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USM to SYX: distance & flight time
Ko Samui (Samui Airport) → Sanya (Sanya Phoenix International Airport)
871 mi
1,401 km · 757 nm
2h 22m
estimated nonstop flight time
+1h
time difference · heading northeast
See live USM→SYX fares Phone-only fares on this route — call free
Flight time details
871 miles nonstop takes roughly 2h 22m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- USM — Samui Airport · Ko Samui, Thailand
- SYX — Sanya Phoenix International Airport · Sanya, China
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 USM
- URT · Surat Thani Airport69 mi away
- NST · Nakhon Si Thammarat Airport70 mi away
- CJM · Chumphon Airport93 mi away
- UNN · Ranong Airport102 mi away
Near SYX
- BAR · Qionghai Bo'ao Airport89 mi away
- HAK · Haikou Meilan International Airport132 mi away
Frequently asked questions
How far is USM from SYX?
The flight distance from Ko Samui (USM) to Sanya (SYX) is 871 miles (1,401 km, 757 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to SYX?
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 Ko Samui and Sanya?
Sanya is 1 hour ahead of Ko Samui.
What is the cheapest way to fly from USM to SYX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–SYX that never appear on search engines, with no booking fees.