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

Saturday, December 12th, 2026

4 round-trip options

Returning
Fri, Dec 18, 20266 Day Trip
$1,140 USD
Returning
Sun, Dec 20, 20268 Day Trip
$1,140 USD
Returning
Mon, Dec 21, 20269 Day Trip
$763 USD
Returning
Tue, Dec 22, 202610 Day Trip
$912 USD