Need help booking?
Unpublished phone-only deals available
JDG to OSN: distance & flight time
Seogwipo (Jeongseok Airport) → Osan (Osan Air Base)
256 mi
411 km · 222 nm
1h 8m
estimated nonstop flight time
Same time
time difference · heading north
See live JDG→OSN fares Phone-only fares on this route — call free
Flight time details
256 miles nonstop takes roughly 1h 8m gate to gate, flying north. 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
- JDG — Jeongseok Airport · Seogwipo, 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 JDG
- CJU · Jeju International Airport15 mi away
- MPK · Mokpo Heliport96 mi away
- RSU · Yeosu Airport112 mi away
- MWX · Muan International Airport112 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 JDG from OSN?
The flight distance from Seogwipo (JDG) to Osan (OSN) is 256 miles (411 km, 222 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from JDG to OSN?
A nonstop flight takes about 1h 8m 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 JDG to OSN?
Nonstop service on JDG–OSN 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 1h 8m nonstop estimate.
What is the cheapest way to fly from JDG to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on JDG–OSN that never appear on search engines, with no booking fees.
Why are some JDG to OSN fares phone-only?
Consolidator contracts let us sell certain JDG–OSN 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.