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

Tuesday, December 22nd, 2026

5 round-trip options

Returning
Mon, Dec 28, 2026•6 Day Trip
$1,137 USD
Google Flights
Returning
Tue, Dec 29, 2026•7 Day Trip
$1,110 USD
Google Flights
Returning
Wed, Dec 30, 2026•8 Day Trip
$1,268 USD
Google Flights
Returning
Thu, Dec 31, 2026•9 Day Trip
$1,017 USD
Google Flights
Returning
Sat, Jan 2, 2027•11 Day Trip
$1,393 USD
Google Flights