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OSN to PUS: distance & flight time
Osan (Osan Air Base) → Busan (Gimhae International Airport)
170 mi
273 km · 147 nm
55m
estimated nonstop flight time
Same time
time difference · heading southeast
See live OSN→PUS fares Phone-only fares on this route — call free
Flight time details
170 miles nonstop takes roughly 55m gate to gate, flying southeast. 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
- OSN — Osan Air Base · Osan, South Korea
- PUS — Gimhae International Airport · Busan, 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 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 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
Frequently asked questions
How far is OSN from PUS?
The flight distance from Osan (OSN) to Busan (PUS) is 170 miles (273 km, 147 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to PUS?
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 OSN to PUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–PUS that never appear on search engines, with no booking fees.