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 7 hours agoDecember 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Fair Availability
38% of dates checked are available within 10% of the lowest price
Thursday, December 17th, 2026
10 round-trip options
Returning
Tue, Dec 22, 2026•5 Day Trip
$1,168 USD
Returning
Wed, Dec 23, 2026•6 Day Trip
$1,099 USD
Returning
Thu, Dec 24, 2026•7 Day Trip
$1,033 USD
Returning
Fri, Dec 25, 2026•8 Day Trip
$1,033 USD
Returning
Sat, Dec 26, 2026•9 Day Trip
$1,005 USD
Returning
Sun, Dec 27, 2026•10 Day Trip
$1,099 USD
Returning
Mon, Dec 28, 2026•11 Day Trip
$1,111 USD
Returning
Tue, Dec 29, 2026•12 Day Trip
$849 USD
Returning
Wed, Dec 30, 2026•13 Day Trip
$964 USD
Returning
Thu, Dec 31, 2026•14 Day Trip
$970 USD