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Cheap flights from Siem Reap, Cambodia to Phnom Penh

SAI — KTI
23 Sep — 30 Sep1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Siem Reap to Phnom Penh

Popular in

March

Cheapest in

August

Average price

C$ 124
Highest demand for flights based on searches. 23% potential increase in price (C$ 93 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 14 potential savings vs. average RT price).
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Average for round-trip flights in August 2026
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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 C$ 124). Flying from Siem Reap to Phnom Penh in March is currently the most expensive (average of C$ 318). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Siem Reap to Phnom Penh as you normally would.

Related info for your journey

  • 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: Cambodia Airways (98%), Etihad Airways (95%), Cambodia Angkor Air( 95%).

  • 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 C$ 124). Flying from Siem Reap to Phnom Penh in March is currently the most expensive (average of C$ 318). 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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How does Cheapflights help users find flights from Siem Reap to Phnom Penh?

Cheapflights helps you search for flights from Siem Reap to Phnom Penh 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 Siem Reap to Phnom Penh?

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

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

Certainly. Search results for flights to Phnom Penh from Siem Reap shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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