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Phnom Penh

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

SAI — KTI
Aug 9 — Aug 161
Sun 8/9
Sun 8/16
1 adult, Economy
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Find 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 (KTI). 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 July 10, 2026.

Popular in

March

Cheapest in

August
Highest demand for flights based on searches. 20% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($7 potential savings vs. average RT price).
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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
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 time of day to fly from SAI to KTI?

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 July 10, 2026.

It’s typically best to fly out from Siem Reap to Phnom Penh in the afternoon. Doing so could potentially save you 43% on the flight price compared to flying in the morning, which is usually more expensive.

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 Techo Intl have been viewed 4 times in the past calendar month.

  • What is the cheapest airline to fly from Siem Reap to Phnom Penh round-trip?

    Our cheapest airline available from Siem Reap to Phnom Penh is Cambodia Angkor Air. Our recent data shows that you can find tickets from as low as $97 on this airline. Users have found that Cambodia Angkor Air is 41% cheaper than the other options available to this destination.

  • 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 Vietnam Airlines (97%), Cambodia Angkor Air (97%) or Etihad Airways (97%) 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 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.

See more FAQs

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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 Techo Intl Airport car rentals

Top airline flying from Siem Reap to Phnom Penh

Discover the top airline 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 July 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Cambodia Angkor AirCheapest$97Average$177FlexibilityNo cancel feeOn-timeN/A

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