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

Saturday, December 5th, 2026

4 round-trip options

Returning
Fri, Dec 11, 20266 Day Trip
$776 USD
Returning
Sun, Dec 13, 20268 Day Trip
$776 USD
Returning
Mon, Dec 14, 20269 Day Trip
$776 USD
Returning
Tue, Dec 15, 202610 Day Trip
$776 USD