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Siem Reap

$144+ Cheap flights from Chiang Mai (CNX) to Siem Reap, Cambodia (SAI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SAI
May 30 — Jun 61
Sat 5/30
Sat 6/6
1 adult, Economy
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Cheap flight deals from Chiang Mai to Siem Reap

Cheapest flights from Chiang Mai to Siem Reap
Explore the most affordable flight options available from Chiang Mai to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2026.

This ThaiVietJet deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ThaiVietJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:25 am
CNX
-
SAI
1 stop7h 45m
Multiple Airlines
Mon 9/1412:55 pm
SAI
-
CNX
1 stop7h 30m
Multiple Airlines
Deal found 4/26$333
This Gotogate deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:10 am
CNX
-
SAI
2 stops11h 45m
Vietnam Airlines
Mon 9/146:05 pm
SAI
-
CNX
2 stops19h 40m
Vietnam Airlines
Deal found 4/26$699

Find flight deals from Chiang Mai to Siem Reap

Discover tips and strategies to find the most affordable flight options for your journey from Chiang Mai (CNX) to Siem Reap (SAI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$333
(ThaiVietJet)

One-way from

$144
(Mytrip)
Provider with most accurate pricing for Chiang Mai-Siem Reap–Angkor Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chiang Mai-Siem Reap–Angkor Intl flights.
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From Chiang Mai to Siem Reap–Angkor Intl
Search Deals
One-way flight from Chiang Mai to Siem Reap–Angkor Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Chiang Mai to Siem Reap that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 30, 2026.
Use the filters below to find and compare flights from Chiang Mai to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Sat 9/12

8:25 am-4:10 pm

1 stop7h 45m

Siem Reap–Angkor Intl

Mon 9/14

12:55 pm-8:25 pm

1 stop7h 30m

$333

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Sat 9/12

10:10 am-9:55 pm

2 stops11h 45m

Siem Reap–Angkor Intl

Mon 9/14

6:05 pm-1:45 pm

2 stops19h 40m

$699
Cheapest one-way

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Wed 5/6

8:15 am-4:10 pm

1 stop7h 55m

$147

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Thu 8/6

6:50 am-4:10 pm

1 stop9h 20m

$154

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Thu 8/13

7:05 pm-11:10 am

1 stop16h 05m

$154
Quickest one-way

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Mon 5/25

11:05 am-4:10 pm

1 stop5h 05m

$170

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Tue 10/20

9:25 am-4:10 pm

2 stops6h 45m

$226

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Fri 5/29

10:10 am-4:55 pm

2 stops6h 45m

$293

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Sat 5/23

2:35 pm-12:20 pm

2 stops21h 45m

$306

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Mon 10/19

2:35 pm-12:15 pm

2 stops45h 40m

$308

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Compare providers for flights from Chiang Mai to Siem Reap

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chiang Mai to Siem Reap in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chiang Mai-Siem Reap flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chiang Mai-Siem Reap flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chiang Mai-Siem Reap flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chiang Mai-Siem Reap flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chiang Mai-Siem Reap flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chiang Mai to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Chiang Mai with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Siem Reap

Get insights into the airlines that provide service to Siem Reap. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Siem Reap. Reviews last updated April 30, 2026.
Peruse reviews from past customers who have flown with Thai AirAsia from Chiang Mai to Siem Reap to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai AirAsia
7.4
Good
241 reviews

Boarding

7.3

Overall

7.4

Food

6.2

Entertainment

5.5

Comfort

6.8

Crew

7.9

Reviews

1 / 5
8.0
Excellent

marc,Nov 2025

DMK - DAD

Upon check in they wanted to charge me extra for extra 1 kilo Poor challenge. You advertise to get people on your airline then you challenge them Wrong move
Thai AirAsia
7.4
Good
241 reviews
Thai AirAsia
7.4
Good
241 reviews

Boarding

7.3

Overall

7.4

Food

6.2

Entertainment

5.5

Comfort

6.8

Crew

7.9

Reviews

1 / 5
8.0
Excellent

marc,Nov 2025

DMK - DAD

Upon check in they wanted to charge me extra for extra 1 kilo Poor challenge. You advertise to get people on your airline then you challenge them Wrong move

Related info for your journey

Find useful and relevant information for your journey from Chiang Mai to Siem Reap. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Chiang Mai to Siem Reap?

    For as low as $699, Vietnam Airlines can have you in Siem Reap from Chiang Mai in 11h 45m. The distance from Chiang Mai to Siem Reap is about 510 mi.

  • What is the cheapest airline to fly from Chiang Mai to Siem Reap round-trip?

    According to our current data, Thai AirAsia ($112), offers the cheapest pricing from Chiang Mai to Siem Reap.

  • Can I find deals for flights from Chiang Mai to Siem Reap that include hotel bookings?

    Yes. In addition to deals on Chiang Mai to Siem Reap flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chiang Mai to Siem Reap?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chiang Mai to Siem Reap.

  • Can I find deals for business class flights from Chiang Mai to Siem Reap?

    Yes. Cheapflights offers flight deals from Chiang Mai to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Chiang Mai to Siem Reap

See prices for flight routes from nearby airports that may be better suited for you.
Phuket City to Siem Reap flights
Suvarnabhumi to Siem Reap flights
Don Mueang Intl to Siem Reap flights

Top airline flying from Chiang Mai to Siem Reap

Discover the top airline that operate flights from Chiang Mai to Siem Reap. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest$112Average$246FlexibilityNo cancel feeOn-time87%

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