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OSN to BWU: distance & flight time
Osan (Osan Air Base) → Sydney (Sydney Bankstown Airport)
5,143 mi
8,277 km · 4,469 nm
10h 33m
estimated nonstop flight time
+1h
time difference · heading south
See live OSN→BWU fares Phone-only fares on this route — call free
Flight time details
5,143 miles nonstop takes roughly 10h 33m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- BWU — Sydney Bankstown Airport · Sydney, 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 OSN
- ICN · Incheon International Airport41 mi away
- SWU · Suwon Airport10 mi away
- SSN · Seoul Air Base (K-16)25 mi away
- GMP · Gimpo International Airport35 mi away
Near BWU
- SYD · Sydney Kingsford Smith International Airport11 mi away
- CDU · Camden Airport19 mi away
- XRH · RAAF Base Richmond25 mi away
- WOL · Wollongong Airport45 mi away
Frequently asked questions
How far is OSN from BWU?
The flight distance from Osan (OSN) to Sydney (BWU) is 5,143 miles (8,277 km, 4,469 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to BWU?
A nonstop flight takes about 10h 33m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from OSN to BWU?
Nonstop service on OSN–BWU depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 10h 33m nonstop estimate.
What is the time difference between Osan and Sydney?
Sydney is 1 hour ahead of Osan.
What is the cheapest way to fly from OSN to BWU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–BWU that never appear on search engines, with no booking fees.
Why are some OSN to BWU fares phone-only?
Consolidator contracts let us sell certain OSN–BWU tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.