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

Sunday, December 6th, 2026

4 round-trip options

Returning
Sat, Dec 12, 20266 Day Trip
$776 USD
Returning
Mon, Dec 14, 20268 Day Trip
$805 USD
Returning
Tue, Dec 15, 20269 Day Trip
$805 USD
Returning
Wed, Dec 16, 202610 Day Trip
$845 USD