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TBN to BFI: distance & flight time
Fort Leonardwood (Waynesville-St. Robert Regional Forney field) → Seattle (Boeing Field King County International Airport)
1,662 mi
2,675 km · 1,444 nm
3h 44m
estimated nonstop flight time
-2h
time difference · heading northwest
See live TBN→BFI fares Phone-only fares on this route — call free
Flight time details
1,662 miles nonstop takes roughly 3h 44m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- TBN — Waynesville-St. Robert Regional Forney field · Fort Leonardwood, United States
- BFI — Boeing Field King County International Airport · Seattle, United States
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 TBN
- AIZ · Lee C Fine Memorial Airport33 mi away
- JEF · Jefferson City Memorial Airport59 mi away
- COU · Columbia Regional Airport75 mi away
- SGF · Springfield Branson National Airport77 mi away
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
Frequently asked questions
How far is TBN from BFI?
The flight distance from Fort Leonardwood (TBN) to Seattle (BFI) is 1,662 miles (2,675 km, 1,444 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TBN to BFI?
A nonstop flight takes about 3h 44m 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 Fort Leonardwood and Seattle?
Seattle is 2 hours behind Fort Leonardwood.
What is the cheapest way to fly from TBN to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TBN–BFI that never appear on search engines, with no booking fees.