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Cheap Flights from Chiang Rai to Siem Reap–Angkor

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Compare Chiang Rai 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 Chiang Rai to Siem Reap–Angkor

Looking for a cheap last-minute deal or the best return flight from Chiang Rai to Siem Reap–Angkor ? Find the lowest prices on one-way and return tickets right here.
Siem Reap.Rs25,248 per passenger.Departing Tue, 11 Mar.One-way flight with Nok Air.Outbound indirect flight with Nok Air, departs from Chiang Rai on Tue, 11 Mar, arriving in Siem Reap–Angkor .Price includes taxes and charges.From Rs25,248, select.
Siem Reap.Rs29,414 per passenger.Departing Wed, 30 Jul.One-way flight with Nok Air.Outbound indirect flight with Nok Air, departs from Chiang Rai on Wed, 30 Jul, arriving in Siem Reap–Angkor .Price includes taxes and charges.From Rs29,414, select.
Siem Reap.Rs29,456 per passenger.Departing Fri, 29 Aug.One-way flight with Nok Air.Outbound indirect flight with Nok Air, departs from Chiang Rai on Fri, 29 Aug, arriving in Siem Reap–Angkor .Price includes taxes and charges.From Rs29,456, select.
Siem Reap.Rs29,456 per passenger.Departing Wed, 2 Apr.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Chiang Rai on Wed, 2 Apr, arriving in Siem Reap–Angkor .Price includes taxes and charges.From Rs29,456, select.
Siem Reap.Rs29,456 per passenger.Departing Thu, 12 Jun.One-way flight with Nok Air.Outbound indirect flight with Nok Air, departs from Chiang Rai on Thu, 12 Jun, arriving in Siem Reap–Angkor .Price includes taxes and charges.From Rs29,456, select.
Siem Reap.Rs30,959 per passenger.Departing Tue, 2 Sep.One-way flight with Nok Air.Outbound indirect flight with Nok Air, departs from Chiang Rai on Tue, 2 Sep, arriving in Siem Reap–Angkor .Price includes taxes and charges.From Rs30,959, select.
Siem Reap.Rs31,260 per passenger.Departing Wed, 29 Oct.One-way flight with Thai VietJet Air.Outbound indirect flight with Thai VietJet Air, departs from Chiang Rai on Wed, 29 Oct, arriving in Siem Reap–Angkor .Price includes taxes and charges.From Rs31,260, select.
Siem Reap.Rs32,922 per passenger.Departing Mon, 24 Nov.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Chiang Rai on Mon, 24 Nov, arriving in Siem Reap–Angkor .Price includes taxes and charges.From Rs32,922, select.

Find the cheapest month to fly from Chiang Rai 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 Rai to Siem Reap–Angkor flights are currently cheapest in March.
Mar
from Rs25,280
Apr
from Rs29,494
May
from Rs35,711
Jun
from Rs29,494
Jul
from Rs29,451
Aug
from Rs29,494
Sep
from Rs30,998
Oct
from Rs31,299
Nov
from Rs32,964
Dec
from Rs40,930
Jan
Find prices
Feb
Find prices

Chiang Rai to Siem Reap–Angkor : Alternative routes

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

Chiang Rai to Siem Reap: Flight information

The things to know before you go.
Cheapest flight foundRs25,248
Cheapest month to flyMarch

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

The best price we found for a return flight from Chiang Rai to Siem Reap–Angkor is Rs66,511. 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 Rai to Siem Reap–Angkor . But we found flights with one or more stops from Rs66,511.
As of March 2025, there are no flights flying from Chiang Rai to Siem Reap–Angkor .
The cheapest month to fly from Chiang Rai to Siem Reap–Angkor is usually March 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chiang Rai Airport to Siem Reap–Angkor Airport on Monday, 9 June 2025.
No airlines currently offer direct flights between Chiang Rai 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, Nok Air offers the cheapest flight tickets to Siem Reap–Angkor .

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

  • During popular months like August, it's a good idea to get to the airport earlier. Plan to arrive two hours before domestic departures and four hours ahead for international flights whenever you're travelling during a peak period in general.

  • Choose a stopover if you'd like to break up your flight from Chiang Rai International Airport to Siem Reap-Ankor International Airport. To look at all your options, simply uncheck 'Direct flights only.' Suvarnabhumi Airport is a top stopover on the CEI to SAI route.

  • To see if you need a visa to enter Cambodia, check with your airline and the local embassy or consulate. They'll give you the most up-to-date details, including any other travel documents you may need after booking your cheap ticket from CEI to SAI.

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

  • The lowest price we've seen for a one-way ticket from Chiang Rai International Airport to Siem Reap-Ankor International Airport is Rs25,280. For a return flight on this route, the best price is Rs66,427. Depending on the availability when you book, these fares can change.

  • It's usually best to book ahead of time if you're looking for cheap flights from CEI to SAI. That's because airlines adjust prices based on demand, which tends to increase closer to the date of departure.

  • Finding cheap flights from Chiang Rai International Airport to Siem Reap-Ankor International Airport is easy if you're flexible with your trip dates. Try using the 'Whole month' function to see the lowest prices throughout the month and score a great deal.

  • Finding a cheap ticket from CEI to SAI is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as there's a better deal.

  • Use filters to tailor your flights from Chiang Rai International Airport to Siem Reap-Ankor International Airport. Simply enter your preferred arrival and departure times, number of stops and airlines. Alternatively, sort your results by 'Cheapest' to get the best deals.

Handy information about Chiang Rai International Airport (CEI)

  • Central Chiang Rai to Chiang Rai International Airport is approximately 8 kilometres. Depending on traffic, it'll take you about 14 minutes to get there if you're ride-sharing, catching a cab or driving.

  • Looking for a handy hotel near CEI? If you're catching an early flight from Chiang Rai International Airport to Siem Reap-Ankor International Airport, these stays will put you moments from your check-in counter:

Arriving at Siem Reap-Ankor International Airport (SAI)

  • Consider checking in to Chansor Community Homestay 18 after touching down from your flight from Chiang Rai International Airport to Siem Reap-Ankor International Airport. It's not too far from SAI and a great option if you'd like to relax as soon as possible.

Getting from Siem Reap-Ankor International Airport (SAI) to central Siem Reap

  • Siem Reap-Ankor International Airport to central Siem Reap is about 59 minutes in a car. It's approximately 48 kilometres away. Find out what options are available, such as cabs, car rentals or ride-sharing services.

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

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

  • The warmest month in Siem Reap is March, with the temperature ranging between 22ºC and 38ºC. Lock in your flights from Chiang Rai International Airport to Siem Reap-Ankor International Airport in this month if this is the type of weather you enjoy.

  • Search for cheap flights from CEI to SAI in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 18ºC and 33ºC on average.

More about Siem Reap

  • Once you've booked your flights from CEI to SAI, you'll want to find somewhere to stay in Siem Reap. Make one of these options your base for exploring this top destination:

  • Bayon Temple and Angkor Thom are just two of the major attractions to add to your Siem Reap to-do list. Keep the sightseeing going at Pub Street.

Complete your Siem Reap trip with hotels and a car rental

  • We've got more party tricks than just comparing flights. Once you've secured your cheap ticket to Siem Reap-Ankor International Airport, browse our car rental deals that'll give you the freedom to travel around at your own pace. Next, have a look at our exclusive rates for hotels to find the perfect Siem Reap stay.

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

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