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RSU to USM: distance & flight time
Yeosu (Yeosu Airport) → Ko Samui (Samui Airport)
2,465 mi
3,967 km · 2,142 nm
5h 18m
estimated nonstop flight time
-2h
time difference · heading southwest
See live RSU→USM fares Phone-only fares on this route — call free
Flight time details
2,465 miles nonstop takes roughly 5h 18m 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
- RSU — Yeosu Airport · Yeosu, 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 RSU
- HIN · Sacheon Air Base/Airport31 mi away
- KWJ · Gwangju Airport50 mi away
- CHF · Jinhae Airbase/Airport (G-813/K-10)64 mi away
- MPK · Mokpo Heliport70 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 RSU from USM?
The flight distance from Yeosu (RSU) to Ko Samui (USM) is 2,465 miles (3,967 km, 2,142 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RSU to USM?
A nonstop flight takes about 5h 18m 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 Yeosu and Ko Samui?
Ko Samui is 2 hours behind Yeosu.
What is the cheapest way to fly from RSU to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RSU–USM that never appear on search engines, with no booking fees.