Seattle / Tacoma (SEA) to Lisbon (LIS) flight deal in economy from $740
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
LISPortela Airport
Lisbon, Portugal
$948 USD
-22%$740 USD
Verified about 10 hours agoJuly 2026
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Limited Availability
15% of dates checked are available within 10% of the lowest price
Wednesday, July 1st, 2026
0 round-trip options
No flight details available for this date.