Cheapest return flights from Chicago to Madrid in December from $536

Best time to book flights for Chicago (ORD) to Madrid (MAD) flights at AirHint

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

Return flights

30 Dec - 10 Jan American Airlines
30 Dec - 06 Jan Air Canada
06 Dec - 13 Dec United
16 Dec - 23 Dec Iberia
18 Dec - 07 Jan Lufthansa
31 Dec - 04 Jan TAP
26 Dec - 02 Jan TAP
18 Dec - 03 Jan Air Canada
20 Dec - 03 Jan Lufthansa
20 Dec - 04 Jan Air Canada
18 Dec - 07 Jan Finnair direct
18 Dec - 03 Jan Iberia direct

Also check the deals for one-way 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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