Chicago (ORD) to Lisbon (LIS) flight deal in economy from $720
$1,021 USD
-29%$720 USD
Verified 14 days agoSeptember 2026
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Fair Availability
20% of dates checked are available within 10% of the lowest price
Saturday, September 19th, 2026
5 round-trip options
Returning
Fri, Sep 25, 2026•6 Day Trip
$1,441 USD
Returning
Tue, Sep 29, 2026•10 Day Trip
$1,013 USD
Returning
Wed, Sep 30, 2026•11 Day Trip
$1,031 USD
Returning
Thu, Oct 1, 2026•12 Day Trip
$1,013 USD
Returning
Fri, Oct 2, 2026•13 Day Trip
$1,039 USD