Seattle / Tacoma (SEA) to Trondheim (TRD) flight deal in economy from $420

Scandinavian AirlinesSKScandinavian Airlines
Round Trip•Economy
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
NorwayTRD

Trondheim Airport, Værnes

Trondheim, Norway
$977 USD
-57%$420 USD
Verified about 3 hours ago
Extremely Rare Availability
3% of dates checked are available within 10% of the lowest price

Sunday, October 18th, 2026

3 round-trip options

Returning
Fri, Oct 23, 2026•5 Day Trip
$886 USD
Google Flights
Returning
Sat, Oct 24, 2026•6 Day Trip
$933 USD
Google Flights
Returning
Sun, Oct 25, 2026•7 Day Trip
$973 USD
Google Flights