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

Sunday, August 16th, 2026

4 round-trip options

Returning
Fri, Aug 21, 20265 Day Trip
$1,425 USD
Returning
Tue, Aug 25, 20269 Day Trip
$1,187 USD
Returning
Wed, Aug 26, 202610 Day Trip
$1,187 USD
Returning
Sat, Aug 29, 202613 Day Trip
$1,187 USD