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 agoOctober 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Great Availability
67% of dates checked are available within 10% of the lowest price
Friday, October 2nd, 2026
8 round-trip options
Returning
Wed, Oct 7, 2026•5 Day Trip
$645 USD
Returning
Thu, Oct 8, 2026•6 Day Trip
$648 USD
Returning
Sat, Oct 10, 2026•8 Day Trip
$690 USD
Returning
Sun, Oct 11, 2026•9 Day Trip
$648 USD
Returning
Mon, Oct 12, 2026•10 Day Trip
$650 USD
Returning
Tue, Oct 13, 2026•11 Day Trip
$648 USD
Returning
Thu, Oct 15, 2026•13 Day Trip
$648 USD
Returning
Fri, Oct 16, 2026•14 Day Trip
$648 USD