Madrid (MAD) to Chicago (ORD) flight deal in economy from $509

Monday, September 21st, 2026

4 round-trip options

Returning
Sat, Sep 26, 20265 Day Trip
$1,337 USD
Returning
Wed, Sep 30, 20269 Day Trip
$519 USD
Returning
Thu, Oct 1, 202610 Day Trip
$519 USD
Returning
Fri, Oct 2, 202611 Day Trip
$526 USD