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
Wednesday, December 23rd, 2026
3 round-trip options
Returning
Wed, Dec 30, 2026•7 Day Trip
$962 USD
Returning
Thu, Dec 31, 2026•8 Day Trip
$973 USD
Returning
Sun, Jan 3, 2027•11 Day Trip
$962 USD