Chicago (ORD) to Lisbon (LIS) flight deal in economy from $720
$1,021 USD
-29%$720 USD
Verified 15 days agoDecember 2026
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Fair Availability
20% of dates checked are available within 10% of the lowest price
Thursday, December 24th, 2026
6 round-trip options
Returning
Tue, Dec 29, 2026•5 Day Trip
$1,093 USD
Returning
Wed, Dec 30, 2026•6 Day Trip
$1,056 USD
Returning
Fri, Jan 1, 2027•8 Day Trip
$1,245 USD
Returning
Mon, Jan 4, 2027•11 Day Trip
$1,332 USD
Returning
Tue, Jan 5, 2027•12 Day Trip
$1,190 USD
Returning
Thu, Jan 7, 2027•14 Day Trip
$983 USD