Seattle / Tacoma (SEA) to Oslo (OSL) flight deal in economy from $444

IcelandairFIIcelandair
Round Trip•Economy
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
NorwayOSL

Oslo Airport, Gardermoen

Oslo, Norway
$633 USD
-30%$444 USD
Verified 6 days ago
Fair Availability
23% of dates checked are available within 10% of the lowest price

Tuesday, September 15th, 2026

6 round-trip options

Returning
Sun, Sep 20, 2026•5 Day Trip
$849 USD
Google Flights
Returning
Mon, Sep 21, 2026•6 Day Trip
$665 USD
Google Flights
Returning
Wed, Sep 23, 2026•8 Day Trip
$564 USD
Google Flights
Returning
Thu, Sep 24, 2026•9 Day Trip
$1,209 USD
Google Flights
Returning
Sat, Sep 26, 2026•11 Day Trip
$849 USD
Google Flights
Returning
Mon, Sep 28, 2026•13 Day Trip
$799 USD
Google Flights