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HSG to OSN: distance & flight time
Saga (Saga Airport) → Osan (Osan Air Base)
329 mi
530 km · 286 nm
1h 20m
estimated nonstop flight time
Same time
time difference · heading northwest
See live HSG→OSN fares Phone-only fares on this route — call free
Flight time details
329 miles nonstop takes roughly 1h 20m 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
- HSG — Saga Airport · Saga, Japan
- 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 HSG
- NGS · Nagasaki Airport28 mi away
- FUK · Fukuoka Airport31 mi away
- KMJ · Kumamoto Airport39 mi away
- AXJ · Amakusa Airport47 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 HSG from OSN?
The flight distance from Saga (HSG) to Osan (OSN) is 329 miles (530 km, 286 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HSG to OSN?
A nonstop flight takes about 1h 20m 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 HSG to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HSG–OSN that never appear on search engines, with no booking fees.