£201 Cheap Flights from Phnom Penh (PNH) to Samui Intl. Airport (USM)

View £201 flight on Mon, 25 Aug 2025Opens in a new window

Popular airlines from Phnom Penh Intl. Airport (PNH) to Samui Intl. Airport (USM)

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Cheap Flights from Phnom Penh (PNH) to Samui Intl. Airport (USM)

Prices were available within the past 7 days and start at £201 for one-way flights and £349 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai Airways International
Mon, 22 Sep - Mon, 29 Sep
PNH
Phnom Penh
USM
Koh Samui
£349 Return, found 5 days ago
£349
Return
found 5 days ago
Select Thai Airways International flight, departing Mon, 22 Sep from Phnom Penh to Koh Samui, returning Mon, 29 Sep, priced at £349 found 5 days ago
Thai Airways International
Mon, 22 Sep - Mon, 29 Sep
PNH
Phnom Penh
USM
Koh Samui
£352 Return, found 5 days ago
£352
Return
found 5 days ago
Select Thai Airways International flight, departing Mon, 22 Sep from Phnom Penh to Koh Samui, returning Mon, 29 Sep, priced at £352 found 5 days ago
Thai Airways International
Mon, 22 Sep - Mon, 29 Sep
PNH
Phnom Penh
USM
Koh Samui
£357 Return, found 5 days ago
£357
Return
found 5 days ago
Select Thai Airways International flight, departing Mon, 22 Sep from Phnom Penh to Koh Samui, returning Mon, 29 Sep, priced at £357 found 5 days ago
Thai Airways International
Mon, 22 Sep - Mon, 29 Sep
PNH
Phnom Penh
USM
Koh Samui
£358 Return, found 5 days ago
£358
Return
found 5 days ago
Select Thai Airways International flight, departing Mon, 22 Sep from Phnom Penh to Koh Samui, returning Mon, 29 Sep, priced at £358 found 5 days ago
Thai Airways International
Mon, 22 Sep - Mon, 29 Sep
PNH
Phnom Penh
USM
Koh Samui
£360 Return, found 5 days ago
£360
Return
found 5 days ago
Select Thai Airways International flight, departing Mon, 22 Sep from Phnom Penh to Koh Samui, returning Mon, 29 Sep, priced at £360 found 5 days ago
Thai Airways International
Mon, 22 Sep - Mon, 29 Sep
PNH
Phnom Penh
USM
Koh Samui
£361 Return, found 5 days ago
£361
Return
found 5 days ago
Select Thai Airways International flight, departing Mon, 22 Sep from Phnom Penh to Koh Samui, returning Mon, 29 Sep, priced at £361 found 5 days ago
Thai Airways International
Mon, 22 Sep - Mon, 29 Sep
PNH
Phnom Penh
USM
Koh Samui
£366 Return, found 5 days ago
£366
Return
found 5 days ago
Select Thai Airways International flight, departing Mon, 22 Sep from Phnom Penh to Koh Samui, returning Mon, 29 Sep, priced at £366 found 5 days ago
Thai Airways International
Mon, 22 Sep - Mon, 29 Sep
PNH
Phnom Penh
USM
Koh Samui
£369 Return, found 5 days ago
£369
Return
found 5 days ago
Select Thai Airways International flight, departing Mon, 22 Sep from Phnom Penh to Koh Samui, returning Mon, 29 Sep, priced at £369 found 5 days ago
Thai Airways International
Mon, 22 Sep - Mon, 29 Sep
PNH
Phnom Penh
USM
Koh Samui
£386 Return, found 5 days ago
£386
Return
found 5 days ago
Select Thai Airways International flight, departing Mon, 22 Sep from Phnom Penh to Koh Samui, returning Mon, 29 Sep, priced at £386 found 5 days ago
Malaysia Airlines
Mon, 25 Aug - Mon, 1 Sep
PNH
Phnom Penh
USM
Koh Samui
£596 Return, found 2 days ago
£596
Return
found 2 days ago
Select Malaysia Airlines flight, departing Mon, 25 Aug from Phnom Penh to Koh Samui, returning Mon, 1 Sep, priced at £596 found 2 days ago
Flight from Phnom Penh to Samui Intl. Airport route information
Origin airport
Phnom Penh Intl.
Destination airport
Samui Intl. Airport
Return price
£349
Distance
564 km

Compare flights from Phnom Penh to Samui Intl. Airport easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Phnom Penh to Samui Intl. Airport. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Samui Intl. Airport in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Phnom Penh Intl. to Samui Intl. Airport.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Phnom Penh Intl. (PNH) to Samui Intl. Airport (USM)

The easiest way to view the best deals on flights from Phnom Penh to Samui Intl. Airport today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Phnom Penh Intl. to Samui Intl. Airport start at just £349 and range up to £596.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Phnom Penh and Samui Intl. Airport
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Phnom Penh to Samui Intl. Airport flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Phnom Penh Intl. to Samui Intl. Airport for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from PNH to Samui Airport?
The lowest price advertised for a round-trip flight between Phnom Penh Airport and Samui Airport is £349. But you better get a move on. This price is based on fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Phnom Penh Intl. Airport (PNH) to Ko Samui Airport?
The majority of flights can be cancelled online, but every air carrier has its own terms and conditions. If you do decide to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from PNH to Ko Samui Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for PNH to Ko Samui Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from PNH to Ko Samui Airport?
With a flight distance of 570 kilometres, it's only a short hop from PNH to Ko Samui Airport (USM). It might be a quick journey, but it's still worth packing something to keep you busy on board.
Which airlines fly direct from Phnom Penh Airport to USM?
Unfortunately, there are no airlines that fly directly between Phnom Penh Intl. Airport (PNH) and Ko Samui Airport. You'll have to book a flight with at least one stop.
Are Phnom Penh Airport to Samui Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Phnom Penh Airport to Ko Samui Airport (USM) last minute could save you some cash. However, it could end up costing a good deal more! If you'd rather err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back frequently as deals are updated all the time on Expedia.

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