Sihanoukville (KOS) to Siem Reap (SAI) flights
One airline flies nonstop from Sihanoukville (KOS) to Siem Reap (SAI): Air Cambodia. The two airports are 196 miles (316 km) apart. There are also 1 way to fly it with one stop, through Ho Chi Minh City.
Airlines flying nonstop from KOS to SAI
- K6Air CambodiaNot in an alliance
KOS to SAI with one stop
1 connection, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Ho Chi Minh City (SGN)Air Cambodia the whole wayK6K6

KOS to SAI: common questions
Which airlines fly nonstop from KOS to SAI?
Air Cambodia flies nonstop from Sihanoukville (KOS) to Siem Reap (SAI).
How far is Sihanoukville from Siem Reap by plane?
Sihanoukville (KOS) and Siem Reap (SAI) are 196 miles (316 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does KOS to SAI cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for KOS to SAI with taxes and fees.
Where can I connect between Sihanoukville and Siem Reap?
The most direct connections are through Ho Chi Minh City (SGN). On 1 of them the same airline flies both flights, for example Air Cambodia through Ho Chi Minh City.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.