Oslo (OSL) to Seattle / Tacoma (SEA) flight deal in economy from $648
OSLOslo Airport, Gardermoen
Oslo, Norway
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
$821 USD
-21%$648 USD
Verified 14 days agoAugust 2026
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Good Availability
51% of dates checked are available within 10% of the lowest price
Friday, August 28th, 2026
6 round-trip options
Returning
Wed, Sep 2, 2026•5 Day Trip
$765 USD
Returning
Thu, Sep 3, 2026•6 Day Trip
$720 USD
Returning
Fri, Sep 4, 2026•7 Day Trip
$723 USD
Returning
Sat, Sep 5, 2026•8 Day Trip
$813 USD
Returning
Sun, Sep 6, 2026•9 Day Trip
$654 USD
Returning
Mon, Sep 7, 2026•10 Day Trip
$648 USD