Oslo (OSL) to Seattle / Tacoma (SEA) flight deal in economy from $648

Air FranceAFAir FranceDelta Air LinesDLDelta Air LinesKLMKLKLM
Round Trip•Economy
NorwayOSL

Oslo Airport, Gardermoen

Oslo, Norway
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
$821 USD
-21%$648 USD
Verified 14 days ago
Good Availability
51% of dates checked are available within 10% of the lowest price

Saturday, July 25th, 2026

6 round-trip options

Returning
Thu, Jul 30, 2026•5 Day Trip
$954 USD
Google Flights
Returning
Fri, Jul 31, 2026•6 Day Trip
$1,007 USD
Google Flights
Returning
Sat, Aug 1, 2026•7 Day Trip
$901 USD
Google Flights
Returning
Sun, Aug 2, 2026•8 Day Trip
$885 USD
Google Flights
Returning
Mon, Aug 3, 2026•9 Day Trip
$885 USD
Google Flights
Returning
Tue, Aug 4, 2026•10 Day Trip
$885 USD
Google Flights