Cheapest return flights from Chicago to Madrid in September from 408€

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

Return flights

23 Sep - 30 Sep British Airways direct
06 Sep - 02 Oct TAP
06 Sep - 02 Oct Finnair direct
13 Sep - 09 Oct Finnair direct
15 Sep - 09 Oct Finnair direct
16 Sep - 07 Oct Finnair direct
09 Sep - 09 Oct Finnair direct
09 Sep - 07 Oct Finnair direct
13 Sep - 10 Oct Finnair direct
13 Sep - 11 Oct Finnair
05 Sep - 12 Sep Iberia direct
01 Sep - 03 Sep Scandinavian Airlines
01 Sep - 03 Sep Iberia direct

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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