Cheap Flights from Sihanoukville to Siem Reap–Angkor

Compare Sihanoukville to Siem Reap–Angkor flight deals

Find the cheapest month or even day of the year to fly to Siem Reap–Angkor

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Flight deals from Sihanoukville to Siem Reap–Angkor

Looking for a cheap last-minute deal or the best return flight from Sihanoukville Airport to Siem Reap–Angkor Airport? If you want to travel next month, return fares start from R 1,774. Find the lowest prices on one-way and return tickets right here.

Siem Reap.R 626 per passenger.Departing Sat, 19 Sep.One-way flight with Air Cambodia.Outbound direct flight with Air Cambodia departs from Sihanoukville on Sat, 19 Sep, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 626, select.

Siem Reap.R 857 per passenger.Departing Sat, 25 Jul.One-way flight with Cambodia Airways.Outbound direct flight with Cambodia Airways departs from Sihanoukville on Sat, 25 Jul, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 857, select.

Siem Reap.R 858 per passenger.Departing Tue, 11 Aug.One-way flight with Air Cambodia.Outbound direct flight with Air Cambodia departs from Sihanoukville on Tue, 11 Aug, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 858, select.

Siem Reap.R 1,062 per passenger.Departing Fri, 6 Nov.One-way flight with Air Cambodia.Outbound direct flight with Air Cambodia departs from Sihanoukville on Fri, 6 Nov, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 1,062, select.

Siem Reap.R 1,120 per passenger.Departing Tue, 29 Dec.One-way flight with Air Cambodia.Outbound direct flight with Air Cambodia departs from Sihanoukville on Tue, 29 Dec, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 1,120, select.

Siem Reap.R 1,182 per passenger.Departing Thu, 15 Oct.One-way flight with Cambodia Airways.Outbound direct flight with Cambodia Airways departs from Sihanoukville on Thu, 15 Oct, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 1,182, select.

Siem Reap.R 1,322 per passenger.Departing Sat, 27 Mar.One-way flight with Air Cambodia.Outbound direct flight with Air Cambodia departs from Sihanoukville on Sat, 27 Mar, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 1,322, select.

Siem Reap.R 1,331 per passenger.Departing Tue, 16 Feb.One-way flight with Air Cambodia.Outbound direct flight with Air Cambodia departs from Sihanoukville on Tue, 16 Feb, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 1,331, select.

Siem Reap.R 1,487 per passenger.Departing Wed, 6 Jan.One-way flight with Air Cambodia.Outbound direct flight with Air Cambodia departs from Sihanoukville on Wed, 6 Jan, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 1,487, select.

Siem Reap.R 1,690 per passenger.Departing Thu, 1 Apr.One-way flight with Air Cambodia.Outbound direct flight with Air Cambodia departs from Sihanoukville on Thu, 1 Apr, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 1,690, select.

Find the cheapest month to fly from Sihanoukville to Siem Reap–Angkor

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sihanoukville to Siem Reap–Angkor flights are currently cheapest in September.

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Direct flights from Sihanoukville to Siem Reap–Angkor

Sihanoukville to Siem Reap–Angkor : Alternative routes

Compare routes from Sihanoukville to Siem Reap below. You may find an airport to fly into that's cheaper, faster, or easier than Siem Reap–Angkor .

Siem Reap–Angkor

41km from central Siem Reap

ClosestCheapest

from R 626

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Sihanoukville to Siem Reap: Flight information

The things to know before you go.

Cheapest flight found	R 626
Cheapest month to fly	September
Average flight time	1 hr, 3 mins
Most popular airline	Air Cambodia
Average flights per week	20

Finding cheap flights from Sihanoukville to Siem Reap–Angkor : Frequently asked questions

How much are return flights from Sihanoukville to Siem Reap–Angkor ?

The best price we found for a return flight from Sihanoukville to Siem Reap–Angkor is R 1,549. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Sihanoukville to Siem Reap–Angkor ?

1 hour and 3 minutes is the average flight time from Sihanoukville to Siem Reap–Angkor .

Which airlines fly direct from Sihanoukville to Siem Reap–Angkor ?

Air Cambodia, Vietnam Airlines and Cambodia Airways fly direct from Sihanoukville to Siem Reap–Angkor .

How many flights are there a week from Sihanoukville to Siem Reap–Angkor ?

As of July 2026, there are 20 flights per week flying from Sihanoukville to Siem Reap–Angkor .

When is the cheapest time to fly from Sihanoukville to Siem Reap–Angkor ?

The cheapest month to fly from Sihanoukville to Siem Reap–Angkor is usually July.

Which upcoming date is cheapest to fly from Sihanoukville Airport to Siem Reap–Angkor Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sihanoukville Airport to Siem Reap–Angkor Airport on Saturday, 25 July 2026.

Can I get a direct flight from Sihanoukville Airport to Siem Reap–Angkor Airport?

Yes – the average flight time is 1 hour and 3 minutes.

How can I find the best flight deal to Siem Reap–Angkor ?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Siem Reap–Angkor but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Siem Reap?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Siem Reap is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Sihanoukville Airport to Siem Reap–Angkor with?

Currently, Cambodia Airways offers the cheapest flight tickets to Siem Reap–Angkor .

Flying from Sihanoukville Airport (KOS) to Siem Reap–Angkor Airport (SAI): what you need to know

The average time for a direct flight from Sihanoukville Airport to Siem Reap–Angkor Airport is 1 hour.
Siem Reap's timezone is UTC+7, which is the same as Sihanoukville.
Every week, there are nine Sihanoukville Airport to Siem Reap–Angkor Airport flights. If you'd like to take off as early as possible, take the 11:05 Cambodia Angkor Air flight. If you're eager to make the most of your time before flying, the last departure is at 13:40 with Cambodia Angkor Air.
Arrive at the airport on time so you don't miss your KOS to SAI flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid a last-minute sprint to the gate.
Be prepared for longer queues in popular months like January. Arriving up to four hours in advance for an international flight and two hours for a domestic departure will give you ample time for security and boarding.
Cambodia Angkor Air offers direct flights from Sihanoukville Airport to Siem Reap–Angkor Airport. Book with this popular airline, then get ready to see the sights in Siem Reap — and maybe even more of Cambodia if time allows.
Most travellers choose to fly with Cambodia Angkor Air on this route.
If you'd like to discover another city along the way, consider a flight with a stopover. To see all your options for tickets from Sihanoukville Airport to Siem Reap–Angkor Airport, uncheck 'Direct flights only.' Ho Chi Minh City Airport is a sought-after stop between KOS and SAI.

How to find the cheapest flights from Sihanoukville Airport (KOS) to Siem Reap–Angkor Airport (SAI)

R 626 is currently the best price for a one-way Sihanoukville Airport to Siem Reap–Angkor Airport flight. A return flight starts from R 1,549. These fares can change depending on demand.
It's usually smart to book in advance if you're looking for cheap tickets from KOS to SAI. That's because flight prices are based on demand, which tends to increase closer to the date of departure.
The cheapest month for flights from Sihanoukville Airport to Siem Reap–Angkor Airport is May. Use the 'Whole month' tool to find the lowest prices if you have flexible dates.
Snapping up cheap flights from KOS to SAI is a piece of cake with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you as soon as a new deal comes up.
Tailor your flights using filters. Select your arrival and departure times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Sihanoukville Airport to Siem Reap–Angkor Airport.

Handy information about Sihanoukville Airport (KOS)

60% of flights taking off from Sihanoukville Airport arrive at their destination on schedule.
Central Sihanoukville to Sihanoukville Airport is around 18 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're driving, ride-sharing or catching a taxi.
Expect a journey time of around 35 minutes when using public transport.
Got an early flight from Sihanoukville Airport to Siem Reap–Angkor Airport? Stay somewhere close to KOS, like Chhay Ing Guesthouse. Chamka Pich Bungalow & Restaurant will also have you moments from the departure gate.

When to fly to Siem Reap–Angkor Airport (SAI)

December is the busiest month for flights from Sihanoukville Airport to Siem Reap–Angkor Airport. To escape the crowds, go to Siem Reap in June.
Before locking in your flight from Sihanoukville Airport to Siem Reap–Angkor Airport, think about the kind of weather you like. March is the warmest month in Siem Reap, with the temperature ranging from 22ºC (72ºF) to 38ºC (100ºF).
If you like travelling in cooler conditions, search for a cheap ticket from KOS to SAI in January. Average temperatures are between 18ºC (64ºF) and 33ºC (91ºF) then.

Explore more of Cambodia

Phnom Penh is just one of the many cities in Cambodia waiting to be explored once you've seen Siem Reap. Around 225 kilometres away to the south-east, its best attractions include Royal Palace, Genocide museum and Documentation Centre of Cambodia.
Around 306 kilometres south of Siem Reap, Sihanoukville is another essential stop in Cambodia. No visit is complete without checking out Otres Beach, Independence Beach and Sokha Beach.