Chicago (ORD) to Lisbon (LIS) flight deal in economy from $720
$1,021 USD
-29%$720 USD
Verified 14 days agoSeptember 2026
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Fair Availability
20% of dates checked are available within 10% of the lowest price
Friday, September 25th, 2026
5 round-trip options
Returning
Thu, Oct 1, 2026•6 Day Trip
$840 USD
Returning
Mon, Oct 5, 2026•10 Day Trip
$918 USD
Returning
Tue, Oct 6, 2026•11 Day Trip
$866 USD
Returning
Wed, Oct 7, 2026•12 Day Trip
$927 USD
Returning
Thu, Oct 8, 2026•13 Day Trip
$996 USD