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

Wednesday, December 23rd, 2026

4 round-trip options

Returning
Tue, Dec 29, 20266 Day Trip
$919 USD
Returning
Thu, Dec 31, 20268 Day Trip
$926 USD
Returning
Fri, Jan 1, 20279 Day Trip
$770 USD
Returning
Sat, Jan 2, 202710 Day Trip
$918 USD