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Cheap Flights from Siem Reap–Angkor to Chiang Rai

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Compare Siem Reap–Angkor to Chiang Rai flight deals

Find the cheapest month or even day of the year to fly to Chiang Rai

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Flight deals from Siem Reap–Angkor to Chiang Rai

Looking for a cheap last-minute deal or the best return flight from Siem Reap–Angkor to Chiang Rai? Find the lowest prices on one-way and return tickets right here.
Chiang Rai.R 1,813 per passenger.Departing Mon, 9 Jun.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Mon, 9 Jun, arriving in Chiang Rai.Price includes taxes and charges.From R 1,813, select.
Chiang Rai.R 1,984 per passenger.Departing Sat, 24 May.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Sat, 24 May, arriving in Chiang Rai.Price includes taxes and charges.From R 1,984, select.
Chiang Rai.R 2,156 per passenger.Departing Fri, 8 Aug.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Fri, 8 Aug, arriving in Chiang Rai.Price includes taxes and charges.From R 2,156, select.
Chiang Rai.R 2,216 per passenger.Departing Tue, 1 Jul.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Tue, 1 Jul, arriving in Chiang Rai.Price includes taxes and charges.From R 2,216, select.
Chiang Rai.R 2,837 per passenger.Departing Sat, 27 Sep.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Sat, 27 Sep, arriving in Chiang Rai.Price includes taxes and charges.From R 2,837, select.
Chiang Rai.R 2,962 per passenger.Departing Thu, 19 Feb.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Thu, 19 Feb, arriving in Chiang Rai.Price includes taxes and charges.From R 2,962, select.
Chiang Rai.R 2,983 per passenger.Departing Fri, 14 Nov.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Fri, 14 Nov, arriving in Chiang Rai.Price includes taxes and charges.From R 2,983, select.
Chiang Rai.R 3,163 per passenger.Departing Sun, 4 Jan.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Sun, 4 Jan, arriving in Chiang Rai.Price includes taxes and charges.From R 3,163, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Siem Reap–Angkor to Chiang Rai flights are currently cheapest in June.
May
from R 1,984
Jun
from R 1,813
Jul
from R 2,216
Aug
from R 2,156
Sep
from R 2,837
Oct
Find prices
Nov
from R 2,983
Dec
from R 3,472
Jan
from R 3,163
Feb
from R 2,962
Mar
Find prices
Apr
Find prices

Siem Reap–Angkor to Chiang Rai: Alternative routes

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

Siem Reap to Chiang Rai: Flight information

The things to know before you go.
Cheapest flight foundR 1,813
Cheapest month to flyJune

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

The best price we found for a return flight from Siem Reap–Angkor to Chiang Rai is R 3,989. 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 Siem Reap–Angkor to Chiang Rai. But we found flights with one or more stops from R 3,989.
As of May 2025, there are no flights flying from Siem Reap–Angkor to Chiang Rai.
The cheapest month to fly from Siem Reap–Angkor to Chiang Rai is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Siem Reap–Angkor Airport to Chiang Rai Airport on Thursday, 12 June 2025.
No airlines currently offer direct flights between Siem Reap–Angkor Airport and Chiang Rai 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 Chiang Rai 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 Chiang Rai 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 Chiang Rai.

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

  • Siem Reap and Chiang Rai share the same timezone, UTC+7.

  • Your SAI to CEI flight won't wait if you're late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • Travelling during a peak month such as April? School holidays and other popular periods can result in longer queues and delays at airport checkpoints. Play it safe and arrive up to four hours ahead of international flights and two hours before domestic departures.

  • If you want to discover a new city along the way, search for a flight with a stopover. To see your options for tickets from Siem Reap-Ankor International Airport to Chiang Rai International Airport, deselect 'Direct flights only.' Suvarnabhumi Airport is a well-known stop between SAI and CEI.

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

  • R 1,813 is the lowest price for a one-way Siem Reap-Ankor International Airport to Chiang Rai International Airport flight. A return flight starts from R 3,989. These prices may change based on demand.

  • It's a good idea to book ahead of time if you're looking for cheap tickets from SAI to CEI. That's because airlines change prices based on demand, which tends to increase closer to the date of departure.

  • If you're willing to be flexible with your trip dates, try using the 'Whole month' search function. It'll give you the lowest price across every month when searching for a flight from Siem Reap-Ankor International Airport to Chiang Rai International Airport.

  • Picking up cheap flights from SAI to CEI is easy with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch as soon as a new deal comes up.

  • Secure the ideal flight for you by using the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Siem Reap-Ankor International Airport to Chiang Rai International Airport, use the 'Sort by' function. You can also filter by airline, arrival and departure times, and number of stops.

Handy information about Siem Reap-Ankor International Airport (SAI)

  • Siem Reap-Ankor International Airport has an excellent on-time performance, so you're unlikely to face delays. Departures from SAI land on schedule 80.01% of the time.

  • To reach Siem Reap-Ankor International Airport from central Siem Reap, it'll take around 1 hour if you're travelling by car. This depends on traffic, however. It's approximately 48 kilometres from the airport to the city centre.

  • Need a place to stay before your flight from Siem Reap-Ankor International Airport to Chiang Rai International Airport? Check out Chansor Community Homestay 18. Catch some z's here before heading to SAI.

Arriving at Chiang Rai International Airport (CEI)

  • If you're coming in on a late Siem Reap-Ankor International Airport to Chiang Rai International Airport flight, nothing tops the convenience of being close to the terminal. Grab your bags from the carousel and then be showered and sleeping not long after at one of these accommodation options near CEI:

  • Say yes to new adventures by picking up a Chiang Rai International Airport rental car. Grab a set of wheels from Chic Car Rent, Drive Car Hire or Hertz and explore beyond Chiang Rai's main sights.

  • Lock in the best rate by booking your ride from Chiang Rai International Airport about four weeks ahead of your departure.

Getting from Chiang Rai International Airport (CEI) to central Chiang Rai

  • Chiang Rai International Airport is approximately 8 kilometres from the centre of Chiang Rai. Driving there takes about 15 minutes.

When to fly to Chiang Rai International Airport (CEI)

  • April is the busiest month for flights from Siem Reap-Ankor International Airport to Chiang Rai International Airport. For a quieter experience, visit Chiang Rai in February.

  • The warmest month in Chiang Rai is April, with the temperature ranging between 22ºC (72ºF) and 41ºC (106ºF). Book your flights from Siem Reap-Ankor International Airport to Chiang Rai International Airport in this month if this is the type of weather you enjoy.

  • Search for cheap tickets from SAI to CEI in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between 12ºC (54ºF) and 30ºC (86ºF) on average.

Explore more of Thailand

  • Chiang Rai is easy to fall in love with, but there are so many other parts of Thailand just waiting to be explored. Around 418 kilometres south-east of Chiang Rai, a trip to Udon Thani will keep your itinerary busy. Start with leading attractions like Nong Prajak Public Park, Krom Luang Prachaksinlapakhom Monument and Chinesisches Tor.

  • If you want to check out another major stop in Thailand, consider Chiang Mai, about 153 kilometres south-west of Chiang Rai. Doi Suthep, Kalare Night Bazaar and Wat Phra Singh are among the biggest draws.

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

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