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 11 hours agoDecember 2026
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Fair Availability
38% of dates checked are available within 10% of the lowest price
Friday, December 4th, 2026
10 round-trip options
Returning
Wed, Dec 9, 2026•5 Day Trip
$871 USD
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Thu, Dec 10, 2026•6 Day Trip
$995 USD
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Fri, Dec 11, 2026•7 Day Trip
$1,139 USD
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Sat, Dec 12, 2026•8 Day Trip
$1,062 USD
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Sun, Dec 13, 2026•9 Day Trip
$1,165 USD
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Mon, Dec 14, 2026•10 Day Trip
$871 USD
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Tue, Dec 15, 2026•11 Day Trip
$1,128 USD
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Wed, Dec 16, 2026•12 Day Trip
$1,309 USD
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Thu, Dec 17, 2026•13 Day Trip
$1,139 USD
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Fri, Dec 18, 2026•14 Day Trip
$1,525 USD