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PUS to OSN: distance & flight time
Busan (Gimhae International Airport) → Osan (Osan Air Base)
170 mi
273 km · 147 nm
55m
estimated nonstop flight time
Same time
time difference · heading northwest
See live PUS→OSN fares Phone-only fares on this route — call free
Flight time details
170 miles nonstop takes roughly 55m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- PUS — Gimhae International Airport · Busan, South Korea
- OSN — Osan Air Base · Osan, South Korea
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 PUS
- CHF · Jinhae Airbase/Airport (G-813/K-10)14 mi away
- USN · Ulsan Airport37 mi away
- HIN · Sacheon Air Base/Airport49 mi away
- TAE · Daegu Airport52 mi away
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
Frequently asked questions
How far is PUS from OSN?
The flight distance from Busan (PUS) to Osan (OSN) is 170 miles (273 km, 147 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PUS to OSN?
A nonstop flight takes about 55m 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 cheapest way to fly from PUS to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PUS–OSN that never appear on search engines, with no booking fees.