Seattle / Tacoma (SEA) to Trondheim (TRD) flight deal in economy from $420
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
TRDTrondheim Airport, Værnes
Trondheim, Norway
$977 USD
-57%$420 USD
Verified about 4 hours agoSeptember 2026
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Extremely Rare Availability
3% of dates checked are available within 10% of the lowest price
Wednesday, September 16th, 2026
3 round-trip options
Returning
Mon, Sep 21, 2026•5 Day Trip
$994 USD
Returning
Tue, Sep 22, 2026•6 Day Trip
$1,042 USD
Returning
Wed, Sep 23, 2026•7 Day Trip
$1,007 USD