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
Wednesday, December 2nd, 2026
3 round-trip options
Returning
Wed, Dec 9, 2026•7 Day Trip
$654 USD
Returning
Thu, Dec 10, 2026•8 Day Trip
$670 USD
Returning
Sun, Dec 13, 2026•11 Day Trip
$659 USD