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

Tuesday, July 7th, 2026

6 round-trip options

Returning
Sun, Jul 12, 2026•5 Day Trip
$1,224 USD
Google Flights
Returning
Mon, Jul 13, 2026•6 Day Trip
$1,224 USD
Google Flights
Returning
Tue, Jul 14, 2026•7 Day Trip
$1,224 USD
Google Flights
Returning
Wed, Jul 15, 2026•8 Day Trip
$1,224 USD
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Returning
Thu, Jul 16, 2026•9 Day Trip
$1,235 USD
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Returning
Fri, Jul 17, 2026•10 Day Trip
$1,241 USD
Google Flights