Cheapest return ORD–MAD flights, October

AirHint found the following cheapest return flights from Chicago (ORD) to Madrid (MAD) in October 2026 (see full year).

Return flights

08 Oct - 15 Oct Turkish Airlines
14 Oct - 21 Oct Turkish Airlines
06 Oct - 22 Oct Turkish Airlines
07 Oct - 25 Nov Turkish Airlines
08 Oct - 14 Oct Turkish Airlines
09 Oct - 16 Oct Turkish Airlines
12 Oct - 19 Oct Turkish Airlines
11 Oct - 18 Oct Turkish Airlines
20 Oct - 30 Oct British Airways
14 Oct - 21 Oct Iberia direct
06 Oct - 22 Oct Finnair direct
07 Oct - 25 Nov Finnair direct

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

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