Oslo (OSL) to Seattle / Tacoma (SEA) flight deal in economy from $429
OSLOslo Airport, Gardermoen
Oslo, Norway
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
$577 USD
-26%$429 USD
Verified about 3 hours agoSeptember 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Great Availability
72% of dates checked are available within 10% of the lowest price
Friday, September 4th, 2026
No flight details available for this date.