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

Tuesday, August 18th, 2026

6 round-trip options

Returning
Mon, Aug 24, 2026•6 Day Trip
$615 USD
Google Flights
Returning
Wed, Aug 26, 2026•8 Day Trip
$615 USD
Google Flights
Returning
Thu, Aug 27, 2026•9 Day Trip
$615 USD
Google Flights
Returning
Sun, Aug 30, 2026•12 Day Trip
$615 USD
Google Flights
Returning
Mon, Aug 31, 2026•13 Day Trip
$615 USD
Google Flights
Returning
Tue, Sep 1, 2026•14 Day Trip
$615 USD
Google Flights