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
Friday, October 16th, 2026
5 round-trip options
Returning
Thu, Oct 22, 2026•6 Day Trip
$800 USD
Returning
Mon, Oct 26, 2026•10 Day Trip
$860 USD
Returning
Tue, Oct 27, 2026•11 Day Trip
$800 USD
Returning
Wed, Oct 28, 2026•12 Day Trip
$800 USD
Returning
Thu, Oct 29, 2026•13 Day Trip
$800 USD