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SYH to KOS: distance & flight time
Syangboche (Syangboche Airport) → Sihanoukville (Sihanoukville International Airport)
1,620 mi
2,607 km · 1,408 nm
3h 39m
estimated nonstop flight time
+1.3h
time difference · heading southeast
See live SYH→KOS fares Phone-only fares on this route — call free
Flight time details
1,620 miles nonstop takes roughly 3h 39m 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
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
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 KOS
- PQC · Phu Quoc International Airport37 mi away
- PNH · Phnom Penh International Airport106 mi away
- VKG · Rach Gia Airport110 mi away
- KZC · Kampong Chhnang Airport132 mi away
Frequently asked questions
How far is SYH from KOS?
The flight distance from Syangboche (SYH) to Sihanoukville (KOS) is 1,620 miles (2,607 km, 1,408 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SYH to KOS?
A nonstop flight takes about 3h 39m 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 Sihanoukville?
Sihanoukville is 1.3 hours ahead of Syangboche.
What is the cheapest way to fly from SYH to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SYH–KOS that never appear on search engines, with no booking fees.