Ko Samui

Cheap flights from Phnom Penh (PNH) to Ko Samui (USM)

PNH — USM
Apr 7 — Apr 141
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1. Tell us where you want to go

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2. Select your favorite providers

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Cheap flight deals from Phnom Penh to Ko Samui

Discover tips and strategies to find the most affordable flight options for your journey from Phnom Penh (PNH) to Ko Samui (USM). 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 April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

December

Cheapest in

May

Average price

$512
Provider with most accurate pricing for Phnom Penh Pochentong-Ko Samui flight deals.
Provider most trusted by Cheapflights users for Phnom Penh Pochentong-Ko Samui flights.
Highest demand for flights based on searches. 4% potential increase in price ($21 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Compare providers for flights from Phnom Penh to Ko Samui

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Phnom Penh to Ko Samui in April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Phnom Penh-Ko Samui flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phnom Penh-Ko Samui flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phnom Penh-Ko Samui flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phnom Penh-Ko Samui flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phnom Penh-Ko Samui flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Phnom Penh to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui 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 Ko Samui

Rainfall in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ko Samui ranges from 2.3 - 19.3 inches per month. November is typically the wettest month, when rainfall can reach 19.3 in. February is typically the driest time to visit Ko Samui when rainfall is around 2.3 in.

Temperature in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

Related info for your journey

Find useful and relevant information for your journey from Phnom Penh to Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find deals for flights from Phnom Penh to Ko Samui that include hotel bookings?

    Yes. In addition to deals on Phnom Penh to Ko Samui flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Phnom Penh to Ko Samui?

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

  • Can I find deals for business class flights from Phnom Penh to Ko Samui?

    Yes. Cheapflights offers flight deals from Phnom Penh to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Traveling to a place near Phnom Penh?

Book flights to Phnom Penh if you plan to visit one of these locations
Ko Tao
Ko Pha Ngan

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Alternative routes for Phnom Penh to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Phnom Penh to Ko Samui

Discover the top 2 airlines that operate flights from Phnom Penh to Ko Samui. 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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest$354Average$494FlexibilityNo cancel feeOn-time74%
Thai AirwaysCheapest$434Average$534FlexibilityNo cancel feeOn-time77%

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