Oslo (OSL) to Seattle / Tacoma (SEA) flight deal in economy from $648
OSLOslo Airport, Gardermoen
Oslo, Norway
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
$821 USD
-21%$648 USD
Verified 16 days agoDecember 2026
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Good Availability
51% of dates checked are available within 10% of the lowest price
Monday, December 14th, 2026
3 round-trip options
Returning
Mon, Dec 21, 2026•7 Day Trip
$1,119 USD
Returning
Tue, Dec 22, 2026•8 Day Trip
$858 USD
Returning
Fri, Dec 25, 2026•11 Day Trip
$681 USD