

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

Skyscanner

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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