Cheapest return flights from Chicago to Madrid in December from 344€

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

Return flights

05 Dec - 07 Dec TAP
30 Dec - 14 Jan Finnair direct
09 Dec - 16 Dec Iberia direct
07 Dec - 16 Dec British Airways direct
09 Dec - 23 Dec Finnair direct
04 Dec - 11 Dec British Airways direct
09 Dec - 18 Dec Air Canada
05 Dec - 12 Dec Iberia direct
07 Dec - 14 Dec Iberia direct
08 Dec - 15 Dec Iberia direct
29 Dec - 14 Jan Finnair direct
10 Dec - 16 Jan Air Canada
03 Dec - 09 Dec Frontier Airlines
10 Dec - 16 Jan Finnair direct
11 Dec - 11 Jan United
14 Dec - 11 Jan Frontier Airlines
09 Dec - 06 Jan Icelandair
14 Dec - 12 Jan Frontier Airlines
12 Dec - 11 Jan Frontier Airlines
14 Dec - 10 Jan Frontier Airlines

Also check the deals for one-way flights from Chicago to Madrid in December.

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