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

Sunday, May 3rd, 2026

Outbound Flights

·
→
·
→
·
→
Google Flights