Cheapest return flights from Chicago to Madrid in September from 506€

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

Return flights

01 Sep - 11 Sep Turkish Airlines
03 Sep - 24 Sep Turkish Airlines
30 Sep - 30 Oct Turkish Airlines
23 Sep - 30 Sep TAP
22 Sep - 29 Sep United
22 Sep - 29 Sep Iberia direct
29 Sep - 06 Oct Iberia direct
19 Sep - 30 Sep Air Canada
30 Sep - 30 Oct Finnair direct
09 Sep - 16 Sep TAP
13 Sep - 25 Sep Turkish Airlines
23 Sep - 30 Sep Iberia direct
19 Sep - 26 Sep TAP
20 Sep - 04 Oct Aer Lingus
26 Sep - 05 Oct Air France
20 Sep - 04 Oct Iberia direct
25 Sep - 04 Oct Delta
26 Sep - 05 Oct Finnair direct
17 Sep - 17 Oct Finnair direct
25 Sep - 05 Oct Finnair direct

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

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