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BFI to GFN: distance & flight time
Seattle (Boeing Field King County International Airport) → Grafton (Grafton Airport)
7,473 mi
12,027 km · 6,494 nm
15h 7m
estimated nonstop flight time
+17h
time difference · heading southwest
See live BFI→GFN fares Phone-only fares on this route — call free
Flight time details
7,473 miles nonstop takes roughly 15h 7m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 17-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- GFN — Grafton Airport · Grafton, Australia
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 GFN
- CFS · Coffs Harbour Airport39 mi away
- LSY · Lismore Airport66 mi away
- BNK · Ballina Byron Gateway Airport72 mi away
- GLI · Glen Innes Airport81 mi away
Frequently asked questions
How far is BFI from GFN?
The flight distance from Seattle (BFI) to Grafton (GFN) is 7,473 miles (12,027 km, 6,494 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to GFN?
A nonstop flight takes about 15h 7m 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 Grafton?
Grafton is 17 hours ahead of Seattle.
What is the cheapest way to fly from BFI to GFN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–GFN that never appear on search engines, with no booking fees.