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
Wednesday, December 23rd, 2026
6 round-trip options
Returning
Mon, Dec 28, 2026•5 Day Trip
$1,191 USD
Returning
Tue, Dec 29, 2026•6 Day Trip
$1,173 USD
Returning
Thu, Dec 31, 2026•8 Day Trip
$1,052 USD
Returning
Sun, Jan 3, 2027•11 Day Trip
$1,700 USD
Returning
Mon, Jan 4, 2027•12 Day Trip
$1,412 USD
Returning
Wed, Jan 6, 2027•14 Day Trip
$1,060 USD