Seattle / Tacoma (SEA) to Lisbon (LIS) flight deal in economy from $388
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
LISPortela Airport
Lisbon, Portugal
$483 USD
-20%$388 USD
Verified about 22 hours agoDecember 2026
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Fair Availability
36% of dates checked are available within 10% of the lowest price
Tuesday, December 22nd, 2026
Outbound Flights
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