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 15 days agoOctober 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Good Availability
51% of dates checked are available within 10% of the lowest price
Tuesday, October 20th, 2026
2 round-trip options
Returning
Thu, Oct 29, 2026•9 Day Trip
$684 USD
Returning
Fri, Oct 30, 2026•10 Day Trip
$676 USD