Need help booking?
Unpublished phone-only deals available
SYX to USM: distance & flight time
Sanya (Sanya Phoenix International Airport) → Ko Samui (Samui Airport)
871 mi
1,401 km · 757 nm
2h 22m
estimated nonstop flight time
-1h
time difference · heading southwest
See live SYX→USM fares Phone-only fares on this route — call free
Flight time details
871 miles nonstop takes roughly 2h 22m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- SYX — Sanya Phoenix International Airport · Sanya, China
- 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 SYX
- BAR · Qionghai Bo'ao Airport89 mi away
- HAK · Haikou Meilan International Airport132 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 SYX from USM?
The flight distance from Sanya (SYX) to Ko Samui (USM) is 871 miles (1,401 km, 757 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SYX to USM?
A nonstop flight takes about 2h 22m 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 Sanya and Ko Samui?
Ko Samui is 1 hour behind Sanya.
What is the cheapest way to fly from SYX to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SYX–USM that never appear on search engines, with no booking fees.