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Siem Reap

$122+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SAI
Aug 30 — Sep 61
Sun 8/30
Sun 9/6
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 July 31, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:15 am
CNX
-
SAI
1 stop7h 55m
Multiple Airlines
Sat 10/34:55 pm
SAI
-
CNX
1 stop5h 50m
Multiple Airlines
Deal found 7/31$278
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:50 am
CNX
-
SAI
1 stop4h 20m
Multiple Airlines
Sun 9/2011:55 am
SAI
-
CNX
1 stop10h 50m
Multiple Airlines
Deal found 7/30$288
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:10 pm
CNX
-
SAI
1 stop13h 50m
Multiple Airlines
Sat 10/314:50 pm
SAI
-
CNX
1 stop6h 00m
Multiple Airlines
Deal found 7/30$292
This Booking.com deal was found by Cheapflights users on 7/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:10 pm
CNX
-
SAI
1 stop3h 50m
Thai AirAsia
Sat 10/3111:45 am
SAI
-
CNX
1 stop4h 55m
Thai AirAsia
Deal found 7/30$320
This Mytrip deal was found by Cheapflights users on 7/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:10 am
CNX
-
SAI
1 stop4h 00m
Multiple Airlines
Wed 8/1911:30 am
SAI
-
CNX
2 stops8h 55m
Multiple Airlines
Deal found 7/27$363

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 July 31, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$251
(Booking.com)

One-way from

$122
(Priceline)
Provider with most accurate pricing for Chiang Mai-Siem Reap–Angkor Intl flight deals.
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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
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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 July 31, 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

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Mon 1/18

9:10 pm-11:00 am

1 stop13h 50m

Siem Reap–Angkor Intl

Mon 1/25

8:45 pm-10:20 am

1 stop13h 35m

$251

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Fri 9/25

8:15 am-4:10 pm

1 stop7h 55m

Siem Reap–Angkor Intl

Sat 10/3

4:55 pm-10:45 pm

1 stop5h 50m

$278
Quickest round-trip

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Wed 10/28

12:10 pm-4:00 pm

1 stop3h 50m

Siem Reap–Angkor Intl

Sat 10/31

4:50 pm-10:00 pm

1 stop5h 10m

$302

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Tue 8/18

7:10 am-11:10 am

1 stop4h 00m

Siem Reap–Angkor Intl

Wed 8/19

11:30 am-8:25 pm

2 stops8h 55m

$363

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Fri 11/20

7:45 pm-9:15 am

1 stop13h 30m

Siem Reap–Angkor Intl

Tue 11/24

1:20 pm-1:45 pm

1 stop24h 25m

$592

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Thu 10/22

10:10 am-9:30 pm

1 stop11h 20m

Siem Reap–Angkor Intl

Sat 11/21

1:20 pm-7:00 pm

1 stop5h 40m

$687
Cheapest one-way
Quickest one-way

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Thu 11/12

6:30 am-11:00 am

1 stop4h 30m

$124

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Sat 11/14

6:30 am-11:00 am

1 stop4h 30m

$171

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Sat 11/28

10:10 pm-11:00 am

1 stop12h 50m

$179

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Sun 10/18

8:00 pm-9:00 am

1 stop13h 00m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 11 resultsSorted by cheapest first
1
2
  • 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 July 31, 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
246 reviews

Entertainment

5.5

Boarding

7.4

Comfort

6.7

Food

6.2

Overall

7.4

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
246 reviews
Thai AirAsia
7.4
Good
246 reviews

Entertainment

5.5

Boarding

7.4

Comfort

6.7

Food

6.2

Overall

7.4

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 $251, Thai AirAsia can have you in Siem Reap from Chiang Mai in 13h 50m. 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.
Suvarnabhumi to Siem Reap flights
Phuket City 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 July 31, 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest$112Average$241FlexibilityNo cancel feeOn-time87%

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