Cheap Flights from Samui International to Siem Reap–Angkor

Travellers and cabin class

Compare Samui International to Siem Reap–Angkor flight deals

Find the cheapest month or even day of the year to fly to Siem Reap–Angkor

Book the best Siem Reap–Angkor fare with no extra fees

Flight deals from Samui International to Siem Reap–Angkor

Looking for a cheap last-minute deal or the best return flight from Samui International to Siem Reap–Angkor ? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Samui International to Siem Reap–Angkor

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Samui International to Siem Reap–Angkor flights are currently cheapest in May.

Samui International to Siem Reap–Angkor : Alternative routes

Compare routes from Samui International to Siem Reap below. You may find an airport to fly into that's cheaper, faster, or easier than Siem Reap–Angkor .

Koh Samui to Siem Reap: Flight information

The things to know before you go.
Cheapest flight foundR 2,976
Cheapest month to flyMay

Finding cheap flights from Samui International to Siem Reap–Angkor : Frequently asked questions

The best price we found for a return flight from Samui International to Siem Reap–Angkor is R 6,130. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Samui International to Siem Reap–Angkor . But we found flights with one or more stops from R 6,130.
As of March 2025, there are no flights flying from Samui International to Siem Reap–Angkor .
The cheapest month to fly from Samui International to Siem Reap–Angkor is usually March 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Samui International Airport to Siem Reap–Angkor Airport on Monday, 19 May 2025.
No airlines currently offer direct flights between Samui International Airport and Siem Reap–Angkor Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Siem Reap–Angkor but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Siem Reap is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Bangkok Airways offers the cheapest flight tickets to Siem Reap–Angkor .

Flying from Koh Samui Airport (USM) to Siem Reap-Ankor International Airport (SAI): what you need to know

  • During popular months such as August, you'll want to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead for an international flight when you fly during a peak period in general.

  • Before getting your cheap ticket from USM to SAI, check whether you need a visa to enter Cambodia. Travel document and visa requirements can differ and are updated frequently. For the latest information, contact the nearest consulate or embassy of your destination.

How to find the cheapest flights from Koh Samui Airport (USM) to Siem Reap-Ankor International Airport (SAI)

  • The lowest price we've found for a one-way ticket from Koh Samui Airport to Siem Reap-Ankor International Airport is R 2,976. For a return flight on this route, the best price is R 6,130. Depending on the availability when you book, these fares could change.

  • It's often best to book as early as possible if you're hoping to get cheap tickets from USM to SAI. That's because airlines change prices based on demand, which tends to increase closer to departure.

  • Finding cheap tickets from Koh Samui Airport to Siem Reap-Ankor International Airport is more likely if you're flexible with your trip dates. Try using the 'Whole month' tool to see the lowest prices across each month and score a great deal.

  • Getting a cheap ticket from USM to SAI couldn't be easier with Price Alerts. Simply create one of these automatic alerts and we'll notify you as soon as the price has fallen.

  • Take advantage of filters to find the ideal trip for you. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Koh Samui Airport to Siem Reap-Ankor International Airport, use the 'Sort by' function. You can also filter by departure and arrival times, airline, and journey duration.

Handy information about Koh Samui Airport (USM)

  • To discover the best way to get from central Thailand to Koh Samui Airport, use navigation apps like Google Maps. The airport is around 611 kilometres from the city centre.

  • Want a relaxed start to your trip? Stay near USM. Whether you have an early flight from Koh Samui Airport to Siem Reap-Ankor International Airport or want to avoid feeling rushed, these hotels are the answer:

Arriving at Siem Reap-Ankor International Airport (SAI)

  • After your flight from Koh Samui Airport to Siem Reap-Ankor International Airport has touched down, unwind at a nearby hotel. Chansor Community Homestay 18 is a convenient option that's an easy drive from SAI.

Getting from Siem Reap-Ankor International Airport (SAI) to central Siem Reap

  • From Siem Reap-Ankor International Airport, Siem Reap is approximately 48 kilometres away. It takes around 59 minutes to reach the centre driving.

When to fly to Siem Reap-Ankor International Airport (SAI)

  • The quietest month for a flight from Koh Samui Airport to Siem Reap-Ankor International Airport is April, while August is the most popular. Pick the ideal time to visit Siem Reap based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • Lock in your flight from Koh Samui Airport to Siem Reap-Ankor International Airport for March if you want to visit Siem Reap during its warmest month. Expect temperatures of between 22ºC and 38ºC.

  • Look for cheap tickets from USM to SAI in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 18ºC and 33ºC on average.

More about Siem Reap

  • If you're looking for somewhere to rest your head, you can find the most popular stays in Siem Reap right here. Check out these options as soon as you've locked in your flight from USM to SAI:

  • Bayon Temple and Angkor Thom are just two of the popular attractions to put on your Siem Reap itinerary. Keep the momentum going by heading to Pub Street.

Complete your Siem Reap trip with hotels and a car rental

  • You've booked your cheap ticket to Siem Reap-Ankor International Airport — next on the list is finding somewhere to stay, and perhaps even your own set of wheels. We've compared prices across hundreds of companies to bring you the top hotels and car rental deals in Siem Reap.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.