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Cheap Flights from Chiang Mai to Siem Reap–Angkor

Compare Chiang Mai to Siem Reap–Angkor flight deals

Find the cheapest month or even day of the year to fly to Siem Reap–Angkor

Book the best Siem Reap–Angkor fare with no extra fees

Flight deals from Chiang Mai to Siem Reap–Angkor

Looking for a cheap last-minute deal or the best return flight from Chiang Mai to Siem Reap–Angkor ? Find the lowest prices on one-way and return tickets right here.
Siem Reap.R 1,856 per passenger.Departing Wed, 14 Jan.One-way flight with Thai VietJet Air.Outbound indirect flight with Thai VietJet Air, departs from Chiang Mai on Wed, 14 Jan, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 1,856, select.
Siem Reap.R 1,867 per passenger.Departing Wed, 17 Dec.One-way flight with Thai VietJet Air.Outbound indirect flight with Thai VietJet Air, departs from Chiang Mai on Wed, 17 Dec, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 1,867, select.
Siem Reap.R 1,892 per passenger.Departing Tue, 10 Feb.One-way flight with Thai VietJet Air.Outbound indirect flight with Thai VietJet Air, departs from Chiang Mai on Tue, 10 Feb, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 1,892, select.
Siem Reap.R 1,898 per passenger.Departing Sun, 24 Aug.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Chiang Mai on Sun, 24 Aug, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 1,898, select.
Siem Reap.R 1,898 per passenger.Departing Thu, 2 Oct.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Chiang Mai on Thu, 2 Oct, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 1,898, select.
Siem Reap.R 1,902 per passenger.Departing Wed, 26 Nov.One-way flight with Thai VietJet Air.Outbound indirect flight with Thai VietJet Air, departs from Chiang Mai on Wed, 26 Nov, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 1,902, select.
Siem Reap.R 1,984 per passenger.Departing Tue, 30 Sep.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Chiang Mai on Tue, 30 Sep, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 1,984, select.
Siem Reap.R 2,171 per passenger.Departing Thu, 12 Mar.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Chiang Mai on Thu, 12 Mar, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 2,171, select.

Find the cheapest month to fly from Chiang Mai to Siem Reap–Angkor

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chiang Mai to Siem Reap–Angkor flights are currently cheapest in January.
Aug
from R 1,898
Sep
from R 1,984
Oct
from R 1,898
Nov
from R 1,902
Dec
from R 1,867
Jan
from R 1,856
Feb
from R 1,892
Mar
from R 2,171
Apr
from R 3,721
May
Find prices
Jun
Find prices
Jul
from R 2,176

Chiang Mai to Siem Reap–Angkor : Alternative routes

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

Chiang Mai to Siem Reap: Flight information

The things to know before you go.
Cheapest flight foundR 1,856
Cheapest month to flyJanuary

Finding cheap flights from Chiang Mai to Siem Reap–Angkor : Frequently asked questions

The best price we found for a return flight from Chiang Mai to Siem Reap–Angkor is R 4,198. 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 Chiang Mai to Siem Reap–Angkor . But we found flights with one or more stops from R 4,198.
As of August 2025, there are no flights flying from Chiang Mai to Siem Reap–Angkor .
The cheapest month to fly from Chiang Mai to Siem Reap–Angkor is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chiang Mai Airport to Siem Reap–Angkor Airport on Sunday, 17 August 2025.
No airlines currently offer direct flights between Chiang Mai Airport and Siem Reap–Angkor Airport. Most routes have one or more stops.
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, Thai AirAsia offers the cheapest flight tickets to Siem Reap–Angkor .

Travelling from Chiang Mai International Airport (CNX) to Siem Reap-Ankor International Airport (SAI): what you need to know

  • Chiang Mai and Siem Reap share the UTC+7 timezone. That means you won't need to account for any time differences.

  • Arrive at the airport on time so you don't miss your CNX to SAI flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid a last-minute sprint to the gate.

  • You'll likely experience longer lines during popular months such as August. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a good idea.

  • Opt for a stopover if you want to break up your flight. Simply uncheck 'Direct flights only' to see your options for tickets from Chiang Mai International Airport to Siem Reap-Ankor International Airport. Suvarnabhumi Airport is a popular stopover on the CNX to SAI route.

How to find the cheapest flights from Chiang Mai International Airport (CNX) to Siem Reap-Ankor International Airport (SAI)

  • At the moment, R 1,856 is the cheapest price we've found for a one-way Chiang Mai International Airport to Siem Reap-Ankor International Airport flight. The best price for a return ticket is R 4,198. Remember that fares may change due to demand when booking.

  • It's usually smart to book as early as possible if you're hoping to get cheap tickets from CNX to SAI. That's because airlines change prices based on demand, which tends to rise closer to the date of departure.

  • If you're willing to be flexible with your travel plans, try using the 'Whole month' tool. It'll find the lowest price in each month when searching for your flight from Chiang Mai International Airport to Siem Reap-Ankor International Airport.

  • Picking up cheap flights from CNX to SAI is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as a new deal comes up.

  • Pick your preferred arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Chiang Mai International Airport to Siem Reap-Ankor International Airport.

Handy information about Chiang Mai International Airport (CNX)

  • Of the departures from Chiang Mai International Airport, 76.37% arrive on time at their destination.

  • To get to Chiang Mai International Airport from central Chiang Mai, it'll take around 10 minutes if you're planning to drive. Of course, this depends on traffic conditions. It's approximately 5 kilometres from the airport to the city centre.

  • You can expect a journey time of roughly 25 minutes on public transport.

  • Get your holiday off to a relaxed start by staying near CNX. Whether you're taking an early flight from Chiang Mai International Airport to Siem Reap-Ankor International Airport or just don't like being rushed, these stays are the answer:

Arriving at Siem Reap-Ankor International Airport (SAI)

  • After your Chiang Mai International Airport to Siem Reap-Ankor International Airport flight has touched down, relax at a nearby hotel. Chansor Community Homestay 18 is a comfy option within easy reach of SAI.

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 reach the centre by car.

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

  • It's time to work out your travel dates for your flight from Chiang Mai International Airport to Siem Reap-Ankor International Airport. April is the most popular month to head to Siem Reap. If you like a quieter vibe, go in April.

  • The warmest month in Siem Reap is March, with the temperature ranging between 22ºC (72ºF) and 38ºC (100ºF). Book your flights from Chiang Mai International Airport to Siem Reap-Ankor International Airport in this month if this is the type of weather you like.

  • January has average temperatures of between 18ºC (64ºF) and 33ºC (91ºF). Search for cheap tickets from CNX to SAI around that time if you want to travel in cooler conditions.

Explore more of Cambodia

  • Siem Reap is always a good idea, but there are so many other parts of Cambodia you'll want to see. Around 225 kilometres south-east of Siem Reap, a visit to Phnom Penh will keep you on the move. Start with popular sights like Royal Palace, Tuol Sleng Genocide Museum and Wat Phnom.

  • Sihanoukville is another essential stop in Cambodia and is around 306 kilometres south of Siem Reap. No journey is complete without visiting Ochheuteal Beach, Wat Leu Temple and Wat Krom Temple.

Plan the rest of your trip from Chiang Mai to Siem Reap

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