How long is the flight from Siem Reap to Phnom Penh?

For as low as C$ 336, Cambodia Airways can have you in Phnom Penh from Siem Reap in 55m. The distance from Siem Reap to Phnom Penh is about 237 km. Most flights are nonstop.

Weekly flight availability from Siem Reap to Phnom Penh

The most flights from SAI to KTI are scheduled on a Wednesday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

In terms of precipitation, rainfall in Phnom Penh ranges from 0.0 - 250.0 mm per month. October is typically the wettest month, when rainfall can reach 250.0 mm. January is typically the driest time to visit Phnom Penh when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Phnom Penh, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 25.0 C).

What are the most reliable airlines from Siem Reap to Phnom Penh?

Before booking your flight to Phnom Penh from Siem Reap, check out the most reliable airlines to get you to your destination on time: Cambodia Airways (90%), Vietnam Airlines (89%), Cambodia Angkor Air( 89%).

Can I find deals for flights from Siem Reap to Phnom Penh that include hotel bookings?

Yes. In addition to deals on Siem Reap to Phnom Penh flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Siem Reap to Phnom Penh?

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

Can I find deals for business class flights from Siem Reap to Phnom Penh?

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

C$ 115+ Cheap Flights from Siem Reap, Cambodia to Phnom Penh

Cheap flight deals from Siem Reap to Phnom Penh

Enter your travel dates to find the best prices.

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Cheapest flights from Siem Reap to Phnom Penh
Explore the most affordable flight options available from Siem Reap to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 October 2026.

Thu 29/107:40 p.m. -

Nonstop1h 05m

Sun 1/119:30 a.m. -

Nonstop1h 05m

Deal found 8/10C$ 282

Sun 8/1112:45 p.m. -

Nonstop0h 55m

Sun 8/117:35 p.m. -

Nonstop0h 50m

Deal found 6/10C$ 336

Wed 14/1012:55 p.m. -

1 stop6h 25m

Wed 21/108:45 p.m. -

3 stops24h 45m

Deal found 5/10C$ 2,932

Fri 6/111:20 p.m. -

1 stop5h 35m

Fri 6/119:40 p.m. -

3 stops23h 30m

Deal found 6/10C$ 2,972

Find flight deals from Siem Reap to Phnom Penh

Round-trip from	C$ 229
One-way from	C$ 115
Popular in	March
Cheapest in	August
Average price	C$ 172

Cambodia Airways
20/2-25/2
Nonstop
2h 10m total
Siem Reap to Phnom Penh

Search Deals

Cambodia Airways
13/10-31/12
Nonstop
1h 10m total
Siem Reap to Phnom Penh

Search Deals

Highest demand for flights based on searches. 23% potential increase in price (C$ 98 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (C$ 14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Siem Reap to Phnom Penh that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Siem ReapPhnom Penh

SAI Siem Reap–Angkor Intl - KTI Phnom Penh Techo Intl

SAIKTI

Siem Reap–Angkor Intl

Tue 13/10

8:20 p.m.-9:30 p.m.

Nonstop1h 10m

Phnom Penh Techo Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 115

Siem ReapPhnom Penh

SAI Siem Reap–Angkor Intl - KTI Phnom Penh Techo Intl

SAIKTI

Siem Reap–Angkor Intl

Wed 14/10

7:20 p.m.-8:25 p.m.

Nonstop1h 05m

Phnom Penh Techo Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 115

Quickest round-trip

Siem ReapPhnom Penh

SAI Siem Reap–Angkor Intl - KTI Phnom Penh Techo Intl

SAIKTI

Siem Reap–Angkor Intl

Tue 27/10

9:05 p.m.-9:50 p.m.

Nonstop0h 45m

Phnom Penh Techo Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 127

Siem ReapPhnom Penh

SAI Siem Reap–Angkor Intl - KTI Phnom Penh Techo Intl

SAIKTI

Siem Reap–Angkor Intl

Thu 25/2

9:05 p.m.-9:50 p.m.

Nonstop0h 45m

Phnom Penh Techo Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 127

Siem ReapPhnom Penh

SAI Siem Reap–Angkor Intl - KTI Phnom Penh Techo Intl

SAIKTI

Siem Reap–Angkor Intl

Fri 11/12

9:05 p.m.-9:50 p.m.

Nonstop0h 45m

Phnom Penh Techo Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 127

Siem ReapPhnom Penh

SAI Siem Reap–Angkor Intl - KTI Phnom Penh Techo Intl

SAIKTI

Siem Reap–Angkor Intl

Thu 4/2

9:05 p.m.-9:50 p.m.

Nonstop0h 45m

Phnom Penh Techo Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 127

Siem ReapPhnom Penh

SAI Siem Reap–Angkor Intl - KTI Phnom Penh Techo Intl

SAIKTI

Siem Reap–Angkor Intl

Fri 30/10

9:05 p.m.-9:50 p.m.

Nonstop0h 45m

Phnom Penh Techo Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 127

Siem ReapPhnom Penh

SAI Siem Reap–Angkor Intl - KTI Phnom Penh Techo Intl

SAIKTI

Siem Reap–Angkor Intl

Sat 28/11

9:05 p.m.-9:50 p.m.

Nonstop0h 45m

Phnom Penh Techo Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 127

Siem ReapPhnom Penh

SAI Siem Reap–Angkor Intl - KTI Phnom Penh Techo Intl

SAIKTI

Siem Reap–Angkor Intl

Tue 16/3

9:05 p.m.-9:50 p.m.

Nonstop0h 45m

Phnom Penh Techo Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 127

Siem ReapPhnom Penh

SAI Siem Reap–Angkor Intl - KTI Phnom Penh Techo Intl

SAIKTI

Siem Reap–Angkor Intl

Mon 23/11

9:05 p.m.-9:50 p.m.

Nonstop0h 45m

Phnom Penh Techo Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 127

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 18 resultsSorted by cheapest first

Best time to book a flight from Siem Reap to Phnom Penh

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

SAI-KTI

Estimated round-trip 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 Phnom Penh

Prices

Airlines

What is the cheapest month to book a flight from Siem Reap to Phnom Penh?

Currently, August is the cheapest month in which you can book a flight from Siem Reap to Phnom Penh (average of C$ 128). Flying from Siem Reap to Phnom Penh in March is currently the most expensive (average of C$ 329). 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 KTI?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Siem Reap to Phnom Penh as you normally would.

How much does it cost to fly round-trip from Siem Reap to Phnom Penh?

Airfare is above average for this route at the moment.

Siem Reap to Phnom Penh flights typically cost between C$ 141 and C$ 198 in February.
The cheapest round-trip price found within the last 5 days was C$ 229 on Cambodia Airways (20 Feb-25 Feb).

Related info for your journey

How long is the flight from Siem Reap to Phnom Penh?
For as low as C$ 336, Cambodia Airways can have you in Phnom Penh from Siem Reap in 55m. The distance from Siem Reap to Phnom Penh is about 237 km. Most flights are nonstop.
What are the most reliable airlines from Siem Reap to Phnom Penh?
Before booking your flight to Phnom Penh from Siem Reap, check out the most reliable airlines to get you to your destination on time: Cambodia Airways (90%), Vietnam Airlines (89%), Cambodia Angkor Air( 89%).
Can I find deals for flights from Siem Reap to Phnom Penh that include hotel bookings?
Yes. In addition to deals on Siem Reap to Phnom Penh flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Siem Reap to Phnom Penh?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Siem Reap to Phnom Penh.
Can I find deals for business class flights from Siem Reap to Phnom Penh?
Yes. Cheapflights offers flight deals from Siem Reap to Phnom Penh 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 Phnom Penh?
Currently, August is the cheapest month in which you can book a flight from Siem Reap to Phnom Penh (average of C$ 128). Flying from Siem Reap to Phnom Penh in March is currently the most expensive (average of C$ 329). 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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Cheapflights helps you search for flights from Siem Reap to Phnom Penh 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 Phnom Penh?

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Can Cheapflights find flights from Siem Reap to Phnom Penh with no change fees?

Certainly. Search results for flights to Phnom Penh 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 Phnom Penh become cheaper?

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Cheap flights from Siem Reap, Cambodia to Phnom Penh from C$ 115

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Siem Reap to Phnom Penh

Cheapest flights from Siem Reap to Phnom PenhExplore the most affordable flight options available from Siem Reap to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 October 2026.

Explore the most affordable flight options available from Siem Reap to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 October 2026.

Best flights from Siem Reap to Phnom PenhDiscover carefully curated flight deals from Siem Reap to Phnom Penh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 8 October 2026.

Discover carefully curated flight deals from Siem Reap to Phnom Penh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 8 October 2026.

Direct flights from Siem Reap to Phnom PenhExplore direct flight options from Siem Reap to Phnom Penh based on user searches, and compare prices and availability for your desired travel dates. Data last updated 8 October 2026.

Explore direct flight options from Siem Reap to Phnom Penh based on user searches, and compare prices and availability for your desired travel dates. Data last updated 8 October 2026.

Last-minute flights from Siem Reap to Phnom PenhDiscover last-minute flight deals from Siem Reap to Phnom Penh. Data last updated 8 October 2026 and is based on user searches.

Discover last-minute flight deals from Siem Reap to Phnom Penh. Data last updated 8 October 2026 and is based on user searches.

One-way flights from Siem Reap to Phnom PenhSearch for one-way flight options from Siem Reap to Phnom Penh. Find affordable one-way fares based on user searches. Data last updated 8 October 2026.

Search for one-way flight options from Siem Reap to Phnom Penh. Find affordable one-way fares based on user searches. Data last updated 8 October 2026.

Find flight deals from Siem Reap to Phnom Penh

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Popular in

Cheapest in

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Siem Reap to Phnom Penh that are best for you.

Best time to book a flight from Siem Reap to Phnom Penh

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

Cheapflights Insights

What is the cheapest month to book a flight from Siem Reap to Phnom Penh?

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Siem Reap to Phnom Penh as you normally would.

How much does it cost to fly round-trip from Siem Reap to Phnom Penh?

Airfare is above average for this route at the moment.

Siem Reap to Phnom Penh flights typically cost between C$ 141 and C$ 198 in February.The cheapest round-trip price found within the last 5 days was C$ 229 on Cambodia Airways (20 Feb-25 Feb).

Weekly flight availability from Siem Reap to Phnom Penh

The most flights from SAI to KTI are scheduled on a Wednesday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

Related info for your journey

How long is the flight from Siem Reap to Phnom Penh?

What are the most reliable airlines from Siem Reap to Phnom Penh?

Can I find deals for flights from Siem Reap to Phnom Penh that include hotel bookings?

How can I find direct flights from Siem Reap to Phnom Penh?

Can I find deals for business class flights from Siem Reap to Phnom Penh?

What is the cheapest month to book a flight from Siem Reap to Phnom Penh?

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 Phnom Penh by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Siem Reap to Phnom Penh by cabin class

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

Siem Reap and Phnom Penh flights

Browse other Siem Reap and Phnom Penh flight options. Last updated on 8 October 2026.

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Why should you use Cheapflights to find cheap flight tickets from Siem Reap to Phnom Penh?

Can Cheapflights find flights from Siem Reap to Phnom Penh with no change fees?

Can Cheapflights notify me if prices for flights from Siem Reap to Phnom Penh become cheaper?

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Cheapest flights from Siem Reap to Phnom Penh
Explore the most affordable flight options available from Siem Reap to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 October 2026.

Best flights from Siem Reap to Phnom Penh
Discover carefully curated flight deals from Siem Reap to Phnom Penh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 8 October 2026.

Direct flights from Siem Reap to Phnom Penh
Explore direct flight options from Siem Reap to Phnom Penh based on user searches, and compare prices and availability for your desired travel dates. Data last updated 8 October 2026.

Last-minute flights from Siem Reap to Phnom Penh
Discover last-minute flight deals from Siem Reap to Phnom Penh. Data last updated 8 October 2026 and is based on user searches.

One-way flights from Siem Reap to Phnom Penh
Search for one-way flight options from Siem Reap to Phnom Penh. Find affordable one-way fares based on user searches. Data last updated 8 October 2026.

Siem Reap to Phnom Penh flights typically cost between C$ 141 and C$ 198 in February.
The cheapest round-trip price found within the last 5 days was C$ 229 on Cambodia Airways (20 Feb-25 Feb).