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Cheap flights from Siem Reap, Cambodia to Phnom Penh

SAI — KTI
21 Sep — 28 Sep1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Siem Reap to Phnom Penh

Popular in

March

Cheapest in

September

Average price

£66
Highest demand for flights based on searches. 24% potential increase in price (£27 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£5 potential savings vs. average return 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 return 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 £57). Flying from Siem Reap to Phnom Penh in March is currently the most expensive (average of £169). 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?

When flying from Siem Reap to Phnom Penh, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

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

    Within the past month, 7 users have taken a look at flights from Siem Reap–Angkor Intl to Phnom Penh Techo Intl.

  • 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 holiday 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 £57). Flying from Siem Reap to Phnom Penh in March is currently the most expensive (average of £169). 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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Alternative routes for Siem Reap to Phnom Penh

Siem Reap to Krong Preah Sihanouk flights

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How does Cheapflights help users find flights from Siem Reap to Phnom Penh?

Deals for Siem Reap to Phnom Penh flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Phnom Penh from Siem Reap.

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

Need flexible booking options for your flight to Phnom Penh from Siem Reap? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

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