HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Phnom Penh

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

SAI — PNH
Oct 25 — Nov 11
Sat 10/25
Sat 11/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Siem Reap to Phnom Penh with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Siem Reap to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from Siem Reap (SAI) to Phnom Penh (PNH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

July

Cheapest in

October

Average price

$102
Provider with most accurate pricing for Siem Reap–Angkor Intl-Phnom Penh Pochentong flight deals.
Search Deals
Provider most trusted by Cheapflights users for Siem Reap–Angkor Intl-Phnom Penh Pochentong flights.
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($45 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Compare providers for flights from Siem Reap to Phnom Penh

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
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 September.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
MytripPrice Accuracy2 starsTrust Score*3 stars
OneTravelPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 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
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

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

Currently, February is the cheapest month in which you can book a flight from Siem Reap to Phnom Penh (average of $981). Flying from Siem Reap to Phnom Penh in June is currently the most expensive (average of $1,553). 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 PNH?

Find hourly flight availability from Siem Reap to Phnom Penh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 25, 2025.

One of the essential ways to save on airfare from Siem Reap to Phnom Penh is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 12% on airfare.

What is the cheapest day to fly from Siem Reap to Phnom Penh?

Use this chart to determine the cheapest time to fly round-trip from Siem Reap to Phnom Penh. Price data was last updated on September 21, 2025.

Travelers seeking maximum savings on their Siem Reap to Phnom Penh flight should consider departing on Monday at noon when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Siem Reap to Phnom Penh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Flights from Siem Reap–Angkor Intl to Phnom Penh Pochentong have been viewed 6 times in the past calendar month.

  • What are the cheapest airlines flying from Siem Reap to Phnom Penh round-trip?

    Our cheapest airline available from Siem Reap to Phnom Penh is AirAsia Cambodia. Our recent data shows that you can find tickets from as low as $87 on this airline. An additional option worth looking into is Cambodia Angkor Air, starting at $91. Users have found that AirAsia Cambodia is 37% cheaper than the other options available to this destination.

  • 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: Vietnam Airlines (76%), Cambodia Angkor Air (76%), AirAsia Cambodia( 75%).

  • 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, February is the cheapest month in which you can book a flight from Siem Reap to Phnom Penh (average of $981). Flying from Siem Reap to Phnom Penh in June is currently the most expensive (average of $1,553). 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

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.
Phnom Penh car rentals
Phnom Penh Pochentong Airport car rentals

Top 2 airlines flying from Siem Reap to Phnom Penh

Discover the top 2 airlines that operate flights from Siem Reap to Phnom Penh. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
AirAsia CambodiaCheapest$87Average$128FlexibilityNo cancel feeOn-timeN/A
Cambodia Angkor AirCheapest$91Average$135FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.