Seattle / Tacoma (SEA) to Oslo (OSL) flight deal in economy from $443

IcelandairFIIcelandair
Round Trip•Economy
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
NorwayOSL

Oslo Airport, Gardermoen

Oslo, Norway
$653 USD
-32%$443 USD
Verified about 6 hours ago
Fair Availability
23% of dates checked are available within 10% of the lowest price

Wednesday, December 16th, 2026

10 round-trip options

Returning
Mon, Dec 21, 2026•5 Day Trip
$712 USD
Google Flights
Returning
Tue, Dec 22, 2026•6 Day Trip
$721 USD
Google Flights
Returning
Wed, Dec 23, 2026•7 Day Trip
$706 USD
Google Flights
Returning
Thu, Dec 24, 2026•8 Day Trip
$610 USD
Google Flights
Returning
Fri, Dec 25, 2026•9 Day Trip
$670 USD
Google Flights
Returning
Sat, Dec 26, 2026•10 Day Trip
$871 USD
Google Flights
Returning
Sun, Dec 27, 2026•11 Day Trip
$661 USD
Google Flights
Returning
Mon, Dec 28, 2026•12 Day Trip
$695 USD
Google Flights
Returning
Tue, Dec 29, 2026•13 Day Trip
$756 USD
Google Flights
Returning
Wed, Dec 30, 2026•14 Day Trip
$816 USD
Google Flights