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 4 hours ago
Extremely Rare Availability
3% of dates checked are available within 10% of the lowest price

Monday, September 21st, 2026

3 round-trip options

Returning
Sat, Sep 26, 2026•5 Day Trip
$772 USD
Google Flights
Returning
Sun, Sep 27, 2026•6 Day Trip
$772 USD
Google Flights
Returning
Mon, Sep 28, 2026•7 Day Trip
$753 USD
Google Flights