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
Sunday, September 20th, 2026
9 round-trip options
Returning
Fri, Sep 25, 2026•5 Day Trip
$726 USD
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Sat, Sep 26, 2026•6 Day Trip
$726 USD
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Sun, Sep 27, 2026•7 Day Trip
$726 USD
Returning
Mon, Sep 28, 2026•8 Day Trip
$748 USD
Returning
Tue, Sep 29, 2026•9 Day Trip
$774 USD
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Thu, Oct 1, 2026•11 Day Trip
$768 USD
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Fri, Oct 2, 2026•12 Day Trip
$1,018 USD
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Sat, Oct 3, 2026•13 Day Trip
$1,318 USD
Returning
Sun, Oct 4, 2026•14 Day Trip
$939 USD