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Siem Reap

$115+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SAI
Jul 15 — Jul 221
Wed 7/15
Wed 7/22
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 June 15, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Wed 10/282:20 pm
CNX
-
SAI
1 stop5h 40m
Multiple Airlines
Tue 11/34:50 pm
SAI
-
CNX
1 stop4h 25m
Multiple Airlines
Deal found 6/12$307
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Wed 10/288:10 am
CNX
-
SAI
1 stop7h 50m
Multiple Airlines
Mon 11/24:50 pm
SAI
-
CNX
1 stop4h 25m
Multiple Airlines
Deal found 6/12$318
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Wed 10/281:05 pm
CNX
-
SAI
1 stop6h 55m
Multiple Airlines
Sun 11/14:50 pm
SAI
-
CNX
1 stop4h 45m
Multiple Airlines
Deal found 6/12$322
This Mytrip deal was found by Cheapflights users on 6/11. 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 11/1010:00 pm
CNX
-
SAI
1 stop13h 00m
Multiple Airlines
Thu 11/128:45 pm
SAI
-
CNX
1 stop11h 10m
Multiple Airlines
Deal found 6/11$350
This Emirates deal was found by Cheapflights users on 6/13. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:00 pm
CNX
-
SAI
1 stop25h 30m
Emirates
Tue 9/111:50 pm
SAI
-
CNX
1 stop9h 30m
Emirates
Deal found 6/13$388
This Emirates deal was found by Cheapflights users on 6/13. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:00 pm
CNX
-
SAI
1 stop25h 30m
Emirates
Fri 9/412:55 pm
SAI
-
CNX
1 stop20h 25m
Emirates
Deal found 6/13$392
This Bangkok Airways deal was found by Cheapflights users on 6/13. 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 Bangkok Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/238:00 pm
CNX
-
SAI
1 stop13h 00m
Bangkok Airways
Tue 9/112:55 pm
SAI
-
CNX
1 stop6h 15m
Bangkok Airways
Deal found 6/13$399
This Emirates deal was found by Cheapflights users on 6/12. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/228:00 pm
CNX
-
SAI
1 stop25h 30m
Emirates
Sun 6/2812:55 pm
SAI
-
CNX
1 stop20h 25m
Emirates
Deal found 6/12$404
This FlightHub deal was found by Cheapflights users on 6/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/229:10 pm
CNX
-
SAI
1 stop24h 20m
Multiple Airlines
Sun 6/2812:55 pm
SAI
-
CNX
1 stop22h 20m
Multiple Airlines
Deal found 6/15$408
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Wed 10/2812:10 pm
CNX
-
SAI
1 stop3h 50m
Multiple Airlines
Fri 11/69:50 am
SAI
-
CNX
1 stop3h 30m
Multiple Airlines
Deal found 6/12$433

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 June 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$307
(Kiwi.com)

One-way from

$123
(AirAsia)
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.
Search Deals
From Chiang Mai to Siem Reap–Angkor Intl
Search Deals
One-way flight from Chiang Mai to Siem Reap–Angkor Intl
Search Deals

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 June 15, 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

Sun 8/23

8:00 pm-9:00 am

1 stop13h 00m

Siem Reap–Angkor Intl

Sun 9/6

9:40 am-7:10 pm

1 stop9h 30m

$399
Quickest round-trip

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Sun 8/23

8:00 pm-9:00 am

1 stop13h 00m

Siem Reap–Angkor Intl

Tue 9/1

12:55 pm-7:10 pm

1 stop6h 15m

$399

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Wed 10/28

3:35 pm-9:00 pm

3 stops29h 25m

Siem Reap–Angkor Intl

Sat 10/31

10:00 pm-9:05 am

1 stop11h 05m

$704

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Wed 10/28

3:35 pm-9:00 pm

3 stops29h 25m

Siem Reap–Angkor Intl

Thu 11/5

10:00 pm-9:05 am

1 stop11h 05m

$704

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Wed 10/28

2:55 pm-11:50 am

2 stops20h 55m

Siem Reap–Angkor Intl

Sat 10/31

12:30 pm-2:15 pm

2 stops25h 45m

$753

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Wed 10/28

2:55 pm-11:50 am

2 stops20h 55m

Siem Reap–Angkor Intl

Tue 11/3

12:30 pm-2:15 pm

2 stops25h 45m

$753

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Thu 8/20

12:30 am-8:10 pm

3 stops19h 40m

Siem Reap–Angkor Intl

Wed 9/2

9:10 pm-8:10 am

1 stop11h 00m

$761

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Wed 8/19

2:55 pm-8:10 pm

3 stops53h 15m

Siem Reap–Angkor Intl

Fri 9/4

9:10 pm-9:15 am

1 stop12h 05m

$793

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Mon 8/17

2:55 pm-8:10 pm

2 stops53h 15m

Siem Reap–Angkor Intl

Fri 9/4

9:10 pm-9:15 am

1 stop12h 05m

$837

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Mon 8/17

2:55 pm-8:10 pm

3 stops53h 15m

Siem Reap–Angkor Intl

Wed 9/2

9:10 pm-8:10 am

1 stop11h 00m

$885

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 15 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 June 15, 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
243 reviews

Crew

7.9

Comfort

6.7

Overall

7.4

Entertainment

5.5

Boarding

7.3

Food

6.2

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
243 reviews
Thai AirAsia
7.4
Good
243 reviews

Crew

7.9

Comfort

6.7

Overall

7.4

Entertainment

5.5

Boarding

7.3

Food

6.2

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 $399, Bangkok Airways can have you in Siem Reap from Chiang Mai in 13h. The distance from Chiang Mai to Siem Reap is about 510 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 June 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest$112Average$246FlexibilityNo cancel feeOn-time87%

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