Cheap flights from Siem Reap to Sihanoukville

One-way fares from $132 · SAI → KOS · prices found by travellers in the last 48 hours

Compare all dates Sihanoukville → Siem Reap
Cheapest fare
$132

Air Cambodia · Wed, Jan 13

Cheapest month
January

from $132

Direct flights
Yes

Air Cambodia

Flight time
1h 00m

310 km

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Cheapest month to fly from Siem Reap to Sihanoukville

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $140
  2. December 2026 $140
  3. January 2027 Cheapest $132
  4. February 2027 $139
  5. March 2027 $137

Cheapest dates in January 2027

The lowest fares we've seen for each day, cheapest first.

Air Cambodia
Depart15:00 Wed, Jan 13SAI → KOS 1h 00m · Direct
$132one way, per person
View deal
Air Cambodia
Depart09:15 Sat, Jan 16SAI → KOS 1h 05m · Direct
$144one way, per person
View deal
Air Cambodia
Depart09:15 Sun, Jan 31SAI → KOS 1h 05m · Direct
$155one way, per person
View deal
Air Cambodia
Depart09:15 Tue, Jan 12SAI → KOS 1h 05m · Direct
$157one way, per person
View deal
Air Cambodia
Depart09:15 Fri, Jan 22SAI → KOS 1h 05m · Direct
$158one way, per person
View deal
Air Cambodia
Depart09:15 Sat, Jan 23SAI → KOS 1h 05m · Direct
$158one way, per person
View deal
Air Cambodia
Depart09:15 Sun, Jan 24SAI → KOS 1h 05m · Direct
$158one way, per person
View deal
Air Cambodia
Depart09:15 Fri, Jan 15SAI → KOS 1h 05m · Direct
$180one way, per person
View deal
See every date in January 2027 →

Plan the rest of your trip to Sihanoukville

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in SihanoukvilleCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in SihanoukvilleTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in SihanoukvillePre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in SihanoukvilleCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Siem Reap to Sihanoukville

Siem Reap (SAI) and Sihanoukville (KOS) are about 310 km apart. Direct flights take around 1h 00m, and recent direct fares were with Air Cambodia. Over the next few months, one-way fares start from $132, and January 2027 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Siem Reap to Sihanoukville?

The cheapest one-way fare we've seen recently is $132 with Air Cambodia, departing Wednesday, January 13, 2027. Over the coming months, the lowest fare in each month ranges from $132 to $140.

What is the cheapest month to fly from Siem Reap to Sihanoukville?

January 2027 currently has the lowest fares, from $132 one way.

Are there direct flights from Siem Reap to Sihanoukville?

Yes. Recent direct fares were with Air Cambodia.

How long is the flight from Siem Reap to Sihanoukville?

A direct flight takes about 1h 00m. Siem Reap and Sihanoukville are around 310 km apart.

Which airlines fly from Siem Reap to Sihanoukville?

Recent fares on this route were with Air Cambodia and AirAsia Cambodia.

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