Cheapest one-way flights from Chicago to Madrid in September from 248€

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

One-Way flights

21 Sep Aer Lingus
30 Sep Aer Lingus
20 Sep Aer Lingus
22 Sep Aer Lingus
20 Sep Iberia direct
21 Sep Iberia direct
30 Sep British Airways direct
22 Sep British Airways direct
15 Sep Icelandair
17 Sep Iberia direct

Also check the deals for return flights from Chicago to Madrid in September.

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