Chicago (ORD) to Lisbon (LIS) flight deal in economy from $764
$1,022 USD
-25%$764 USD
Verified 1 day agoSeptember 2026
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Fair Availability
33% of dates checked are available within 10% of the lowest price
Saturday, September 19th, 2026
9 round-trip options
Returning
Thu, Sep 24, 2026•5 Day Trip
$959 USD
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Fri, Sep 25, 2026•6 Day Trip
$967 USD
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Sat, Sep 26, 2026•7 Day Trip
$1,027 USD
Returning
Sun, Sep 27, 2026•8 Day Trip
$1,073 USD
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Mon, Sep 28, 2026•9 Day Trip
$1,027 USD
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Tue, Sep 29, 2026•10 Day Trip
$967 USD
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Wed, Sep 30, 2026•11 Day Trip
$959 USD
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Fri, Oct 2, 2026•13 Day Trip
$985 USD
Returning
Sat, Oct 3, 2026•14 Day Trip
$1,174 USD