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 5 hours agoOctober 2026
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Great Availability
67% of dates checked are available within 10% of the lowest price
Monday, October 12th, 2026
8 round-trip options
Returning
Sat, Oct 17, 2026•5 Day Trip
$686 USD
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Sun, Oct 18, 2026•6 Day Trip
$648 USD
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Tue, Oct 20, 2026•8 Day Trip
$641 USD
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Wed, Oct 21, 2026•9 Day Trip
$645 USD
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Thu, Oct 22, 2026•10 Day Trip
$648 USD
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Fri, Oct 23, 2026•11 Day Trip
$648 USD
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Sun, Oct 25, 2026•13 Day Trip
$664 USD
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Mon, Oct 26, 2026•14 Day Trip
$650 USD