Cheapest one-way flights from Chicago to Madrid in May from 315€

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

One-Way flights

12 May Icelandair
24 May TAP
19 May jetBlue
18 May Scandinavian Airlines
19 May Iberia direct
04 May Iberia direct
18 May British Airways direct
12 May British Airways direct
01 May Iberia direct
24 May Iberia direct

Also check the deals for return flights from Chicago to Madrid in May.

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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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