Need help booking?
Unpublished phone-only deals available
BFI to TRD: distance & flight time
Seattle (Boeing Field King County International Airport) → Trondheim (Trondheim Airport Værnes)
4,356 mi
7,011 km · 3,785 nm
9h
estimated nonstop flight time
+9h
time difference · heading north
See live BFI→TRD fares Phone-only fares on this route — call free
Flight time details
4,356 miles nonstop takes roughly 9h 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
- BFI — Boeing Field King County 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 BFI
- SEA · Seattle Tacoma International Airport6 mi away
- RNT · Renton Municipal Airport5 mi away
- PWT · Bremerton National Airport22 mi away
- TIW · Tacoma Narrows Airport22 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 BFI from TRD?
The flight distance from Seattle (BFI) to Trondheim (TRD) is 4,356 miles (7,011 km, 3,785 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to TRD?
A nonstop flight takes about 9h 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 BFI to TRD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–TRD that never appear on search engines, with no booking fees.