Seattle / Tacoma (SEA) to Oslo (OSL) flight deal in economy from $539
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
OSLOslo Airport, Gardermoen
Oslo, Norway
$693 USD
-22%$539 USD
Verified 16 days agoDecember 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Fair Availability
30% of dates checked are available within 10% of the lowest price
Friday, December 18th, 2026
5 round-trip options
Returning
Thu, Dec 24, 2026•6 Day Trip
$1,124 USD
Returning
Fri, Dec 25, 2026•7 Day Trip
$1,124 USD
Returning
Sat, Dec 26, 2026•8 Day Trip
$1,166 USD
Returning
Sun, Dec 27, 2026•9 Day Trip
$1,571 USD
Returning
Tue, Dec 29, 2026•11 Day Trip
$1,274 USD