Cheapest return flights from Chicago to Madrid in October from $433

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

Return flights

28 Oct - 12 Nov Iberia
30 Oct - 06 Nov Finnair direct
29 Oct - 22 Nov Finnair direct
28 Oct - 22 Nov Finnair direct
31 Oct - 11 Nov Aer Lingus
29 Oct - 08 Nov Lufthansa
30 Oct - 08 Nov Lufthansa
30 Oct - 04 Nov Virgin Atlantic
29 Oct - 02 Nov Turkish Airlines
31 Oct - 02 Nov Turkish Airlines
28 Oct - 31 Oct TAP
28 Oct - 31 Oct Alaska Airlines direct

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

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