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Phnom Penh

$46+ Cheap flights from Siem Reap, Cambodia to Phnom Penh (SAI - KTI)

SAI — KTI
Nov 7 — Nov 141
Sat 11/7
Sat 11/14
1 adult, Economy
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Cheap flight deals from Siem Reap to Phnom Penh

Cheapest flights from Siem Reap to Phnom Penh

Fri 10/911:30 am -
Nonstop1h 05m
Wed 10/218:35 am -
Nonstop1h 00m
Deal found 10/4$114
Fri 10/912:40 pm -
Nonstop1h 05m
Wed 10/218:35 am -
Nonstop1h 00m
Deal found 10/6$135
Sun 10/117:20 pm -
Nonstop1h 05m
Sun 10/188:35 am -
Nonstop1h 00m
Deal found 10/3$139
Fri 10/1611:30 am -
Nonstop1h 05m
Mon 10/198:35 am -
Nonstop1h 00m
Deal found 10/6$152
Wed 11/183:20 pm -
Nonstop1h 05m
Wed 11/259:00 am -
Nonstop1h 05m
Deal found 10/6$166
Thu 10/297:40 pm -
Nonstop1h 05m
Sun 11/19:30 am -
Nonstop1h 05m
Deal found 10/7$168
Sat 12/57:40 pm -
Nonstop1h 05m
Mon 12/79:00 am -
Nonstop1h 05m
Deal found 10/5$172
Tue 11/177:40 pm -
Nonstop1h 05m
Wed 11/189:00 am -
Nonstop1h 05m
Deal found 10/4$178
Sun 11/812:45 pm -
Nonstop0h 55m
Sun 11/87:35 pm -
Nonstop0h 50m
Deal found 10/6$236

Find flight deals from Siem Reap to Phnom Penh

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$156
(Jetabroad)

One-way from

$46
(Jetabroad)

Popular in

March

Cheapest in

August

Average price

$121
Provider with most accurate pricing for Siem Reap–Angkor Intl-Phnom Penh Techo Intl flight deals.
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Provider most trusted by Cheapflights users for Siem Reap–Angkor Intl-Phnom Penh Techo Intl flights.
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From Siem Reap–Angkor Intl to Phnom Penh Techo Intl
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One-way flight from Siem Reap–Angkor Intl to Phnom Penh Techo Intl
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Highest demand for flights based on searches. 23% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
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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.

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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 10/13

8:20 pm-9:30 pm

Nonstop1h 10m

Phnom Penh Techo Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$81

Siem ReapPhnom Penh

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

SAIKTI

Siem Reap–Angkor Intl

Thu 10/15

8:20 pm-9:30 pm

Nonstop1h 10m

Phnom Penh Techo Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$81

Siem ReapPhnom Penh

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

SAIKTI

Siem Reap–Angkor Intl

Wed 10/14

7:20 pm-8:25 pm

Nonstop1h 05m

Phnom Penh Techo Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$81
Quickest round-trip

Siem ReapPhnom Penh

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

SAIKTI

Siem Reap–Angkor Intl

Tue 10/27

9:05 pm-9:50 pm

Nonstop0h 45m

Phnom Penh Techo Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$87

Siem ReapPhnom Penh

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

SAIKTI

Siem Reap–Angkor Intl

Thu 11/5

7:40 pm-8:45 pm

Nonstop1h 05m

Phnom Penh Techo Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$87

Siem ReapPhnom Penh

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

SAIKTI

Siem Reap–Angkor Intl

Tue 2/9

9:05 pm-9:50 pm

Nonstop0h 45m

Phnom Penh Techo Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$89

Siem ReapPhnom Penh

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

SAIKTI

Siem Reap–Angkor Intl

Fri 10/30

9:05 pm-9:50 pm

Nonstop0h 45m

Phnom Penh Techo Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$89

Siem ReapPhnom Penh

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

SAIKTI

Siem Reap–Angkor Intl

Mon 11/23

9:05 pm-9:50 pm

Nonstop0h 45m

Phnom Penh Techo Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$89

Siem ReapPhnom Penh

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

SAIKTI

Siem Reap–Angkor Intl

Wed 1/6

3:20 pm-4:25 pm

Nonstop1h 05m

Phnom Penh Techo Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$89

Siem ReapPhnom Penh

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

SAIKTI

Siem Reap–Angkor Intl

Thu 11/12

9:05 pm-9:50 pm

Nonstop0h 45m

Phnom Penh Techo Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$89

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/4

Showing 1-10 of 19 resultsSorted by cheapest first
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Compare providers for flights from Siem Reap to Phnom Penh

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Siem Reap to Phnom Penh in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy2 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Siem Reap-Phnom Penh flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Siem Reap-Phnom Penh flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Siem Reap-Phnom Penh flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Siem Reap-Phnom Penh flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Siem Reap-Phnom Penh flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Siem Reap to Phnom Penh

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 $90). Flying from Siem Reap to Phnom Penh in March is currently the most expensive (average of $231). 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?

It’s typically best to fly out from Siem Reap to Phnom Penh in the evening. Doing so could potentially save you 36% on the flight price compared to flying in the morning, which is usually more expensive.

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 $99 and $139 in January.
The cheapest round-trip price found within the last 5 days was $156 on Cambodia Airways (Jan 6-Jan 9).

Related info for your journey

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

    Flights from Siem Reap–Angkor Intl to Phnom Penh Techo Intl have been viewed 4 times in the past calendar month.

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

    Airlines like Cambodia Airways fly from Siem Reap to Phnom Penh in about 1h 05m. The time it takes to get you to your destination is usually consistent. The distance from Siem Reap to Phnom Penh is about 147 mi. All flights are typically nonstop.

  • What is the cheapest airline to fly from Siem Reap to Phnom Penh round-trip?

    Our cheapest airline available from Siem Reap to Phnom Penh is Cambodia Angkor Air. Our recent data shows that you can find tickets from as low as $77 on this airline. Users have found that Cambodia Angkor Air is 52% cheaper than the other options available to this destination.

  • 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 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 $90). Flying from Siem Reap to Phnom Penh in March is currently the most expensive (average of $231). 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.

See more FAQs

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Complete your trip

Phnom Penh car rentals
Phnom Penh Techo Intl Airport car rentals

Top airline flying from Siem Reap to Phnom Penh

AirlineCheapestAverageFlexibilityOn-time
Cambodia Angkor AirCheapest$77Average$174FlexibilityNo cancel feeOn-timeN/A

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