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SEA to TRD: distance & flight time
Seattle (Seattle Tacoma International Airport) → Trondheim (Trondheim Airport Værnes)
4,362 mi
7,019 km · 3,790 nm
9h 1m
estimated nonstop flight time
+9h
time difference · heading north
See live SEA→TRD fares Phone-only fares on this route — call free
Flight time details
4,362 miles nonstop takes roughly 9h 1m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- SEA — Seattle Tacoma International Airport · Seattle, United States
- TRD — Trondheim Airport Værnes · Trondheim, Norway
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near SEA
- RNT · Renton Municipal Airport5 mi away
- BFI · Boeing Field King County International Airport6 mi away
- TIW · Tacoma Narrows Airport18 mi away
- PWT · Bremerton National Airport21 mi away
Near TRD
- OLA · Ørland Airport44 mi away
- RRS · Røros Airport62 mi away
- OSY · Namsos Høknesøra Airport73 mi away
- RVK · Rørvik Airport, Ryum96 mi away
Frequently asked questions
How far is SEA from TRD?
The flight distance from Seattle (SEA) to Trondheim (TRD) is 4,362 miles (7,019 km, 3,790 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEA to TRD?
A nonstop flight takes about 9h 1m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Seattle and Trondheim?
Trondheim is 9 hours ahead of Seattle.
What is the cheapest way to fly from SEA to TRD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEA–TRD that never appear on search engines, with no booking fees.