American AirlinesAAAmerican Airlines
One Way•Economy
United StatesORD

O'Hare International Airport

Chicago, United States
PortugalLIS

Portela Airport

Lisbon, Portugal
$557 USD
-25%$418 USD
Verified Sep 22, 2025 at 4:32 PM
Fair Availability
24% of dates checked are available within 10% of the lowest price

Monday, October 6th, 2025

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