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GLT to BFI: distance & flight time
Gladstone (Gladstone Airport) → Seattle (Boeing Field King County International Airport)
7,262 mi
11,687 km · 6,310 nm
14h 42m
estimated nonstop flight time
-17h
time difference · heading northeast
See live GLT→BFI fares Phone-only fares on this route — call free
Flight time details
7,262 miles nonstop takes roughly 14h 42m 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
- GLT — Gladstone Airport · Gladstone, 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 GLT
- GKL · Great Keppel Is Airport51 mi away
- ROK · Rockhampton Airport58 mi away
- THG · Thangool Airport59 mi away
- BDB · Bundaberg Airport99 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 GLT from BFI?
The flight distance from Gladstone (GLT) to Seattle (BFI) is 7,262 miles (11,687 km, 6,310 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GLT to BFI?
A nonstop flight takes about 14h 42m 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 Gladstone and Seattle?
Seattle is 17 hours behind Gladstone.
What is the cheapest way to fly from GLT to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GLT–BFI that never appear on search engines, with no booking fees.