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UBJ to USN: distance & flight time
Yamaguchi (Yamaguchi Ube Airport) → Ulsan (Ulsan Airport)
159 mi
255 km · 138 nm
53m
estimated nonstop flight time
Same time
time difference · heading northwest
See live UBJ→USN fares Phone-only fares on this route — call free
Flight time details
159 miles nonstop takes roughly 53m 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
- UBJ — Yamaguchi Ube Airport · Yamaguchi, Japan
- USN — Ulsan Airport · Ulsan, 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 UBJ
- KKJ · Kitakyūshū Airport15 mi away
- OIT · Oita Airport41 mi away
- FUK · Fukuoka Airport53 mi away
- IWK · Iwakuni Marine Corps Air Station57 mi away
Near USN
- KPO · Pohang Airport (G-815/K-3)28 mi away
- PUS · Gimhae International Airport37 mi away
- TAE · Daegu Airport44 mi away
- CHF · Jinhae Airbase/Airport (G-813/K-10)48 mi away
Frequently asked questions
How far is UBJ from USN?
The flight distance from Yamaguchi (UBJ) to Ulsan (USN) is 159 miles (255 km, 138 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UBJ to USN?
A nonstop flight takes about 53m 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 UBJ to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UBJ–USN that never appear on search engines, with no booking fees.