Seattle / Tacoma (SEA) to Oslo (OSL) flight deal in economy from $539

Air FranceAFAir FranceDelta Air LinesDLDelta Air LinesKLMKLKLM
Round Trip•Economy
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
NorwayOSL

Oslo Airport, Gardermoen

Oslo, Norway
$693 USD
-22%$539 USD
Verified 14 days ago
Fair Availability
30% of dates checked are available within 10% of the lowest price

Monday, July 20th, 2026

6 round-trip options

Returning
Sun, Jul 26, 2026•6 Day Trip
$684 USD
Google Flights
Returning
Tue, Jul 28, 2026•8 Day Trip
$667 USD
Google Flights
Returning
Wed, Jul 29, 2026•9 Day Trip
$667 USD
Google Flights
Returning
Sat, Aug 1, 2026•12 Day Trip
$1,154 USD
Google Flights
Returning
Sun, Aug 2, 2026•13 Day Trip
$995 USD
Google Flights
Returning
Mon, Aug 3, 2026•14 Day Trip
$1,154 USD
Google Flights