Chicago (ORD) to Lisbon (LIS) flight deal in economy from $720
$1,021 USD
-29%$720 USD
Verified 14 days agoNovember 2026
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Fair Availability
20% of dates checked are available within 10% of the lowest price
Sunday, November 29th, 2026
6 round-trip options
Returning
Fri, Dec 4, 2026•5 Day Trip
$781 USD
Returning
Sat, Dec 5, 2026•6 Day Trip
$831 USD
Returning
Mon, Dec 7, 2026•8 Day Trip
$788 USD
Returning
Thu, Dec 10, 2026•11 Day Trip
$738 USD
Returning
Fri, Dec 11, 2026•12 Day Trip
$760 USD
Returning
Sun, Dec 13, 2026•14 Day Trip
$810 USD