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 5 hours agoDecember 2026
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Great Availability
67% of dates checked are available within 10% of the lowest price
Monday, December 28th, 2026
5 round-trip options
Returning
Sat, Jan 2, 2027•5 Day Trip
$1,072 USD
Returning
Sun, Jan 3, 2027•6 Day Trip
$1,012 USD
Returning
Mon, Jan 4, 2027•7 Day Trip
$1,012 USD
Returning
Wed, Jan 6, 2027•9 Day Trip
$1,012 USD
Returning
Thu, Jan 7, 2027•10 Day Trip
$971 USD