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SYH to USM: distance & flight time
Syangboche (Syangboche Airport) → Ko Samui (Samui Airport)
1,532 mi
2,465 km · 1,331 nm
3h 28m
estimated nonstop flight time
+1.3h
time difference · heading southeast
See live SYH→USM fares Phone-only fares on this route — call free
Flight time details
1,532 miles nonstop takes roughly 3h 28m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.3-hour time gain when reading arrival times on your ticket.
The two airports
- SYH — Syangboche Airport · Syangboche, Nepal
- 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 SYH
- LUA · Lukla Airport9 mi away
- PPL · Phaplu Airport22 mi away
- RUM · Rumjatar Airport36 mi away
- LDN · Lamidanda Airport39 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 SYH from USM?
The flight distance from Syangboche (SYH) to Ko Samui (USM) is 1,532 miles (2,465 km, 1,331 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SYH to USM?
A nonstop flight takes about 3h 28m 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 Syangboche and Ko Samui?
Ko Samui is 1.3 hours ahead of Syangboche.
What is the cheapest way to fly from SYH to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SYH–USM that never appear on search engines, with no booking fees.