What is the most punctual flight time for Siem Reap to Krong Preah Sihanouk flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Siem Reap to Krong Preah Sihanouk flights?

Over the past year, Cambodia Angkor Air have had the lowest number of delays on this route, with just 12% of flights being delayed.

How popular is this Siem Reap to Krong Preah Sihanouk flight route?

This flight path from Siem Reap–Angkor Intl to Krong Preah Sihanouk Sihanoukville was viewed by 11 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How long is the flight from Siem Reap to Krong Preah Sihanouk?

There are many flights that can get you from Siem Reap to Krong Preah Sihanouk in 1h 10m. Fly via Cambodia Angkor Air to get the fastest option. Airlines will cover a distance of 197 mi. All flights are typically direct.

What is the cheapest airline to fly from Siem Reap to Krong Preah Sihanouk round-trip?

Currently priced at £75, Cambodia Angkor Air will fly you from Siem Reap to Krong Preah Sihanouk and back. In addition to Cambodia Angkor Air, many other airlines offer competitively priced options for your trip. Cambodia Angkor Air is currently priced 41% below the average price you’ll pay for this route.

Weekly flight availability from Siem Reap to Krong Preah Sihanouk

The most flights from SAI to KOS are scheduled on a Friday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

What are the most reliable airlines from Siem Reap to Krong Preah Sihanouk?

Before booking your flight to Krong Preah Sihanouk from Siem Reap, check out the most reliable airlines to get you to your destination on time: Vietnam Airlines (96%), Cambodia Angkor Air (96%), Cambodia Airways( 82%).

What airports do I use to fly from Siem Reap to Krong Preah Sihanouk?

If you wish to fly to Krong Preah Sihanouk from Siem Reap, then you need to book flights from Siem Reap–Angkor Intl to Krong Preah Sihanouk Sihanoukville. There is 1 flight from Siem Reap–Angkor Intl (SAI) to Sihanoukville (KOS) per day to choose from. Flights to Krong Preah Sihanouk from Siem Reap–Angkor Intl are available from 1 airline, which means you should have some options if you want to compare airfare deals. 1h 05m is how long a nonstop flight from Siem Reap to Krong Preah Sihanouk Sihanoukville typically takes.

How can I find direct flights from Siem Reap to Krong Preah Sihanouk?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Siem Reap to Krong Preah Sihanouk.

Can I find deals for business class flights from Siem Reap to Krong Preah Sihanouk?

Yes. Cheapflights offers flight deals from Siem Reap to Krong Preah Sihanouk by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£71+ Cheap Flights from Siem Reap, Cambodia to Krong Preah Sihanouk

Q: How often are flights from Siem Reap to Krong Preah Sihanouk delayed?

About 11% of weekly flights between Siem Reap and Krong Preah Sihanouk have experienced delays in the past year, with the average delay time being 81 minutes.

Cheap flight deals from Siem Reap to Krong Preah Sihanouk

Enter your travel dates to find the best prices.

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Cheapest flights from Siem Reap to Krong Preah Sihanouk
Explore the most affordable flight options available from Siem Reap to Krong Preah Sihanouk. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 September 2026.

Tue 6/1009:25 -

Nonstop1h 05m

Wed 14/1013:35 -

Nonstop0h 55m

Deal found 5/9£137

Fri 2/1009:25 -

Nonstop1h 05m

Sat 10/1011:20 -

Nonstop1h 05m

Deal found 5/9£142

Mon 5/1009:25 -

Nonstop1h 10m

Sat 10/1011:20 -

Nonstop1h 05m

Deal found 5/9£148

Sun 15/1116:15 -

Nonstop1h 05m

Wed 25/1117:50 -

Nonstop1h 00m

Deal found 9/9£150

Tue 20/1009:25 -

Nonstop1h 05m

Sat 24/1011:20 -

Nonstop1h 05m

Deal found 6/9£154

Sat 17/1009:25 -

Nonstop1h 10m

Thu 22/1013:35 -

Nonstop0h 55m

Deal found 6/9£156

Tue 20/1009:25 -

Nonstop1h 05m

Sun 25/1017:50 -

Nonstop1h 00m

Deal found 6/9£162

Sun 4/1009:40 -

Nonstop1h 05m

Wed 14/1013:35 -

Nonstop0h 55m

Deal found 5/9£165

Wed 21/1011:55 -

Nonstop1h 10m

Sat 24/1011:20 -

Nonstop1h 05m

Deal found 6/9£170

Mon 19/1009:25 -

Nonstop1h 10m

Fri 23/1011:00 -

Nonstop1h 00m

Deal found 6/9£173

Wed 21/1011:55 -

Nonstop1h 10m

Tue 27/1017:50 -

Nonstop1h 00m

Deal found 6/9£179

Mon 19/1009:25 -

Nonstop1h 10m

Tue 27/1017:50 -

Nonstop1h 00m

Deal found 6/9£187

Find flight deals from Siem Reap to Krong Preah Sihanouk

Round-trip from	£137
One-way from	£71
Popular in	April
Cheapest in	August
Average price	£96

Cambodia Angkor Air
6/10-11/10
Nonstop
2h 10m total
Siem Reap to Krong Preah Sihanouk

Search Deals

Cambodia Angkor Air
10/11-31/12
Nonstop
1h 05m total
Siem Reap to Krong Preah Sihanouk

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£4 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£4 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Siem Reap to Krong Preah Sihanouk that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

Siem ReapKrong Preah Sihanouk

SAI Siem Reap–Angkor Intl - KOS Krong Preah Sihanouk Sihanoukville

SAIKOS

Siem Reap–Angkor Intl

Tue 10/11

16:15-17:20

Nonstop1h 05m

Krong Preah Sihanouk Sihanoukville

Wed 31/12

00:00-00:00

Nonstop0h 00m

£71

Siem ReapKrong Preah Sihanouk

SAI Siem Reap–Angkor Intl - KOS Krong Preah Sihanouk Sihanoukville

SAIKOS

Siem Reap–Angkor Intl

Thu 29/10

16:15-17:20

Nonstop1h 05m

Krong Preah Sihanouk Sihanoukville

Wed 31/12

00:00-00:00

Nonstop0h 00m

£83

Siem ReapKrong Preah Sihanouk

SAI Siem Reap–Angkor Intl - KOS Krong Preah Sihanouk Sihanoukville

SAIKOS

Siem Reap–Angkor Intl

Fri 9/10

09:25-10:30

Nonstop1h 05m

Krong Preah Sihanouk Sihanoukville

Wed 31/12

00:00-00:00

Nonstop0h 00m

£87

Siem ReapKrong Preah Sihanouk

SAI Siem Reap–Angkor Intl - KOS Krong Preah Sihanouk Sihanoukville

SAIKOS

Siem Reap–Angkor Intl

Mon 12/10

09:25-10:35

Nonstop1h 10m

Krong Preah Sihanouk Sihanoukville

Wed 31/12

00:00-00:00

Nonstop0h 00m

£87

Siem ReapKrong Preah Sihanouk

SAI Siem Reap–Angkor Intl - KOS Krong Preah Sihanouk Sihanoukville

SAIKOS

Siem Reap–Angkor Intl

Mon 1/3

12:30-13:35

Nonstop1h 05m

Krong Preah Sihanouk Sihanoukville

Wed 31/12

00:00-00:00

Nonstop0h 00m

£92

Siem ReapKrong Preah Sihanouk

SAI Siem Reap–Angkor Intl - KOS Krong Preah Sihanouk Sihanoukville

SAIKOS

Siem Reap–Angkor Intl

Wed 20/1

12:30-13:35

Nonstop1h 05m

Krong Preah Sihanouk Sihanoukville

Wed 31/12

00:00-00:00

Nonstop0h 00m

£92

Siem ReapKrong Preah Sihanouk

SAI Siem Reap–Angkor Intl - KOS Krong Preah Sihanouk Sihanoukville

SAIKOS

Siem Reap–Angkor Intl

Mon 30/11

16:15-17:20

Nonstop1h 05m

Krong Preah Sihanouk Sihanoukville

Wed 31/12

00:00-00:00

Nonstop0h 00m

£92

Siem ReapKrong Preah Sihanouk

SAI Siem Reap–Angkor Intl - KOS Krong Preah Sihanouk Sihanoukville

SAIKOS

Siem Reap–Angkor Intl

Thu 11/2

12:30-13:35

Nonstop1h 05m

Krong Preah Sihanouk Sihanoukville

Wed 31/12

00:00-00:00

Nonstop0h 00m

£92

Siem ReapKrong Preah Sihanouk

SAI Siem Reap–Angkor Intl - KOS Krong Preah Sihanouk Sihanoukville

SAIKOS

Siem Reap–Angkor Intl

Tue 16/2

12:30-13:35

Nonstop1h 05m

Krong Preah Sihanouk Sihanoukville

Wed 31/12

00:00-00:00

Nonstop0h 00m

£92

Siem ReapKrong Preah Sihanouk

SAI Siem Reap–Angkor Intl - KOS Krong Preah Sihanouk Sihanoukville

SAIKOS

Siem Reap–Angkor Intl

Thu 28/1

12:30-13:35

Nonstop1h 05m

Krong Preah Sihanouk Sihanoukville

Wed 31/12

00:00-00:00

Nonstop0h 00m

£95

Flights are sorted by cheapest return flights first.

Deals found on 5/9

Showing 1-10 of 23 resultsSorted by cheapest first

Best time to book a flight from Siem Reap to Krong Preah Sihanouk

Have a flexible travel schedule? Discover the best time to fly to Krong Preah Sihanouk from Siem Reap with our price prediction graph.

SAI-KOS

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Siem Reap to Krong Preah Sihanouk

Prices

Airlines

Delays

What is the cheapest month to book a flight from Siem Reap to Krong Preah Sihanouk?

Currently, August is the cheapest month in which you can book a flight from Siem Reap to Krong Preah Sihanouk (average of £80). Flying from Siem Reap to Krong Preah Sihanouk in April is currently the most expensive (average of £171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAI to KOS?

When flying from Siem Reap to Krong Preah Sihanouk, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

What airports do I use to fly from Siem Reap to Krong Preah Sihanouk?
If you wish to fly to Krong Preah Sihanouk from Siem Reap, then you need to book flights from Siem Reap–Angkor Intl to Krong Preah Sihanouk Sihanoukville. There is 1 flight from Siem Reap–Angkor Intl (SAI) to Sihanoukville (KOS) per day to choose from. Flights to Krong Preah Sihanouk from Siem Reap–Angkor Intl are available from 1 airline, which means you should have some options if you want to compare airfare deals. 1h 05m is how long a nonstop flight from Siem Reap to Krong Preah Sihanouk Sihanoukville typically takes.
How popular is this Siem Reap to Krong Preah Sihanouk flight route?
This flight path from Siem Reap–Angkor Intl to Krong Preah Sihanouk Sihanoukville was viewed by 11 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from Siem Reap to Krong Preah Sihanouk?
There are many flights that can get you from Siem Reap to Krong Preah Sihanouk in 1h 10m. Fly via Cambodia Angkor Air to get the fastest option. Airlines will cover a distance of 197 mi. All flights are typically direct.
What is the cheapest airline to fly from Siem Reap to Krong Preah Sihanouk round-trip?
Currently priced at £75, Cambodia Angkor Air will fly you from Siem Reap to Krong Preah Sihanouk and back. In addition to Cambodia Angkor Air, many other airlines offer competitively priced options for your trip. Cambodia Angkor Air is currently priced 41% below the average price you’ll pay for this route.
What are the most reliable airlines from Siem Reap to Krong Preah Sihanouk?
Before booking your flight to Krong Preah Sihanouk from Siem Reap, check out the most reliable airlines to get you to your destination on time: Vietnam Airlines (96%), Cambodia Angkor Air (96%), Cambodia Airways( 82%).
Can I find deals for flights from Siem Reap to Krong Preah Sihanouk that include hotel bookings?
Yes. In addition to deals on Siem Reap to Krong Preah Sihanouk flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Siem Reap to Krong Preah Sihanouk?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Siem Reap to Krong Preah Sihanouk.
Can I find deals for business class flights from Siem Reap to Krong Preah Sihanouk?
Yes. Cheapflights offers flight deals from Siem Reap to Krong Preah Sihanouk by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Siem Reap to Krong Preah Sihanouk?
Currently, August is the cheapest month in which you can book a flight from Siem Reap to Krong Preah Sihanouk (average of £80). Flying from Siem Reap to Krong Preah Sihanouk in April is currently the most expensive (average of £171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top airline flying from Siem Reap to Krong Preah Sihanouk

Airline	Cheapest	Average	Flexibility	On-time
Cambodia Angkor Air	Cheapest£75	Average£155	FlexibilityNo cancel fee	On-timeN/A	Search Cambodia Angkor Air flights

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How does Cheapflights help users find flights from Siem Reap to Krong Preah Sihanouk?

Cheapflights helps you search for flights from Siem Reap to Krong Preah Sihanouk via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Siem Reap to Krong Preah Sihanouk?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Krong Preah Sihanouk from Siem Reap.

Can Cheapflights find flights from Siem Reap to Krong Preah Sihanouk with no change fees?

Certainly. Search results for flights to Krong Preah Sihanouk from Siem Reap shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Siem Reap to Krong Preah Sihanouk become cheaper?

Yes, Cheapflights offers price alerts on Siem Reap to Krong Preah Sihanouk flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Siem Reap, Cambodia to Krong Preah Sihanouk from £71

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Siem Reap to Krong Preah Sihanouk

Cheapest flights from Siem Reap to Krong Preah SihanoukExplore the most affordable flight options available from Siem Reap to Krong Preah Sihanouk. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 September 2026.

Explore the most affordable flight options available from Siem Reap to Krong Preah Sihanouk. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 September 2026.

Best flights from Siem Reap to Krong Preah SihanoukDiscover carefully curated flight deals from Siem Reap to Krong Preah Sihanouk that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 September 2026.

Discover carefully curated flight deals from Siem Reap to Krong Preah Sihanouk that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 September 2026.

Direct flights from Siem Reap to Krong Preah SihanoukExplore direct flight options from Siem Reap to Krong Preah Sihanouk based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 September 2026.

Explore direct flight options from Siem Reap to Krong Preah Sihanouk based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 September 2026.

Last-minute flights from Siem Reap to Krong Preah SihanoukDiscover last-minute flight deals from Siem Reap to Krong Preah Sihanouk. Data last updated 9 September 2026 and is based on user searches.

Discover last-minute flight deals from Siem Reap to Krong Preah Sihanouk. Data last updated 9 September 2026 and is based on user searches.

One-way flights from Siem Reap to Krong Preah SihanoukSearch for one-way flight options from Siem Reap to Krong Preah Sihanouk. Find affordable one-way fares based on user searches. Data last updated 9 September 2026.

Search for one-way flight options from Siem Reap to Krong Preah Sihanouk. Find affordable one-way fares based on user searches. Data last updated 9 September 2026.

Find flight deals from Siem Reap to Krong Preah Sihanouk

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Siem Reap to Krong Preah Sihanouk that are best for you.

Best time to book a flight from Siem Reap to Krong Preah Sihanouk

Have a flexible travel schedule? Discover the best time to fly to Krong Preah Sihanouk from Siem Reap with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Siem Reap to Krong Preah Sihanouk?

What is the cheapest time of day to fly from SAI to KOS?

When flying from Siem Reap to Krong Preah Sihanouk, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Siem Reap to Krong Preah Sihanouk

The most flights from SAI to KOS are scheduled on a Friday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

How often are flights from Siem Reap to Krong Preah Sihanouk delayed?

About 11% of weekly flights between Siem Reap and Krong Preah Sihanouk have experienced delays in the past year, with the average delay time being 81 minutes.

What is the most punctual flight time for Siem Reap to Krong Preah Sihanouk flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Siem Reap to Krong Preah Sihanouk flights?

Over the past year, Cambodia Angkor Air have had the lowest number of delays on this route, with just 12% of flights being delayed.

Related info for your journey

What airports do I use to fly from Siem Reap to Krong Preah Sihanouk?

How popular is this Siem Reap to Krong Preah Sihanouk flight route?

How long is the flight from Siem Reap to Krong Preah Sihanouk?

What is the cheapest airline to fly from Siem Reap to Krong Preah Sihanouk round-trip?

What are the most reliable airlines from Siem Reap to Krong Preah Sihanouk?

Can I find deals for flights from Siem Reap to Krong Preah Sihanouk that include hotel bookings?

How can I find direct flights from Siem Reap to Krong Preah Sihanouk?

Can I find deals for business class flights from Siem Reap to Krong Preah Sihanouk?

What is the cheapest month to book a flight from Siem Reap to Krong Preah Sihanouk?

Travelling to a place near Krong Preah Sihanouk?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Krong Preah Sihanouk by adding a car hire and/or hotel booking to your travel itinerary.

Search flights from Siem Reap to Krong Preah Sihanouk by cabin class

Find flights from Siem Reap to Krong Preah Sihanouk, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Siem Reap and Krong Preah Sihanouk flights

Browse other Siem Reap and Krong Preah Sihanouk flight options. Last updated on 9 September 2026.

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How does Cheapflights help users find flights from Siem Reap to Krong Preah Sihanouk?

Why should you use Cheapflights to find cheap flight tickets from Siem Reap to Krong Preah Sihanouk?

Can Cheapflights find flights from Siem Reap to Krong Preah Sihanouk with no change fees?

Can Cheapflights notify me if prices for flights from Siem Reap to Krong Preah Sihanouk become cheaper?

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Cheapest flights from Siem Reap to Krong Preah Sihanouk
Explore the most affordable flight options available from Siem Reap to Krong Preah Sihanouk. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 September 2026.

Best flights from Siem Reap to Krong Preah Sihanouk
Discover carefully curated flight deals from Siem Reap to Krong Preah Sihanouk that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 September 2026.

Direct flights from Siem Reap to Krong Preah Sihanouk
Explore direct flight options from Siem Reap to Krong Preah Sihanouk based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 September 2026.

Last-minute flights from Siem Reap to Krong Preah Sihanouk
Discover last-minute flight deals from Siem Reap to Krong Preah Sihanouk. Data last updated 9 September 2026 and is based on user searches.

One-way flights from Siem Reap to Krong Preah Sihanouk
Search for one-way flight options from Siem Reap to Krong Preah Sihanouk. Find affordable one-way fares based on user searches. Data last updated 9 September 2026.