Cheapest return flights from Chicago to Madrid in October from 364€

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

Return flights

21 Oct - 06 Nov Finnair
21 Oct - 05 Nov Air Canada
27 Oct - 22 Nov British Airways direct
21 Oct - 06 Nov British Airways direct
31 Oct - 14 Nov Aer Lingus
20 Oct - 15 Nov Lufthansa
29 Oct - 16 Nov Aer Lingus
21 Oct - 15 Nov Finnair
22 Oct - 15 Nov Finnair
16 Oct - 22 Oct Air France
19 Oct - 08 Nov Air France
17 Oct - 21 Oct Air France
17 Oct - 22 Oct Air France
20 Oct - 27 Oct British Airways
23 Oct - 30 Oct Delta
19 Oct - 28 Oct SWISS
24 Oct - 29 Oct Delta
16 Oct - 22 Oct Finnair direct
17 Oct - 23 Oct Delta
18 Oct - 21 Oct Aer Lingus

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

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