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BFI to BNK: distance & flight time
Seattle (Boeing Field King County International Airport) → Ballina Byron Bay (Ballina Byron Gateway Airport)
7,405 mi
11,917 km · 6,435 nm
14h 59m
estimated nonstop flight time
+17h
time difference · heading southwest
See live BFI→BNK fares Phone-only fares on this route — call free
Flight time details
7,405 miles nonstop takes roughly 14h 59m 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
- BNK — Ballina Byron Gateway Airport · Ballina Byron Bay, 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 BNK
- LSY · Lismore Airport18 mi away
- OOL · Gold Coast Airport46 mi away
- GFN · Grafton Airport72 mi away
- ACF · Brisbane Archerfield Airport94 mi away
Frequently asked questions
How far is BFI from BNK?
The flight distance from Seattle (BFI) to Ballina Byron Bay (BNK) is 7,405 miles (11,917 km, 6,435 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to BNK?
A nonstop flight takes about 14h 59m 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 Ballina Byron Bay?
Ballina Byron Bay is 17 hours ahead of Seattle.
What is the cheapest way to fly from BFI to BNK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–BNK that never appear on search engines, with no booking fees.