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 4 hours ago
Fair Availability
23% of dates checked are available within 10% of the lowest price

Thursday, September 10th, 2026

10 round-trip options

Returning
Tue, Sep 15, 2026•5 Day Trip
$538 USD
Google Flights
Returning
Wed, Sep 16, 2026•6 Day Trip
$520 USD
Google Flights
Returning
Thu, Sep 17, 2026•7 Day Trip
$720 USD
Google Flights
Returning
Fri, Sep 18, 2026•8 Day Trip
$605 USD
Google Flights
Returning
Sat, Sep 19, 2026•9 Day Trip
$710 USD
Google Flights
Returning
Sun, Sep 20, 2026•10 Day Trip
$655 USD
Google Flights
Returning
Mon, Sep 21, 2026•11 Day Trip
$576 USD
Google Flights
Returning
Tue, Sep 22, 2026•12 Day Trip
$660 USD
Google Flights
Returning
Wed, Sep 23, 2026•13 Day Trip
$520 USD
Google Flights
Returning
Thu, Sep 24, 2026•14 Day Trip
$1,285 USD
Google Flights