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 agoJuly 2026
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Great Availability
67% of dates checked are available within 10% of the lowest price
Saturday, July 18th, 2026
8 round-trip options
Returning
Thu, Jul 23, 2026•5 Day Trip
$951 USD
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Fri, Jul 24, 2026•6 Day Trip
$973 USD
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Sun, Jul 26, 2026•8 Day Trip
$951 USD
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Tue, Jul 28, 2026•10 Day Trip
$999 USD
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Wed, Jul 29, 2026•11 Day Trip
$1,059 USD
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Thu, Jul 30, 2026•12 Day Trip
$996 USD
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Fri, Jul 31, 2026•13 Day Trip
$987 USD
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Sat, Aug 1, 2026•14 Day Trip
$964 USD