Chicago (ORD) to Lisbon (LIS) flight deal in economy from $764
$1,022 USD
-25%$764 USD
Verified about 23 hours agoSeptember 2026
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Fair Availability
33% of dates checked are available within 10% of the lowest price
Monday, September 21st, 2026
9 round-trip options
Returning
Sat, Sep 26, 2026•5 Day Trip
$1,201 USD
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Sun, Sep 27, 2026•6 Day Trip
$1,013 USD
Returning
Mon, Sep 28, 2026•7 Day Trip
$985 USD
Returning
Tue, Sep 29, 2026•8 Day Trip
$916 USD
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Wed, Sep 30, 2026•9 Day Trip
$927 USD
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Thu, Oct 1, 2026•10 Day Trip
$927 USD
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Fri, Oct 2, 2026•11 Day Trip
$961 USD
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Sun, Oct 4, 2026•13 Day Trip
$1,021 USD
Returning
Mon, Oct 5, 2026•14 Day Trip
$995 USD