Seattle / Tacoma (SEA) to Oslo (OSL) flight deal in economy from $539

Air FranceAFAir FranceDelta Air LinesDLDelta Air LinesKLMKLKLM
Round Trip•Economy
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
NorwayOSL

Oslo Airport, Gardermoen

Oslo, Norway
$693 USD
-22%$539 USD
Verified 16 days ago
Fair Availability
30% of dates checked are available within 10% of the lowest price

Wednesday, December 16th, 2026

5 round-trip options

Returning
Tue, Dec 22, 2026•6 Day Trip
$1,292 USD
Google Flights
Returning
Wed, Dec 23, 2026•7 Day Trip
$1,162 USD
Google Flights
Returning
Thu, Dec 24, 2026•8 Day Trip
$1,120 USD
Google Flights
Returning
Fri, Dec 25, 2026•9 Day Trip
$1,119 USD
Google Flights
Returning
Sun, Dec 27, 2026•11 Day Trip
$1,561 USD
Google Flights