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Flights between Sihanoukville (KOS) and Siem-reap (REP)

Sihanoukville International Airport, Cambodia ↔ Siem Reap International Airport, Cambodia

A direct route between Sihanoukville and Siem-reap appears in the OpenFlights route network.

This reflects historical scheduled service and may be out of date — it is not a live timetable.

Airlines that have operated this route include:

K6
Distance
315 km
196 miles
Est. flight time
54m
great-circle estimate
Time difference
None
varies with DST
View this route on the live map →Search fares on Skyscanner ↗

Climate

Typical monthly temperatures in Cambodia

Jan
31°
36/26
10mm
Feb
32°
37/27
10mm
Mar
34°
39/29
30mm
Apr
35°
40/30
75mm
May
34°
39/29
160mm
Jun
33°
38/28
165mm
Jul
32°
37/27
175mm
Aug
32°
37/27
175mm
Sep
31°
36/26
250mm
Oct
31°
36/26
250mm
Nov
30°
35/25
130mm
Dec
30°
35/25
30mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Typical monthly temperatures in Cambodia

Jan
31°
36/26
10mm
Feb
32°
37/27
10mm
Mar
34°
39/29
30mm
Apr
35°
40/30
75mm
May
34°
39/29
160mm
Jun
33°
38/28
165mm
Jul
32°
37/27
175mm
Aug
32°
37/27
175mm
Sep
31°
36/26
250mm
Oct
31°
36/26
250mm
Nov
30°
35/25
130mm
Dec
30°
35/25
30mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Common questions

How far is Sihanoukville from Siem-reap?

Sihanoukville (KOS) and Siem-reap (REP) are around 315 km (196 miles) apart — an estimated 54m by air. Distances and flight times are great-circle estimates.

Which airlines have operated the KOS–REP route?

Airlines recorded operating this route in the OpenFlights network include K6. This reflects historical scheduled service and may be out of date.

What is the time difference between Sihanoukville and Siem-reap?

Both airports keep the same time — no time difference.

When is it warmest in Cambodia?

Across Cambodia, the warmest month on average is April, with mean temperatures around 35°C. These are country-level monthly climate normals, not airport-specific.

Distances and flight times are great-circle estimates, not booked block times.