Oslo (OSL) to Seattle / Tacoma (SEA) flight deal in economy from $642
OSLOslo Airport, Gardermoen
Oslo, Norway
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
$886 USD
-28%$642 USD
Verified about 8 hours agoNovember 2026
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Fair Availability
38% of dates checked are available within 10% of the lowest price
Saturday, November 28th, 2026
10 round-trip options
Returning
Thu, Dec 3, 2026•5 Day Trip
$903 USD
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Fri, Dec 4, 2026•6 Day Trip
$908 USD
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Sat, Dec 5, 2026•7 Day Trip
$942 USD
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Sun, Dec 6, 2026•8 Day Trip
$1,145 USD
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Mon, Dec 7, 2026•9 Day Trip
$930 USD
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Tue, Dec 8, 2026•10 Day Trip
$930 USD
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Wed, Dec 9, 2026•11 Day Trip
$930 USD
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Thu, Dec 10, 2026•12 Day Trip
$1,054 USD
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Fri, Dec 11, 2026•13 Day Trip
$1,199 USD
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Sat, Dec 12, 2026•14 Day Trip
$1,121 USD