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
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Good Availability
51% of dates checked are available within 10% of the lowest price
Sunday, December 20th, 2026
3 round-trip options
Returning
Sun, Dec 27, 2026•7 Day Trip
$942 USD
Returning
Mon, Dec 28, 2026•8 Day Trip
$847 USD
Returning
Thu, Dec 31, 2026•11 Day Trip
$957 USD