Cheapest one-way flights from Chicago to Madrid in December from 218€

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
11 Dec Spirit Airlines
02 Dec Spirit Airlines
12 Dec Spirit Airlines
06 Dec Frontier Airlines
05 Dec TAP
13 Dec Spirit Airlines
15 Dec Frontier Airlines
01 Dec Frontier Airlines
29 Dec Scandinavian Airlines

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

Powered by

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.

Book a cheap hotel in Madrid

Cheap car rent in Madrid

Feel free to contact us with any feedback or request another flight research.