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

Sunday, December 13th, 2026

4 round-trip options

Returning
Sat, Dec 19, 20266 Day Trip
$1,083 USD
Returning
Mon, Dec 21, 20268 Day Trip
$928 USD
Returning
Tue, Dec 22, 20269 Day Trip
$855 USD
Returning
Wed, Dec 23, 202610 Day Trip
$769 USD