Oslo (OSL) to Seattle / Tacoma (SEA) flight deal in economy from $639
OSLOslo Airport, Gardermoen
Oslo, Norway
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
$739 USD
-14%$639 USD
Verified about 10 hours agoAugust 2026
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Great Availability
67% of dates checked are available within 10% of the lowest price
Sunday, August 9th, 2026
8 round-trip options
Returning
Sat, Aug 15, 2026•6 Day Trip
$847 USD
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Sun, Aug 16, 2026•7 Day Trip
$812 USD
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Mon, Aug 17, 2026•8 Day Trip
$809 USD
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Tue, Aug 18, 2026•9 Day Trip
$812 USD
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Thu, Aug 20, 2026•11 Day Trip
$813 USD
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Fri, Aug 21, 2026•12 Day Trip
$812 USD
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Sat, Aug 22, 2026•13 Day Trip
$825 USD
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Sun, Aug 23, 2026•14 Day Trip
$822 USD