Cheap flights from Phnom Penh to Siem Reap, Cambodia
PNH — SAI
29 Nov — 6 Dec1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Phnom Penh Pochentong to Siem Reap–Angkor Intl are usually found in October or December, booked 88 days in advance, depart on a Tuesday or Wednesday and return on a Monday
Cheap flight deals from Phnom Penh to Siem Reap
Discover tips and strategies to find the most affordable flight options for your journey from Phnom Penh (PNH) to Siem Reap (SAI). 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 30 October 2025.
Popular in
August
Cheapest in
October
Average price
C$ 140
Highest demand for flights based on searches. 25% potential increase in price (C$ 88 potential increase over avg. RT price).
Best time to book a flight from Phnom Penh to Siem Reap
Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Phnom Penh 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 Phnom Penh to Siem Reap
Prices
Delays
How far ahead should I book a flight from Phnom Penh to Siem Reap?
Use this chart to determine the optimal time to book a round-trip flight from Phnom Penh to Siem Reap. Price data was last updated on 24 October 2025.
The best time to book flights from Phnom Penh to Siem Reap is 88 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Phnom Penh to Siem Reap?
Currently, March is the cheapest month in which you can book a flight from Phnom Penh to Siem Reap (average of C$ 101). Flying from Phnom Penh to Siem Reap in September is currently the most expensive (average of C$ 141). 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.
How often are flights from Phnom Penh to Siem Reap delayed?
About 12% of weekly flights between Phnom Penh and Siem Reap have experienced delays in the past year, with the average delay time being 73 minutes.
What is the most punctual flight time for Phnom Penh to Siem Reap flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Phnom Penh to Siem Reap flights?
Over the past year, AirAsia has had the lowest number of delays on this route, with just 2% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Phnom Penh to Siem Reap. 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 Phnom Penh to Siem Reap flight route?
The Phnom Penh Pochentong to Siem Reap–Angkor Intl flight path was viewed by 7 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What is the cheapest airline to fly from Phnom Penh to Siem Reap round-trip?
According to our current data, Cambodia Angkor Air (C$ 127), offers the cheapest pricing from Phnom Penh to Siem Reap. This flight start at 31% lower than the current average price 3 months from now.
Can I find deals for business class flights from Phnom Penh to Siem Reap?
Yes. Cheapflights offers flight deals from Phnom Penh to Siem Reap 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 Phnom Penh to Siem Reap?
Currently, March is the cheapest month in which you can book a flight from Phnom Penh to Siem Reap (average of C$ 101). Flying from Phnom Penh to Siem Reap in September is currently the most expensive (average of C$ 141). 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.
Discover the top airline that operate flights from Phnom Penh to Siem Reap. 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 629,999 searches. Data last updated 30 October 2025.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Phnom Penh to Siem Reap?
Cheapflights makes it easy to find Phnom Penh to Siem Reap flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Phnom Penh to Siem Reap?
Cheapflights helps you find that perfect flight to Siem Reap from Phnom Penh by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Phnom Penh to Siem Reap with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Phnom Penh to Siem Reap, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Phnom Penh to Siem Reap become cheaper?
Not ready to book yet? You can track prices for flights from Phnom Penh to Siem Reap on Cheapflights with our Price Alert feature and get notified when better prices are available.
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