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 agoAugust 2026
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Great Availability
67% of dates checked are available within 10% of the lowest price
Monday, August 31st, 2026
8 round-trip options
Returning
Sun, Sep 6, 2026•6 Day Trip
$648 USD
Returning
Mon, Sep 7, 2026•7 Day Trip
$799 USD
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Tue, Sep 8, 2026•8 Day Trip
$650 USD
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Wed, Sep 9, 2026•9 Day Trip
$648 USD
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Fri, Sep 11, 2026•11 Day Trip
$685 USD
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Sat, Sep 12, 2026•12 Day Trip
$686 USD
Returning
Sun, Sep 13, 2026•13 Day Trip
$648 USD
Returning
Mon, Sep 14, 2026•14 Day Trip
$645 USD