Seattle / Tacoma (SEA) to Oslo (OSL) flight deal in economy from $484

Air CanadaACAir CanadaLufthansaLHLufthansaSwiss International Air LinesLXSwiss International Air LinesAustrian AirlinesOSAustrian AirlinesUnited AirlinesUAUnited Airlines
Round Trip•Economy
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
NorwayOSL

Oslo Airport, Gardermoen

Oslo, Norway
$604 USD
-20%$484 USD
Verified about 4 hours ago
Good Availability
54% of dates checked are available within 10% of the lowest price

Monday, August 10th, 2026

10 round-trip options

Returning
Sat, Aug 15, 2026•5 Day Trip
$889 USD
Google Flights
Returning
Sun, Aug 16, 2026•6 Day Trip
$862 USD
Google Flights
Returning
Mon, Aug 17, 2026•7 Day Trip
$730 USD
Google Flights
Returning
Tue, Aug 18, 2026•8 Day Trip
$727 USD
Google Flights
Returning
Wed, Aug 19, 2026•9 Day Trip
$613 USD
Google Flights
Returning
Thu, Aug 20, 2026•10 Day Trip
$613 USD
Google Flights
Returning
Fri, Aug 21, 2026•11 Day Trip
$621 USD
Google Flights
Returning
Sat, Aug 22, 2026•12 Day Trip
$735 USD
Google Flights
Returning
Sun, Aug 23, 2026•13 Day Trip
$737 USD
Google Flights
Returning
Mon, Aug 24, 2026•14 Day Trip
$717 USD
Google Flights