Cheapest one-way flights from Chicago to Madrid in December from 216€

AirHint found the following cheapest one-way flights from Chicago (ORD) to Madrid (MAD) in December 2025 (see full year).

One-Way flights

03 Dec Frontier Airlines
05 Dec Spirit Airlines
04 Dec Spirit Airlines
14 Dec Spirit Airlines
29 Dec Air Canada
16 Dec Spirit Airlines
17 Dec Spirit Airlines
29 Dec Finnair direct
21 Dec Scandinavian Airlines
18 Dec Spirit Airlines

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

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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