Cheap Flights Bangkok to Siem Reap from £69

Flight FAQs

• Which airlines offer the cheapest flights from Bangkok to Siem Reap?

  Based on Trip.com data, Thai AirAsia offers Cheapest nonstop one-way flights from £69 (for example, DMK–SAI on Thu, Oct 29). For a Cheapest nonstop return flight, Thai AirAsia offers fares from £149, departing on Sun, Oct 25 and returning on Wed, Oct 28.

• Which airlines offer direct flights from Bangkok to Siem Reap?

  At the moment, you can catch a direct flight from Bangkok to Siem Reap with the following airlines, including: Thai AirAsia Cambodia Airways Bangkok Airways Emirates Thai Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from Bangkok to Siem Reap?

  A flight from Bangkok (BKK) to Siem Reap (SAI) takes an average of 1 hour 15 minutes.

• When is the best time to book flights from Bangkok to Siem Reap?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Bangkok to Siem Reap is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there from Bangkok to Siem Reap each week?

  On average, 41 direct flights operate each week between Bangkok and Siem Reap. See below the schedules of the main airlines serving this route:
  Thai AirAsia: S/M/T/W/T/F/S – FD610 (departure at 10:21)

• How can I find the best deals on flights from Bangkok to Siem Reap?

  Here are some tips for finding the best flight deals from Bangkok to Siem Reap on Trip.com:
  · Be flexible with your travel dates. The cheapest flight is currently on Thu, Oct 29, with one-way fares from just £69.
  · Compare airlines. Thai AirAsia currently offers the lowest fares on this route.
  · Set up a price alert to track fare changes without searching every day.
  · Check Trip.com regularly for flight deals and available promo codes.
  · Avoid peak season or book early. July is generally the busiest month for travel to Siem Reap.
  · Get exclusive promo codes on the Trip.com app.

• When is the best time to book a flight from Bangkok to Siem Reap to get the best price?

  The cheapest month to book a flight from Bangkok to Siem Reap is usually September, when demand is lower.

• Which upcoming date is the cheapest for flights from Bangkok to Siem Reap?

  After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Bangkok to Siem Reap on October 21, 2026 with Thai AirAsia, with prices starting at £58.

• Which airports should you choose for flights from Bangkok to Siem Reap?

  Flights to Siem Reap can arrive at: Siem Reap Angkor International Airport (SAI). The most common route connects Don Mueang International Airport and Siem Reap Angkor International Airport (DMK–SAI).

• What is the time difference between Bangkok and Siem Reap?

  The time difference between Siem Reap and Bangkok is 0m.

• How can I change or cancel my flight ticket from Bangkok to Siem Reap?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average price of a one-way flight from Bangkok to Siem Reap?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Bangkok to Siem Reap is £171. Fares vary by travel date, airline and availability.

• What is the average price of a return flight from Bangkok to Siem Reap?

  Based on Trip.com data for flights departing in the next 30 days, the average return fare from Bangkok to Siem Reap is £290. Fares vary by travel date, airline and availability.

• How do I book flights from Bangkok to Siem Reap on Trip.com?

  Enter Bangkok and Siem Reap, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.

• Are there budget airlines on the Bangkok to Siem Reap route?

  Thai AirAsiaare the most popular budget airlines flying from Bangkok to Siem Reap. Check baggage, seat and payment fees before comparing the final price.