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 15 days ago
Fair Availability
30% of dates checked are available within 10% of the lowest price

Monday, October 5th, 2026

4 round-trip options

Returning
Wed, Oct 14, 2026•9 Day Trip
$649 USD
Google Flights
Returning
Thu, Oct 15, 2026•10 Day Trip
$649 USD
Google Flights
Returning
Fri, Oct 16, 2026•11 Day Trip
$649 USD
Google Flights
Returning
Mon, Oct 19, 2026•14 Day Trip
$649 USD
Google Flights