Chicago (ORD) to Lisbon (LIS) flight deal in economy from $764
$1,022 USD
-25%$764 USD
Verified 1 day agoDecember 2026
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Fair Availability
33% of dates checked are available within 10% of the lowest price
Sunday, December 20th, 2026
10 round-trip options
Returning
Fri, Dec 25, 2026•5 Day Trip
$1,254 USD
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Sat, Dec 26, 2026•6 Day Trip
$1,398 USD
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Sun, Dec 27, 2026•7 Day Trip
$1,278 USD
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Mon, Dec 28, 2026•8 Day Trip
$1,357 USD
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Tue, Dec 29, 2026•9 Day Trip
$1,255 USD
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Wed, Dec 30, 2026•10 Day Trip
$1,246 USD
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Thu, Dec 31, 2026•11 Day Trip
$1,227 USD
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Fri, Jan 1, 2027•12 Day Trip
$1,356 USD
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Sat, Jan 2, 2027•13 Day Trip
$1,644 USD
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Sun, Jan 3, 2027•14 Day Trip
$1,740 USD