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Cheap Flights from Siem Reap–Angkor to Samui International

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Compare Siem Reap–Angkor to Samui International flight deals

Find the cheapest month or even day of the year to fly to Samui International

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Flight deals from Siem Reap–Angkor to Samui International

Looking for a cheap last-minute deal or the best return flight from Siem Reap–Angkor to Samui International? Find the lowest prices on one-way and return tickets right here.
Koh Samui.ر.ق.‏ 620 per passenger.Departing Wed, 4 Jun.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Wed, 4 Jun, arriving in Samui International.Price includes taxes and charges.From ر.ق.‏ 620, select.
Koh Samui.ر.ق.‏ 624 per passenger.Departing Mon, 18 Aug.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Mon, 18 Aug, arriving in Samui International.Price includes taxes and charges.From ر.ق.‏ 624, select.
Koh Samui.ر.ق.‏ 624 per passenger.Departing Fri, 30 May.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Fri, 30 May, arriving in Samui International.Price includes taxes and charges.From ر.ق.‏ 624, select.
Koh Samui.ر.ق.‏ 624 per passenger.Departing Wed, 23 Jul.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Wed, 23 Jul, arriving in Samui International.Price includes taxes and charges.From ر.ق.‏ 624, select.
Koh Samui.ر.ق.‏ 625 per passenger.Departing Wed, 23 Apr.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Wed, 23 Apr, arriving in Samui International.Price includes taxes and charges.From ر.ق.‏ 625, select.
Koh Samui.ر.ق.‏ 628 per passenger.Departing Tue, 11 Nov.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Tue, 11 Nov, arriving in Samui International.Price includes taxes and charges.From ر.ق.‏ 628, select.
Koh Samui.ر.ق.‏ 672 per passenger.Departing Fri, 16 Jan.One-way flight with Bangkok Airways.Outbound indirect flight with Bangkok Airways, departs from Siem Reap–Angkor on Fri, 16 Jan, arriving in Samui International.Price includes taxes and charges.From ر.ق.‏ 672, select.
Koh Samui.ر.ق.‏ 688 per passenger.Departing Fri, 26 Sep.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Fri, 26 Sep, arriving in Samui International.Price includes taxes and charges.From ر.ق.‏ 688, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Siem Reap–Angkor to Samui International flights are currently cheapest in June.
Mar
from ر.ق.‏ 712
Apr
from ر.ق.‏ 625
May
from ر.ق.‏ 624
Jun
from ر.ق.‏ 620
Jul
from ر.ق.‏ 624
Aug
from ر.ق.‏ 624
Sep
from ر.ق.‏ 688
Oct
from ر.ق.‏ 790
Nov
from ر.ق.‏ 628
Dec
from ر.ق.‏ 735
Jan
from ر.ق.‏ 672
Feb
from ر.ق.‏ 996

Siem Reap–Angkor to Samui International: Alternative routes

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

Siem Reap to Koh Samui: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 620
Cheapest month to flyJune

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

The best price we found for a return flight from Siem Reap–Angkor to Samui International is ر.ق.‏ 1,209. 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 Siem Reap–Angkor to Samui International. But we found flights with one or more stops from ر.ق.‏ 1,209.
As of March 2025, there are no flights flying from Siem Reap–Angkor to Samui International.
The cheapest month to fly from Siem Reap–Angkor to Samui International is usually March 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Siem Reap–Angkor Airport to Samui International Airport on Wednesday, 11 June 2025.
No airlines currently offer direct flights between Siem Reap–Angkor Airport and Samui International 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 Samui International 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 Koh Samui is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Thai AirAsia offers the cheapest flight tickets to Samui International.

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

  • Travelling during a peak time such as August? School holidays and other popular periods can lead to longer lines at check-in and security. Play things extra safe and arrive up to four hours before international flights and two hours before domestic departures.

  • Finding a stopover on flights from Siem Reap-Ankor International Airport to Koh Samui Airport is simple with our handy search tool. Just deselect 'Direct flights only' to view your options. Suvarnabhumi Airport is a popular stopover when travelling from SAI to USM.

  • Don't forget, you may need a visa to enter Thailand. Visa regulations can differ and travel documentation requirements are always changing. Before organising your cheap ticket from SAI to USM, be sure to check with your airline and your destination country's local consulate or embassy for current information.

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

  • The best price we've found for a one-way ticket from Siem Reap-Ankor International Airport to Koh Samui Airport is ر.ق.‏ 620. The cheapest price for a return flight is ر.ق.‏ 1,209. Remember that fares could change due to demand when booking.

  • To pick up cheap flight tickets from SAI to USM, book as early as possible. Airlines typically offer their best fares when flights are first made available.

  • If you're willing to be flexible with your travel dates, try using the 'Whole month' tool. It'll give you the lowest price across each month when looking for your ticket from Siem Reap-Ankor International Airport to Koh Samui Airport.

  • Set up a Price Alert for cheap flight tickets from SAI to USM. You don't need to check every day to see if airfares have dropped. We'll tell you as soon as the price changes.

  • Tailor your trip with filters. Pick your ideal arrival and departure times, airlines and total journey duration. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best' flights from Siem Reap-Ankor International Airport to Koh Samui Airport.

Handy information about Siem Reap-Ankor International Airport (SAI)

  • Central Siem Reap to Siem Reap-Ankor International Airport is approximately 48 kilometres. Depending on traffic, it'll take about 59 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Looking for a place to stay before your flight from Siem Reap-Ankor International Airport to Koh Samui Airport? Consider Chansor Community Homestay 18. Enjoy a good night's sleep here before making your way to SAI.

Arriving at Koh Samui Airport (USM)

  • The last thing you want is a long journey to your hotel if you're landing late on a flight from Siem Reap-Ankor International Airport to Koh Samui Airport. Stay at one of these accommodation options near USM instead:

Getting from Koh Samui Airport (USM) to central Thailand

  • Koh Samui Airport is approximately 611 kilometres from central Thailand. How long it'll take to get to the centre by car rental or cab depends on the time of day. Do some research before your trip.

When to fly to Koh Samui Airport (USM)

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

  • The warmest month in Thailand is April, with the temperature ranging between 24 ºC and 41 ºC. Book your flights from Siem Reap-Ankor International Airport to Koh Samui Airport in this month if you enjoy this type of weather.

  • Look for cheap flight tickets from SAI to USM in December if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 16 ºC and 32 ºC on average.

More about Thailand

  • Once you've booked your flight from SAI to USM, snapping up a great stay in Thailand will be next on your list. Phutawan Resort is an excellent option.

  • There are so many things to explore in this city it can be tricky to work out where to begin. Wat Pu Muang, Wat Ma Muang Ched Ton and Wat Tha Luang are top sights which should be on every Thailand itinerary.

Complete your Koh Samui trip with hotels and a car rental

  • We don't just compare flights. After booking your cheap ticket to Koh Samui Airport, check out our car rental offers that'll give you the flexibility to travel around at your own pace. Next, have a look at our exclusive rates for hotels to find the perfect Koh Samui stay.

Plan the rest of your trip from Siem Reap to Koh Samui

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