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

Monday, November 30th, 2026

4 round-trip options

Returning
Sun, Dec 6, 20266 Day Trip
$901 USD
Returning
Tue, Dec 8, 20268 Day Trip
$798 USD
Returning
Wed, Dec 9, 20269 Day Trip
$798 USD
Returning
Thu, Dec 10, 202610 Day Trip
$798 USD