Cheapest one-way flights from Chicago to Madrid in May from 350€

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

One-Way flights

08 May TAP
02 May TAP
01 May TAP
21 May Scandinavian Airlines
11 May Scandinavian Airlines
11 May Iberia direct
18 May Iberia direct
02 May British Airways direct
08 May Finnair direct
14 May Iberia 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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