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
Saturday, September 19th, 2026
9 round-trip options
Returning
Thu, Sep 24, 2026•5 Day Trip
$796 USD
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Fri, Sep 25, 2026•6 Day Trip
$767 USD
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Sat, Sep 26, 2026•7 Day Trip
$767 USD
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Sun, Sep 27, 2026•8 Day Trip
$798 USD
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Mon, Sep 28, 2026•9 Day Trip
$792 USD
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Tue, Sep 29, 2026•10 Day Trip
$818 USD
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Thu, Oct 1, 2026•12 Day Trip
$812 USD
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Fri, Oct 2, 2026•13 Day Trip
$1,062 USD
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Sat, Oct 3, 2026•14 Day Trip
$1,362 USD