Need help booking?
Unpublished phone-only deals available
CHS to USN: distance & flight time
Charleston (Charleston Air Force Base-International Airport) → Ulsan (Ulsan Airport)
7,337 mi
11,807 km · 6,375 nm
14h 51m
estimated nonstop flight time
+13h
time difference · heading northwest
See live CHS→USN fares Phone-only fares on this route — call free
Flight time details
7,337 miles nonstop takes roughly 14h 51m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- CHS — Charleston Air Force Base-International Airport · Charleston, United States
- 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 CHS
- BFT · Beaufort County Airport48 mi away
- GGE · Georgetown County Airport51 mi away
- HHH · Hilton Head Airport60 mi away
- OGB · Orangeburg Municipal Airport61 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 CHS from USN?
The flight distance from Charleston (CHS) to Ulsan (USN) is 7,337 miles (11,807 km, 6,375 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CHS to USN?
A nonstop flight takes about 14h 51m 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 CHS to USN?
Nonstop service on CHS–USN 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 14h 51m nonstop estimate.
What is the time difference between Charleston and Ulsan?
Ulsan is 13 hours ahead of Charleston.
What is the cheapest way to fly from CHS to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CHS–USN that never appear on search engines, with no booking fees.
Why are some CHS to USN fares phone-only?
Consolidator contracts let us sell certain CHS–USN 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.