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
Thursday, September 3rd, 2026
5 round-trip options
Returning
Wed, Sep 9, 2026•6 Day Trip
$1,031 USD
Returning
Sun, Sep 13, 2026•10 Day Trip
$1,091 USD
Returning
Mon, Sep 14, 2026•11 Day Trip
$1,091 USD
Returning
Tue, Sep 15, 2026•12 Day Trip
$1,031 USD
Returning
Wed, Sep 16, 2026•13 Day Trip
$1,031 USD