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BNK to BFI: distance & flight time
Ballina Byron Bay (Ballina Byron Gateway Airport) → Seattle (Boeing Field King County International Airport)
7,405 mi
11,917 km · 6,435 nm
14h 59m
estimated nonstop flight time
-17h
time difference · heading northeast
See live BNK→BFI fares Phone-only fares on this route — call free
Flight time details
7,405 miles nonstop takes roughly 14h 59m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 17-hour time set-back when reading arrival times on your ticket.
The two airports
- BNK — Ballina Byron Gateway Airport · Ballina Byron Bay, 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 BNK
- LSY · Lismore Airport18 mi away
- OOL · Gold Coast Airport46 mi away
- GFN · Grafton Airport72 mi away
- ACF · Brisbane Archerfield Airport94 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 BNK from BFI?
The flight distance from Ballina Byron Bay (BNK) to Seattle (BFI) 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 BNK to BFI?
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 Ballina Byron Bay and Seattle?
Seattle is 17 hours behind Ballina Byron Bay.
What is the cheapest way to fly from BNK to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BNK–BFI that never appear on search engines, with no booking fees.