Chicago (ORD) to Lisbon (LIS) flight deal in economy from $720
$1,021 USD
-29%$720 USD
Verified 14 days agoOctober 2026
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Fair Availability
20% of dates checked are available within 10% of the lowest price
Monday, October 19th, 2026
5 round-trip options
Returning
Sun, Oct 25, 2026•6 Day Trip
$897 USD
Returning
Thu, Oct 29, 2026•10 Day Trip
$750 USD
Returning
Fri, Oct 30, 2026•11 Day Trip
$750 USD
Returning
Sat, Oct 31, 2026•12 Day Trip
$810 USD
Returning
Sun, Nov 1, 2026•13 Day Trip
$770 USD