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XSP to KOS: distance & flight time
Singapore (Seletar Airport) → Sihanoukville (Sihanoukville International Airport)
633 mi
1,019 km · 550 nm
1h 51m
estimated nonstop flight time
-1h
time difference · heading north
See live XSP→KOS fares Phone-only fares on this route — call free
Flight time details
633 miles nonstop takes roughly 1h 51m gate to gate, flying north. 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
- XSP — Seletar Airport · Singapore, Singapore
- 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 XSP
- SIN · Singapore Changi Airport10 mi away
- QPG · Paya Lebar Air Base5 mi away
- TGA · Tengah Air Base11 mi away
- JHB · Senai International Airport21 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 XSP from KOS?
The flight distance from Singapore (XSP) to Sihanoukville (KOS) is 633 miles (1,019 km, 550 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from XSP to KOS?
A nonstop flight takes about 1h 51m 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 Singapore and Sihanoukville?
Sihanoukville is 1 hour behind Singapore.
What is the cheapest way to fly from XSP to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on XSP–KOS that never appear on search engines, with no booking fees.