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

Tuesday, September 22nd, 2026

4 round-trip options

Returning
Sun, Sep 27, 20265 Day Trip
$526 USD
Returning
Thu, Oct 1, 20269 Day Trip
$519 USD
Returning
Fri, Oct 2, 202610 Day Trip
$526 USD
Returning
Sat, Oct 3, 202611 Day Trip
$526 USD