Cheap Flights Chiang Mai to Siem Reap from £87

Flight FAQs

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

  Based on Trip.com data, Thai AirAsia offers Cheapest nonstop one-way flights from £87 (for example, CNX–SAI on Thu, Nov 5). For a Cheapest nonstop return flight, Thai AirAsia offers fares from £187, departing on Fri, Oct 16 and returning on Thu, Oct 22.

• Which airlines offer direct flights from Chiang Mai to Siem Reap?

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

• When is the best time to book flights from Chiang Mai 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 Chiang Mai 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 can I find the best deals on flights from Chiang Mai to Siem Reap?

  Here are some tips for finding the best flight deals from Chiang Mai to Siem Reap on Trip.com:
  · Be flexible with your travel dates. The cheapest flight is currently on Thu, Nov 5, with one-way fares from just £87.
  · 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. January 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 Chiang Mai to Siem Reap to get the best price?

  The cheapest month to book a flight from Chiang Mai to Siem Reap is usually October, when demand is lower.

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

  After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Chiang Mai to Siem Reap on October 29, 2026 with Thai AirAsia, with prices starting at £86.

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

  Flights to Siem Reap can arrive at: Siem Reap Angkor International Airport (SAI). The most common route connects Chiang Mai International Airport and Siem Reap Angkor International Airport (CNX–SAI).

• What is the time difference between Chiang Mai and Siem Reap?

  The time difference between Siem Reap and Chiang Mai is 0m.

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

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Chiang Mai to Siem Reap is £180. Fares vary by travel date, airline and availability.

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

  Enter Chiang Mai 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 Chiang Mai to Siem Reap route?

  Thai AirAsia and Thai Lion Airare the most popular budget airlines flying from Chiang Mai to Siem Reap. Check baggage, seat and payment fees before comparing the final price.