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Cheap flights from Phnom Penh to Siem Reap, Cambodia

PNH — SAI
3 set — 10 set1
1 adult

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 29 agosto 2025.

Popular in

July

Cheapest in

September

Average price

$155
Highest demand for flights based on searches. 12% potential increase in price ($38 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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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 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 Phnom Penh to Siem Reap

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 return flight from Phnom Penh to Siem Reap. Price data was last updated on 22 August 2025.

The best time to book flights from Phnom Penh to Siem Reap is 85 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 time of day to fly from PNH to SAI?

Find hourly flight availability from Phnom Penh to Siem Reap. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 agosto 2025.

It’s typically best to fly out from Phnom Penh to Siem Reap in the afternoon. Doing so could potentially save you 41% on the flight price compared to flying at midday, which is usually more expensive.

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?

    This flight path from Phnom Penh Pochentong to Siem Reap–Angkor Intl was viewed by 64 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Cheapflights users have booked flights from Phnom Penh to Siem Reap round-trip from $133. Another airline that can offer you cheap pricing is Cambodia Angkor Air. Users have found that AirAsia Cambodia is 26% cheaper than the other options available to this destination.

  • Can I find deals for flights from Phnom Penh to Siem Reap that include hotel bookings?

    Yes. In addition to deals on Phnom Penh to Siem Reap flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Phnom Penh to Siem Reap?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phnom Penh to Siem Reap.

  • 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.

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Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Phnom Penh to Siem Reap

Discover the top 2 airlines 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 647,157 searches. Data last updated 29 agosto 2025.
AirlineCheapestAverageFlexibilityOn-time
AirAsia CambodiaCheapest$133Average$159FlexibilityNo cancel feeOn-timeN/A
Search AirAsia Cambodia flights
Cambodia Angkor AirCheapest$135Average$153FlexibilityNo cancel feeOn-timeN/A
Search Cambodia Angkor Air flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers 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 helps you search for flights from Phnom Penh to Siem Reap via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Phnom Penh to Siem Reap for you. Better yet — we are completely free to use.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Phnom Penh to Siem Reap flexibly with Cheapflights today.

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

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