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
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Friday, December 11th, 2026
5 round-trip options
Returning
Thu, Dec 17, 2026•6 Day Trip
$769 USD
Returning
Fri, Dec 18, 2026•7 Day Trip
$1,139 USD
Returning
Sat, Dec 19, 2026•8 Day Trip
$1,360 USD
Returning
Sun, Dec 20, 2026•9 Day Trip
$1,085 USD
Returning
Tue, Dec 22, 2026•11 Day Trip
$769 USD