Delta Air LinesDLDelta Air Lines
One Way•Economy
United StatesPDX

Portland International Airport

Portland, United States
PortugalLIS

Portela Airport

Lisbon, Portugal
$611 USD
-39%$371 USD
Verified Mar 21, 2026 at 10:21 PM
Limited Availability
16% of dates checked are available within 10% of the lowest price

Sunday, March 22nd, 2026

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