Chicago (ORD) to Lisbon (LIS) flight deal in economy from $720
$1,021 USD
-29%$720 USD
Verified 14 days agoSeptember 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Fair Availability
20% of dates checked are available within 10% of the lowest price
Tuesday, September 15th, 2026
5 round-trip options
Returning
Mon, Sep 21, 2026•6 Day Trip
$1,047 USD
Returning
Fri, Sep 25, 2026•10 Day Trip
$961 USD
Returning
Sat, Sep 26, 2026•11 Day Trip
$1,072 USD
Returning
Sun, Sep 27, 2026•12 Day Trip
$1,131 USD
Returning
Mon, Sep 28, 2026•13 Day Trip
$1,039 USD