Direct (nonstop) flights from Sihanoukville to Siem Reap
1 airline flys nonstop from Sihanoukville (KOS) to Siem Reap-Ankor International Airport (SAI). It's 195 miles (314 km), about 1h in the air. Operated by Air Cambodia.
Air Cambodia
Route data last updated: May 31, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Sihanoukville to Siem Reap with one stop · direct emits 36 kg CO₂ per passenger
Looking for the return flight?
SAI → KOS: Flights from Siem Reap to SihanoukvilleOther direct flights from Sihanoukville
Direct flights from Siem Reap (SAI)
Frequently Asked Questions
How long is the direct flight from Sihanoukville to Siem Reap?
A nonstop flight from Sihanoukville (KOS) to Siem Reap (SAI) takes approximately 1 hours. The distance is 195 miles (314 km).
Which airlines fly nonstop from Sihanoukville to Siem Reap?
Just Air Cambodia.
Is there a nonstop flight from Sihanoukville to Siem Reap?
Yes. 1 airline: Air Cambodia.
How far is Sihanoukville from Siem Reap?
The flight distance from Sihanoukville to Siem Reap is 195 miles (314 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Washington DC.
What type of aircraft flies from Sihanoukville to Siem Reap?
At 1h, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Sihanoukville to Siem Reap?
Roughly 36 kg CO2 per passenger one-way. That's about the same as driving 180 km.
Is the return flight from Siem Reap to Sihanoukville also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Sihanoukville to Siem Reap?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. For long-haul, booking 2-3 months out tends to help. Use "Check Prices" above to compare.
How early should I arrive at Sihanoukville for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.