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USN to LSX: distance & flight time
Ulsan (Ulsan Airport) → Lhok Sukon (Lhok Sukon Airport)
2,934 mi
4,722 km · 2,550 nm
6h 13m
estimated nonstop flight time
-2h
time difference · heading southwest
See live USN→LSX fares Phone-only fares on this route — call free
Flight time details
2,934 miles nonstop takes roughly 6h 13m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- USN — Ulsan Airport · Ulsan, South Korea
- LSX — Lhok Sukon Airport · Lhok Sukon, Indonesia
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 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
Near LSX
- LSW · Malikus Saleh Airport24 mi away
- MEQ · Seunagan Airport91 mi away
- BTJ · Sultan Iskandar Muda International Airport130 mi away
- MES · Soewondo Air Force Base143 mi away
Frequently asked questions
How far is USN from LSX?
The flight distance from Ulsan (USN) to Lhok Sukon (LSX) is 2,934 miles (4,722 km, 2,550 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to LSX?
A nonstop flight takes about 6h 13m 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 USN to LSX?
Nonstop service on USN–LSX 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 6h 13m nonstop estimate.
What is the time difference between Ulsan and Lhok Sukon?
Lhok Sukon is 2 hours behind Ulsan.
What is the cheapest way to fly from USN to LSX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–LSX that never appear on search engines, with no booking fees.
Why are some USN to LSX fares phone-only?
Consolidator contracts let us sell certain USN–LSX 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.