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 31st, 2026
6 round-trip options
Returning
Tue, Jan 5, 2027•5 Day Trip
$1,124 USD
Returning
Wed, Jan 6, 2027•6 Day Trip
$914 USD
Returning
Fri, Jan 8, 2027•8 Day Trip
$914 USD
Returning
Mon, Jan 11, 2027•11 Day Trip
$966 USD
Returning
Tue, Jan 12, 2027•12 Day Trip
$914 USD
Returning
Thu, Jan 14, 2027•14 Day Trip
$839 USD