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 5 hours agoJune 2026
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Fair Availability
38% of dates checked are available within 10% of the lowest price
Saturday, June 20th, 2026
10 round-trip options
Returning
Thu, Jun 25, 2026•5 Day Trip
$1,397 USD
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Fri, Jun 26, 2026•6 Day Trip
$1,424 USD
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Sat, Jun 27, 2026•7 Day Trip
$1,386 USD
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Sun, Jun 28, 2026•8 Day Trip
$1,318 USD
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Mon, Jun 29, 2026•9 Day Trip
$1,277 USD
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Tue, Jun 30, 2026•10 Day Trip
$1,277 USD
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Wed, Jul 1, 2026•11 Day Trip
$1,464 USD
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Thu, Jul 2, 2026•12 Day Trip
$1,288 USD
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Fri, Jul 3, 2026•13 Day Trip
$1,113 USD
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Sat, Jul 4, 2026•14 Day Trip
$1,113 USD