Cheapflights Tip: The best prices from Bangkok to Siem Reap–Angkor Intl are usually found in February or March, booked 56 days in advance, depart on a Monday or Wednesday and return on a Monday
Find flight deals from Bangkok to Siem Reap
Discover tips and strategies to find the most affordable flight options for your journey from Bangkok (TH1) to Siem Reap (SAI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 26 September 2026.
Popular in
July
Cheapest in
February
Average price
฿7,876
Highest demand for flights based on searches. 3% potential increase in price (฿10,167 potential increase over avg. return price).
Best time to book a flight from Bangkok to Siem Reap
Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Bangkok with our price prediction graph.
TH1-SAI
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Bangkok to Siem Reap
Prices
Airlines
Delays
How far ahead should I book a flight from Bangkok to Siem Reap?
To ensure you get the cheapest price possible for a flight from Bangkok to Siem Reap, you should look to book at least 55 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Bangkok to Siem Reap?
Currently, March is the cheapest month in which you can book a flight from Bangkok to Siem Reap (average of ฿7,142). Flying from Bangkok to Siem Reap in July is currently the most expensive (average of ฿8,210). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BKK to SAI?
Find hourly flight availability from Bangkok to Siem Reap. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 September 2026.
It’s typically best to fly out from Bangkok to Siem Reap at midday. Doing so could potentially save you 22% on the flight price compared to flying in the afternoon, which is usually more expensive.
What is the cheapest day to fly from Bangkok to Siem Reap?
Use this chart to determine the cheapest time to fly return from Bangkok to Siem Reap. Price data was last updated on 25 April 2026.
Travellers seeking maximum savings on their Bangkok to Siem Reap flight should consider departing on Wednesday at midday when fares are most often at their lowest. Friday at midday flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Bangkok to Siem Reap
Explore weekly flight availability from Bangkok to Siem Reap. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 26 September 2026.
The most flights from TH1 to SAI are scheduled on a Friday (35 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (20 on average).
How often are flights from Bangkok to Siem Reap delayed?
About 18% of weekly flights between Bangkok and Siem Reap have experienced delays in the past year, with the average delay time being 88 minutes.
What is the most punctual flight time for Bangkok to Siem Reap flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Bangkok to Siem Reap flights?
Over the past year, Bangkok Airways have had the lowest number of delays on this route, with just 12% of flights being delayed.
Reviews of airlines servicing Siem Reap
Get insights into the airlines that provide service to Siem Reap. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Siem Reap. Reviews last updated 26 September 2026.
Check out reviews from past customers who have flown with Emirates,Bangkok Airways, andThai AirAsia from Bangkok to Siem Reap to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Staff are very attentive. Food is good and enough. Planes are ckean and economy space is good. Would like more recent movies on the list.
Related info for your journey
Find useful and relevant information for your journey from Bangkok to Siem Reap. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly into for flights to Siem Reap from Bangkok?
For a flight from Bangkok to Siem Reap, you will be flying into Siem Reap–Angkor Intl. Siem Reap–Angkor Intl (SAI) is just 39.7 km from the centre vof the city. Siem Reap–Angkor Intl is the only Siem Reap airport and it handles 25 inbound flights from Bangkok per day. 3 airlines have flights to Siem Reap–Angkor Intl from Bangkok on a regular basis.
What are the cheapest airlines flying from Bangkok to Siem Reap round-trip?
Cheapflights users have booked flights from Bangkok to Siem Reap return from ฿3,128. Other airlines that can offer you cheap pricing are Emirates, from ฿6,568, and Bangkok Airways, from ฿6,866. Thai AirAsia is priced at 58% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Bangkok to Siem Reap one-way?
To fly one-way, consider booking your trip with Thai AirAsia, which is currently one of the cheapest options available, starting at ฿2,811. Bangkok Airways flights start at ฿3,500 while deals on Emirates start at ฿3,833 one-way.
What are the most reliable airlines from Bangkok to Siem Reap?
Before booking your flight to Siem Reap from Bangkok, have a look at the most reliable airlines to get you to your destination on time: Finnair (84%), Emirates (80%), แควนตัสแอร์เวย์( 76%).
What are the cheapest flights from Bangkok to Siem Reap?
Looking at all options, your cheapest flight can be booked for ฿4,292. While the most popular route (Bangkok Suvarnabhumi - Siem Reap–Angkor Intl) can be booked for ฿6,474 on average, our data indicates ฿4,292 when flying from Bangkok to Siem Reap.
Can I find deals for business class flights from Bangkok to Siem Reap?
Yes. Cheapflights offers flight deals from Bangkok to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Bangkok to Siem Reap?
Currently, March is the cheapest month in which you can book a flight from Bangkok to Siem Reap (average of ฿7,142). Flying from Bangkok to Siem Reap in July is currently the most expensive (average of ฿8,210). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Discover the top 3 airlines that operate flights from Bangkok to Siem Reap. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 26 September 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Bangkok to Siem Reap?
Cheapflights makes it easy to find Bangkok to Siem Reap flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Bangkok to Siem Reap?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Bangkok to Siem Reap for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Bangkok to Siem Reap with no change fees?
Yes, we can. To see specific flights from Bangkok to Siem Reap with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Bangkok to Siem Reap become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Siem Reap from Bangkok today and book when prices fit your budget.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book With Flexibility
Our users can plan ahead with confidence and find flights with no change fees.
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.