British AirwaysBABritish Airways
One Way•Economy
United StatesORD

O'Hare International Airport

Chicago, United States
PortugalLIS

Portela Airport

Lisbon, Portugal
$628 USD
-44%$353 USD
Verified Apr 8, 2026 at 11:16 AM
Limited Availability
15% of dates checked are available within 10% of the lowest price

Tuesday, April 21st, 2026

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