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KKC to USN: distance & flight time
Khon Kaen (Khon Kaen Airport) → Ulsan (Ulsan Airport)
2,101 mi
3,381 km · 1,826 nm
4h 35m
estimated nonstop flight time
+2h
time difference · heading northeast
See live KKC→USN fares Phone-only fares on this route — call free
Flight time details
2,101 miles nonstop takes roughly 4h 35m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- KKC — Khon Kaen Airport · Khon Kaen, Thailand
- 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 KKC
- UTH · Udon Thani Airport64 mi away
- ROI · Roi Et Airport70 mi away
- BFV · Buri Ram Airport91 mi away
- LOE · Loei Airport97 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 KKC from USN?
The flight distance from Khon Kaen (KKC) to Ulsan (USN) is 2,101 miles (3,381 km, 1,826 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KKC to USN?
A nonstop flight takes about 4h 35m 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 time difference between Khon Kaen and Ulsan?
Ulsan is 2 hours ahead of Khon Kaen.
What is the cheapest way to fly from KKC to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KKC–USN that never appear on search engines, with no booking fees.