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 6 hours agoJuly 2026
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Great Availability
67% of dates checked are available within 10% of the lowest price
Tuesday, July 14th, 2026
8 round-trip options
Returning
Sun, Jul 19, 2026•5 Day Trip
$793 USD
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Mon, Jul 20, 2026•6 Day Trip
$850 USD
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Wed, Jul 22, 2026•8 Day Trip
$850 USD
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Fri, Jul 24, 2026•10 Day Trip
$850 USD
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Sat, Jul 25, 2026•11 Day Trip
$854 USD
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Sun, Jul 26, 2026•12 Day Trip
$850 USD
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Mon, Jul 27, 2026•13 Day Trip
$850 USD
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Tue, Jul 28, 2026•14 Day Trip
$790 USD