Lisbon (LIS) to Chicago (ORD) flight deal in economy from $603

Wednesday, December 16th, 2026

4 round-trip options

Returning
Tue, Dec 22, 20266 Day Trip
$964 USD
Returning
Thu, Dec 24, 20268 Day Trip
$1,014 USD
Returning
Fri, Dec 25, 20269 Day Trip
$805 USD
Returning
Sat, Dec 26, 202610 Day Trip
$758 USD