Lisbon (LIS) to Chicago (ORD) flight deal in economy from $604

Sunday, December 6th, 2026

4 round-trip options

Returning
Sat, Dec 12, 20266 Day Trip
$837 USD
Returning
Sun, Dec 13, 20267 Day Trip
$789 USD
Returning
Fri, Dec 18, 202612 Day Trip
$1,692 USD
Returning
Sat, Dec 19, 202613 Day Trip
$1,456 USD