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 agoAugust 2026
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Fair Availability
38% of dates checked are available within 10% of the lowest price
Saturday, August 1st, 2026
10 round-trip options
Returning
Thu, Aug 6, 2026•5 Day Trip
$1,131 USD
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Fri, Aug 7, 2026•6 Day Trip
$1,046 USD
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Sat, Aug 8, 2026•7 Day Trip
$1,043 USD
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Sun, Aug 9, 2026•8 Day Trip
$1,067 USD
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Mon, Aug 10, 2026•9 Day Trip
$1,030 USD
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Tue, Aug 11, 2026•10 Day Trip
$1,030 USD
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Wed, Aug 12, 2026•11 Day Trip
$988 USD
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Thu, Aug 13, 2026•12 Day Trip
$936 USD
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Fri, Aug 14, 2026•13 Day Trip
$986 USD
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Sat, Aug 15, 2026•14 Day Trip
$1,045 USD