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KGC to BFI: distance & flight time
Kingscote (Kingscote Airport) → Seattle (Boeing Field King County International Airport)
8,418 mi
13,547 km · 7,315 nm
16h 58m
estimated nonstop flight time
-16.5h
time difference · heading northeast
See live KGC→BFI fares Phone-only fares on this route — call free
Flight time details
8,418 miles nonstop takes roughly 16h 58m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16.5-hour time set-back when reading arrival times on your ticket.
The two airports
- KGC — Kingscote Airport · Kingscote, Australia
- 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 KGC
- PEA · Penneshaw Airport25 mi away
- ADL · Adelaide International Airport78 mi away
- PLO · Port Lincoln Airport120 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 KGC from BFI?
The flight distance from Kingscote (KGC) to Seattle (BFI) is 8,418 miles (13,547 km, 7,315 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KGC to BFI?
A nonstop flight takes about 16h 58m 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 Kingscote and Seattle?
Seattle is 16.5 hours behind Kingscote.
What is the cheapest way to fly from KGC to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KGC–BFI that never appear on search engines, with no booking fees.