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KWJ to USM: distance & flight time
Kwangju (Gwangju Airport) → Ko Samui (Samui Airport)
2,442 mi
3,930 km · 2,122 nm
5h 15m
estimated nonstop flight time
-2h
time difference · heading southwest
See live KWJ→USM fares Phone-only fares on this route — call free
Flight time details
2,442 miles nonstop takes roughly 5h 15m 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
- KWJ — Gwangju Airport · Kwangju, South Korea
- USM — Samui Airport · Ko Samui, Thailand
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 KWJ
- MWX · Muan International Airport26 mi away
- MPK · Mokpo Heliport35 mi away
- RSU · Yeosu Airport50 mi away
- CHN · Jeon Ju Airport (G-703)55 mi away
Near USM
- URT · Surat Thani Airport69 mi away
- NST · Nakhon Si Thammarat Airport70 mi away
- CJM · Chumphon Airport93 mi away
- UNN · Ranong Airport102 mi away
Frequently asked questions
How far is KWJ from USM?
The flight distance from Kwangju (KWJ) to Ko Samui (USM) is 2,442 miles (3,930 km, 2,122 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KWJ to USM?
A nonstop flight takes about 5h 15m 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 Kwangju and Ko Samui?
Ko Samui is 2 hours behind Kwangju.
What is the cheapest way to fly from KWJ to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KWJ–USM that never appear on search engines, with no booking fees.