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Cheap Flights from Samui International to Siem Reap–Angkor

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

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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.
Siem Reap.ر.ق.‏ 607 per passenger.Departing Fri, 21 Nov.One-way flight with Bangkok Airways.Outbound indirect flight with Bangkok Airways, departs from Samui International on Fri, 21 Nov, arriving in Siem Reap–Angkor .Price includes taxes and charges.From ر.ق.‏ 607, select.
Siem Reap.ر.ق.‏ 608 per passenger.Departing Thu, 2 Oct.One-way flight with Bangkok Airways.Outbound indirect flight with Bangkok Airways, departs from Samui International on Thu, 2 Oct, arriving in Siem Reap–Angkor .Price includes taxes and charges.From ر.ق.‏ 608, select.
Siem Reap.ر.ق.‏ 611 per passenger.Departing Tue, 16 Dec.One-way flight with Bangkok Airways.Outbound indirect flight with Bangkok Airways, departs from Samui International on Tue, 16 Dec, arriving in Siem Reap–Angkor .Price includes taxes and charges.From ر.ق.‏ 611, select.
Siem Reap.ر.ق.‏ 620 per passenger.Departing Tue, 20 Jan.One-way flight with Bangkok Airways.Outbound indirect flight with Bangkok Airways, departs from Samui International on Tue, 20 Jan, arriving in Siem Reap–Angkor .Price includes taxes and charges.From ر.ق.‏ 620, select.
Siem Reap.ر.ق.‏ 620 per passenger.Departing Fri, 19 Sep.One-way flight with Bangkok Airways.Outbound indirect flight with Bangkok Airways, departs from Samui International on Fri, 19 Sep, arriving in Siem Reap–Angkor .Price includes taxes and charges.From ر.ق.‏ 620, select.
Siem Reap.ر.ق.‏ 628 per passenger.Departing Thu, 12 Mar.One-way flight with Bangkok Airways.Outbound indirect flight with Bangkok Airways, departs from Samui International on Thu, 12 Mar, arriving in Siem Reap–Angkor .Price includes taxes and charges.From ر.ق.‏ 628, select.
Siem Reap.ر.ق.‏ 682 per passenger.Departing Fri, 6 Feb.One-way flight with Bangkok Airways.Outbound indirect flight with Bangkok Airways, departs from Samui International on Fri, 6 Feb, arriving in Siem Reap–Angkor .Price includes taxes and charges.From ر.ق.‏ 682, select.
Siem Reap.ر.ق.‏ 812 per passenger.Departing Wed, 23 Jul.One-way flight with Bangkok Airways.Outbound indirect flight with Bangkok Airways, departs from Samui International on Wed, 23 Jul, arriving in Siem Reap–Angkor .Price includes taxes and charges.From ر.ق.‏ 812, select.

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 November.
Jul
from ر.ق.‏ 812
Aug
from ر.ق.‏ 880
Sep
from ر.ق.‏ 620
Oct
from ر.ق.‏ 608
Nov
from ر.ق.‏ 607
Dec
from ر.ق.‏ 611
Jan
from ر.ق.‏ 620
Feb
from ر.ق.‏ 682
Mar
from ر.ق.‏ 628
Apr
from ر.ق.‏ 839
May
Find prices
Jun
Find prices

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 foundر.ق.‏ 607
Cheapest month to flyNovember

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 ر.ق.‏ 1,271. 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 ر.ق.‏ 1,271.
As of July 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 September.
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 Wednesday, 17 September 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 .

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

  • Siem Reap's timezone is UTC+7, which is the same as Koh Samui.

  • To ensure you get on your USM to SAI flight, leave plenty of time for things like check-in and baggage drop. Turning up two hours ahead of international departures and an hour before domestic flights is the general travel rule.

  • During popular months such as July, it's best to get to the airport earlier than normal. Arrive two hours before domestic departures and four hours ahead for international flights when you travel during a peak period in general.

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

  • Right now, ر.ق.‏ 607 is the lowest price we've seen for a one-way Koh Samui Airport to Siem Reap-Ankor International Airport flight. The best price for a return plane ticket is ر.ق.‏ 1,271. Keep in mind that fares may change due to demand at the time of booking.

  • To get your hands on cheap tickets from USM to SAI, book as early as you can. Airlines generally offer their most competitively priced fares when flights are first released.

  • Finding cheap flights from Koh Samui Airport to Siem Reap-Ankor International Airport is easier if you can be flexible with your travel dates. Use the 'Whole month' function to see the lowest fares across every month and land a great deal.

  • Getting your hands on cheap flights from USM to SAI is a cinch with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch when a lower fare pops up.

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

Handy information about Koh Samui Airport (USM)

  • 69.38% of flights that depart Koh Samui Airport reach their destination on schedule.

  • To work out the quickest way to travel from central Koh Samui to Koh Samui Airport, use navigation tools like Google Maps. The airport is about 3 kilometres from the city centre.

  • Get your break off to a hassle-free start by staying near USM. Whether you're taking an early flight from Koh Samui Airport to Siem Reap-Ankor International Airport or just don't like being rushed, these hotels have you covered:

Arriving at Siem Reap-Ankor International Airport (SAI)

  • Consider staying at Chansor Community Homestay 18 after touching down from your Koh Samui Airport to Siem Reap-Ankor International Airport flight. It's not too far from SAI and a comfortable option if you're eager to freshen up right away.

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 1 hour to get to the centre driving.

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

  • April is the busiest month for flights from Koh Samui Airport to Siem Reap-Ankor International Airport. To skip the crowds, head to Siem Reap in April.

  • When booking your flight from Koh Samui Airport to Siem Reap-Ankor International Airport, consider the type of weather you enjoy. March is the warmest month in Siem Reap, with temperatures ranging from 22ºC to 38ºC.

  • If you'd rather travel in cooler conditions, search for a cheap ticket from USM to SAI in January. Average temperatures are between 18ºC and 33ºC then.

Explore more of Cambodia

  • Siem Reap is easy to fall in love with, but there are so many other corners of Cambodia you'll want to see. Around 225 kilometres south-east of Siem Reap, a trip to Phnom Penh will keep your itinerary packed. Start with leading sights like Royal Palace, Tuol Sleng Genocide Museum and Wat Phnom.

  • Around 306 kilometres south of Siem Reap, Sihanoukville is another essential stop in Cambodia. Experience the best of this destination with a visit to Ochheuteal Beach, Wat Leu Temple and Wat Krom Temple.

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

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