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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.214 € per passenger.Departing Wed, 23 Apr, returning Wed, 30 Apr.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Chiang Rai on Wed, 23 Apr, arriving in Siem Reap–Angkor .Inbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Wed, 30 Apr, arriving in Chiang Rai.Price includes taxes and charges.From 214 €, select.
Siem Reap.244 € per passenger.Departing Tue, 27 May, returning Thu, 12 Jun.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Chiang Rai on Tue, 27 May, arriving in Siem Reap–Angkor .Inbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Thu, 12 Jun, arriving in Chiang Rai.Price includes taxes and charges.From 244 €, select.
Siem Reap.245 € per passenger.Departing Tue, 17 Jun, returning Sun, 22 Jun.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Chiang Rai on Tue, 17 Jun, arriving in Siem Reap–Angkor .Inbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Sun, 22 Jun, arriving in Chiang Rai.Price includes taxes and charges.From 245 €, select.
Siem Reap.246 € per passenger.Departing Tue, 17 Jun, returning Tue, 1 Jul.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Chiang Rai on Tue, 17 Jun, arriving in Siem Reap–Angkor .Inbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Tue, 1 Jul, arriving in Chiang Rai.Price includes taxes and charges.From 246 €, select.
Siem Reap.252 € per passenger.Departing Tue, 6 May, returning Mon, 26 May.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Chiang Rai on Tue, 6 May, arriving in Siem Reap–Angkor .Inbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Mon, 26 May, arriving in Chiang Rai.Price includes taxes and charges.From 252 €, select.
Siem Reap.258 € per passenger.Departing Tue, 1 Jul, returning Sat, 19 Jul.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Chiang Rai on Tue, 1 Jul, arriving in Siem Reap–Angkor .Inbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Sat, 19 Jul, arriving in Chiang Rai.Price includes taxes and charges.From 258 €, select.
Siem Reap.261 € per passenger.Departing Sat, 30 Aug, returning Wed, 17 Sep.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Chiang Rai on Sat, 30 Aug, arriving in Siem Reap–Angkor .Inbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Wed, 17 Sep, arriving in Chiang Rai.Price includes taxes and charges.From 261 €, select.
Siem Reap.262 € per passenger.Departing Wed, 23 Apr, returning Fri, 2 May.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Chiang Rai on Wed, 23 Apr, arriving in Siem Reap–Angkor .Inbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Fri, 2 May, arriving in Chiang Rai.Price includes taxes and charges.From 262 €, 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 April.
Apr
from 214 €
May
from 252 €
Jun
from 245 €
Jul
from 258 €
Aug
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Sep
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Oct
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Nov
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Dec
from 316 €
Jan
from 314 €
Feb
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Mar
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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 found214 €
Cheapest month to flyApril

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 214 €. 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 214 €.
As of April 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 April 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 Wednesday, 23 April 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.
Currently, Thai AirAsia offers the cheapest flight tickets to Siem Reap–Angkor .

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

  • Siem Reap's timezone is UTC+7, which is the same as Chiang Rai.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Make sure you're at the airport on time to catch your CEI to SAI flight.

  • Travelling during a peak month like April? Major public holidays and other popular seasons can lead to longer lines and delays at check-in and security. Be extra cautious and get there up to four hours before international flights and two hours before domestic departures.

  • Choose a stopover if you'd like to break up your flight. Simply uncheck 'Direct flights only' to see all your options for tickets from Chiang Rai International Airport to Siem Reap-Ankor International Airport. Suvarnabhumi Airport is a popular stopover on the CEI to SAI route.

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

  • 92 € is the lowest price for a one-way Chiang Rai International Airport to Siem Reap-Ankor International Airport flight. Return flights start at 214 €. These prices can change based on demand and availability.

  • Don't wait until the last moment. You're more likely to get cheap tickets from CEI to SAI if you book in advance. Airlines often offer some fantastic early bird rates.

  • If you're flexible with your travel plans, use the 'Whole month' search tool. It'll show you the lowest price across every month when searching for a flight from Chiang Rai International Airport to Siem Reap-Ankor International Airport.

  • There's no need to check back in every day to see if fares have dropped when you set up a Price Alert. We'll update you as soon as the price changes on cheap flights from CEI to SAI.

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

Handy information about Chiang Rai International Airport (CEI)

  • 73.36% of flights departing from Chiang Rai International Airport touch down at their destination on time.

  • Central Chiang Rai to Chiang Rai International Airport is approximately 8 kilometres. Depending on traffic, it'll take about 15 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Searching for a handy hotel close to CEI? If you've booked an early flight from Chiang Rai International Airport to Siem Reap-Ankor International Airport, these accommodation options will put you moments from your departure gate:

Arriving at Siem Reap-Ankor International Airport (SAI)

  • Hop off your Chiang Rai International Airport to Siem Reap-Ankor International Airport flight and be relaxing in your hotel bed shortly after. If you want a handy option a short journey from SAI, unpack your bags at Chansor Community Homestay 18.

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

  • Siem Reap-Ankor International Airport is approximately 48 kilometres from the centre of Siem Reap. The drive time takes around 1 hour.

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

  • The quietest month for a flight from Chiang Rai International Airport to Siem Reap-Ankor International Airport is April, while April is the busiest. Choose the best time to go to Siem Reap based on whether you prefer a more relaxed vibe or a faster pace.

  • The warmest month in Siem Reap is March, with temperatures ranging between 22ºC (72ºF) and 38ºC (100ºF). Book 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.

  • If you like cooler conditions, look for a cheap ticket from CEI to SAI in January. Temperatures average between 18ºC (64ºF) and 33ºC (91ºF) then.

Explore more of Cambodia

  • Phnom Penh is just one of the many cities in Cambodia waiting to be explored once you've seen the sights of Siem Reap. Around 225 kilometres away to the south-east, its top attractions include Royal Palace, Tuol Sleng Genocide Museum and Wat Phnom.

  • Around 306 kilometres south of Siem Reap, Sihanoukville is another essential stop in Cambodia. Start your sightseeing at Ochheuteal Beach, Wat Leu Temple and Wat Krom Temple.

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.