Cheapest one-way flights from Chicago to Madrid in May from $389

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

One-Way flights

03 May TAP
17 May TAP
08 May TAP
11 May Air Canada
04 May ITA Airways
11 May British Airways direct
04 May British Airways direct
03 May British Airways direct
17 May British Airways direct
08 May British Airways direct

Also check the deals for return 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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