Chicago (ORD) to Lisbon (LIS) flight deal in economy from $764
$1,022 USD
-25%$764 USD
Verified about 22 hours agoSeptember 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Fair Availability
33% of dates checked are available within 10% of the lowest price
Friday, September 4th, 2026
9 round-trip options
Returning
Wed, Sep 9, 2026•5 Day Trip
$1,004 USD
Returning
Thu, Sep 10, 2026•6 Day Trip
$1,004 USD
Returning
Fri, Sep 11, 2026•7 Day Trip
$1,004 USD
Returning
Sat, Sep 12, 2026•8 Day Trip
$1,092 USD
Returning
Sun, Sep 13, 2026•9 Day Trip
$1,212 USD
Returning
Mon, Sep 14, 2026•10 Day Trip
$1,212 USD
Returning
Tue, Sep 15, 2026•11 Day Trip
$1,135 USD
Returning
Thu, Sep 17, 2026•13 Day Trip
$1,123 USD
Returning
Fri, Sep 18, 2026•14 Day Trip
$1,135 USD