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Cheap flights from Koh Samui to Phnom Penh from ฿4,747

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/6. Fares are subject to change and may not be available on all flights or dates of travel.
USM — PNH
29 Jan — 5 Feb1
1 adult

Cheap flight deals from Koh Samui to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from Koh Samui (USM) to Phnom Penh (PNH). 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 24 January 2025.

Round-trip from

฿13,600

One-way from

฿4,747
10/3-17/3
  • 10/3-17/3
  • 3 total stops
  • 35h 50m total
  • Koh Samui to Phnom Penh
Search Deals
26/6
  • 26/6
  • 1 total stop
  • 9h 25m total
  • Koh Samui to Phnom Penh
Search Deals

Find flight deals from Koh Samui to Phnom Penh

Cheapest flights from Koh Samui to Phnom Penh
Explore the most affordable flight options available from Koh Samui to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 January 2025.

Mon 10/308:50USM - PNH
2 stops23h 35mMultiple Airlines
Mon 17/319:55PNH - USM
1 stop12h 15mMultiple Airlines
Deal found 24/1฿13,600
Mon 10/307:55USM - PNH
1 stop6h 30mBangkok Airways
Mon 17/315:20PNH - USM
1 stop5h 35mBangkok Airways
Deal found 24/1฿14,509
Sun 9/307:55USM - PNH
2 stops8h 45mVietnam Airlines
Sun 16/316:45PNH - USM
2 stops14h 55mVietnam Airlines
Deal found 23/1฿29,490

Find flights from Koh Samui to Phnom Penh within your budget

Customise your flight search to find flights from Koh Samui to Phnom Penh that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 24 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Koh SamuiPhnom Penh

USM - PNH

USMPNH

Ko Samui

Mon 10/3

08:50-08:25

2 stops23h 35m

Phnom Penh Pochentong

Mon 17/3

19:55-08:10

1 stop12h 15m

฿13,600

Koh SamuiPhnom Penh

USM - PNH

USMPNH

Ko Samui

Mon 10/3

07:55-14:25

1 stop6h 30m

Phnom Penh Pochentong

Mon 17/3

15:20-20:55

1 stop5h 35m

฿14,509

Koh SamuiPhnom Penh

USM - PNH

USMPNH

Ko Samui

Sun 9/3

07:55-16:40

2 stops8h 45m

Phnom Penh Pochentong

Sun 16/3

16:45-07:40

2 stops14h 55m

฿29,490

Koh SamuiPhnom Penh

USM - PNH

USMPNH

Ko Samui

Thu 26/6

06:55-16:20

1 stop9h 25m

฿4,747

Koh SamuiPhnom Penh

USM - PNH

USMPNH

Ko Samui

Sat 1/2

20:20-10:05

1 stop13h 45m

฿8,147

Koh SamuiPhnom Penh

USM - PNH

USMPNH

Ko Samui

Fri 21/2

09:20-13:00

3 stops27h 40m

฿28,917

Flights are sorted by cheapest return flights first.

Deals found on 23/1

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

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from Koh Samui 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.

Travel insights for flights from Koh Samui to Phnom Penh

Get recent, data-driven insights about flights from Koh Samui to Phnom Penh including ideal travel times, pricing trends, and more.

Rainfall in Phnom Penh by month

Plan your trip to Phnom Penh by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Phnom Penh ranges from 0.0 - 250.0 inches per month. October is typically the wettest month, when rainfall can reach 250.0 mm. January is typically the driest time to visit Phnom Penh when rainfall is around 0.0 mm.

Temperature in Phnom Penh by month

Plan your trip to Phnom Penh by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phnom Penh, 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 29.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 25.0 C).

Reviews of airlines servicing Phnom Penh

Get insights into the airlines that provide service to Phnom Penh. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Phnom Penh. Reviews last updated 24 January 2025.
Bangkok Airways
8.1
Very Good
128 reviews
Check prices

Comfort

8.0

Entertainment

6.4

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.1

Reviews

1 / 6

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.

Bangkok Airways
8.1
Very Good
128 reviews
Bangkok Airways
8.1
Very Good
128 reviews
Check prices

Comfort

8.0

Entertainment

6.4

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.1

Reviews

1 / 6

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.

Vietnam Airlines
7.7
Good
211 reviews
Bangkok Airways
8.1
Very Good
128 reviews
Check prices

Comfort

8.0

Entertainment

6.4

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.1

Reviews

1 / 6

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.

Related info for your journey

Find useful and relevant information for your journey from Koh Samui to Phnom Penh. 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 Koh Samui to Phnom Penh that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Koh Samui 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 Koh Samui to Phnom Penh?

    Currently, May is the cheapest month in which you can book a flight from Koh Samui to Phnom Penh (average of ฿109). Flying from Koh Samui to Phnom Penh in October is currently the most expensive (average of ฿145). 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.

See more FAQs

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Alternative routes for Koh Samui to Phnom Penh

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Koh Samui to Phnom Penh?

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Can Cheapflights find flights from Koh Samui to Phnom Penh with no change fees?

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Can Cheapflights notify me if prices for flights from Koh Samui to Phnom Penh become cheaper?

Yes, Cheapflights offers price alerts on Koh Samui 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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