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

Thursday, December 17th, 2026

4 round-trip options

Returning
Wed, Dec 23, 20266 Day Trip
$849 USD
Returning
Thu, Dec 24, 20267 Day Trip
$855 USD
Returning
Tue, Dec 29, 202612 Day Trip
$789 USD
Returning
Wed, Dec 30, 202613 Day Trip
$849 USD