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Phnom Penh

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

SAI — KTI
Sep 20 — Sep 271
Sun 9/20
Sun 9/27
1 adult, Economy
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1. Tell us where you want to go

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Find flight deals from Siem Reap to Phnom Penh

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

March

Cheapest in

September

Average price

$90
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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Highest demand for flights based on searches. 24% potential increase in price ($50 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 August 2026
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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 August.
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, September is the cheapest month in which you can book a flight from Siem Reap to Phnom Penh (average of $78). 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 afternoon. Doing so could potentially save you 27% on the flight price compared to flying in the morning, which is usually more expensive.

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.

  • 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 51% 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 (98%), Etihad Airways (95%) or Cambodia Angkor Air (95%) 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, September is the cheapest month in which you can book a flight from Siem Reap to Phnom Penh (average of $78). 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.

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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$170FlexibilityNo cancel feeOn-timeN/A

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