Search flights from Koh Samui (USM) to Phnom Penh (PNH)

Book your plane tickets from Koh Samui to Phnom Penh with ease

Cheapest flights to Phnom Penh

The cheapest flights available in the next 60 days – prices are updated regularly

Flying from Koh Samui to Phnom Penh: things to know

The most popular route is from Samui International Airport in Koh Samui to Phnom Penh International Airport in Phnom Penh. On average this flight takes 5 hours 29 minutes one-way and costs $506 round-trip.

Most popular route
Samui International Airport (USM) to Phnom Penh International Airport (PNH)
Average flight time
5 hours 29 minutes
Average round-trip price
$506
Fly from Koh Samui to Phnom Penh
3 airlines

Reasons to book flights with Booking.com

  • Great selection

    Easily compare flights, airlines, and prices – all in one place

  • No hidden fees

    Always know exactly what you’re paying for

  • Flexibility

    Use our flexible plane ticket option to change your dates if needed

Flexible plane ticket options are available for an additional cost on select airfares

Airlines that fly from Koh Samui to Phnom Penh

Airline options may vary according to recently booked flights and your search terms

  • Bangkok Airways
  • Thai Airways
  • Scoot

Frequently asked questions

Fly to more destinations from Koh Samui

Research, refine, and make plans for your whole trip

Flights from Thailand to Cambodia

Flexible on where to fly from? Thailand also has many flight options for Cambodia.

All flights

Fly to your next dream destination.

Flights to Phnom Penh Municipality

Getting to Phnom Penh Municipality just got easier!

Flights to Phnom Penh International Airport

Jet into this airport to explore Phnom Penh at your leisure.

Hotels in Phnom Penh

A popular choice with visitors to Cambodia.

Flights from Koh Samui to Cambodia

Plan your next getaway from Koh Samui.