How popular is this Siem Reap to Phnom Penh flight route?

Within the past month, 7 users have taken a look at flights from Siem Reap–Angkor Intl to Phnom Penh Techo Intl.

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

Departing from Siem Reap to Phnom Penh will take you 55m. The distance between Siem Reap and Phnom Penh is about 147 mi. Generally, flights for this route are direct.

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 inches 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?

No one likes to see their flight delayed. When booking a flight from Siem Reap to Phnom Penh consider choosing Cambodia Airways (90%), Vietnam Airlines (89%) or Cambodia Angkor Air (89%) as they are the most reliable in getting you off to your destination on time.

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 holiday 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.

£61+ 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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Best

Direct

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One-way

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.

Wed 14/1019:20 -

Nonstop1h 05m

Tue 20/1009:30 -

Nonstop1h 05m

Deal found 5/10£95

Thu 29/1019:40 -

Nonstop1h 05m

Sun 1/1109:30 -

Nonstop1h 05m

Deal found 8/10£150

Sun 8/1112:45 -

Nonstop0h 55m

Sun 8/1119:35 -

Nonstop0h 50m

Deal found 6/10£178

Wed 14/1011:55 -

1 stop5h 50m

Wed 21/1008:35 -

Nonstop1h 00m

Deal found 5/10£224

Wed 14/1019:20 -

Nonstop0h 50m

Tue 20/1018:35 -

1 stop21h 35m

Deal found 5/10£243

Find flight deals from Siem Reap to Phnom Penh

Round-trip from	£150
One-way from	£61
Popular in	March
Cheapest in	August
Average price	£91

Cambodia Airways
29/10-1/11
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 (£28 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 October 2026

Search Deals

Cheapflights Fare Finder

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

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Fly to

Route

Depart

Return

Price

Cheapest return flight

Siem ReapPhnom Penh

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

SAIKTI

Siem Reap–Angkor Intl

Tue 13/10

20:20-21:30

Nonstop1h 10m

Phnom Penh Techo Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£61

Siem ReapPhnom Penh

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

SAIKTI

Siem Reap–Angkor Intl

Wed 14/10

19:20-20:25

Nonstop1h 05m

Phnom Penh Techo Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£61

Siem ReapPhnom Penh

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

SAIKTI

Siem Reap–Angkor Intl

Mon 22/2

15:20-16:25

Nonstop1h 05m

Phnom Penh Techo Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£66

Fastest return journey

Siem ReapPhnom Penh

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

SAIKTI

Siem Reap–Angkor Intl

Tue 27/10

21:05-21:50

Nonstop0h 45m

Phnom Penh Techo Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£67

Siem ReapPhnom Penh

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

SAIKTI

Siem Reap–Angkor Intl

Tue 9/2

21:05-21:50

Nonstop0h 45m

Phnom Penh Techo Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£67

Siem ReapPhnom Penh

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

SAIKTI

Siem Reap–Angkor Intl

Fri 11/12

21:05-21:50

Nonstop0h 45m

Phnom Penh Techo Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£67

Siem ReapPhnom Penh

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

SAIKTI

Siem Reap–Angkor Intl

Wed 3/2

21:05-21:50

Nonstop0h 45m

Phnom Penh Techo Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£67

Siem ReapPhnom Penh

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

SAIKTI

Siem Reap–Angkor Intl

Fri 30/10

21:05-21:50

Nonstop0h 45m

Phnom Penh Techo Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£67

Siem ReapPhnom Penh

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

SAIKTI

Siem Reap–Angkor Intl

Sat 28/11

21:05-21:50

Nonstop0h 45m

Phnom Penh Techo Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£67

Siem ReapPhnom Penh

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

SAIKTI

Siem Reap–Angkor Intl

Sat 2/1

21:05-21:50

Nonstop0h 45m

Phnom Penh Techo Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£67

Flights are sorted by cheapest return flights first.

Deals found on 4/10

Showing 1-10 of 16 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 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 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 £68). Flying from Siem Reap to Phnom Penh in March is currently the most expensive (average of £175). 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?

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

How much does it cost for a return flight 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 £75 and £105 in October.
The cheapest return price found within the last 5 days was £150 on Cambodia Airways (29 Oct–1 Nov).

Related info for your journey

How popular is this Siem Reap to Phnom Penh flight route?
Within the past month, 7 users have taken a look at flights from Siem Reap–Angkor Intl to Phnom Penh Techo Intl.
How long is the flight from Siem Reap to Phnom Penh?
Departing from Siem Reap to Phnom Penh will take you 55m. The distance between Siem Reap and Phnom Penh is about 147 mi. Generally, flights for this route are direct.
What are the most reliable airlines from Siem Reap to Phnom Penh?
No one likes to see their flight delayed. When booking a flight from Siem Reap to Phnom Penh consider choosing Cambodia Airways (90%), Vietnam Airlines (89%) or Cambodia Angkor Air (89%) as they are the most reliable in getting you off to your destination on time.
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 holiday 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 £68). Flying from Siem Reap to Phnom Penh in March is currently the most expensive (average of £175). 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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How does Cheapflights help users find flights from Siem Reap to Phnom Penh?

Deals for Siem Reap to Phnom Penh flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

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 Phnom Penh from Siem Reap.

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

Need flexible booking options for your flight to Phnom Penh from Siem Reap? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Siem Reap to Phnom Penh 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 Phnom Penh from £61

This is the cheapest retur 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 stopovers 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 stopovers 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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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?

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

How much does it cost for a return flight 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 £75 and £105 in October.The cheapest return price found within the last 5 days was £150 on Cambodia Airways (29 Oct–1 Nov).

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 popular is this Siem Reap to Phnom Penh flight route?

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.

Alternative routes for Siem Reap to Phnom Penh

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Complete your trip

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Search flights from Siem Reap to Phnom Penh by cabin class

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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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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 stopovers 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 £75 and £105 in October.
The cheapest return price found within the last 5 days was £150 on Cambodia Airways (29 Oct–1 Nov).