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Cheap flights from Chiang Mai to Siem Reap, Cambodia from ฿4,352

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
29 May — 5 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Chiang Mai to Siem Reap

Enter your travel dates to find the best prices.

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 29 April 2026.

Wed 30/912:00
CNX
-
SAI
1 stop4h 10m
Thai AirAsia
Tue 6/1016:55
SAI
-
CNX
1 stop3h 55m
Thai AirAsia
Deal found 25/4฿9,775
Tue 29/912:00
CNX
-
SAI
1 stop4h 10m
Thai AirAsia
Mon 5/1016:55
SAI
-
CNX
1 stop3h 55m
Thai AirAsia
Deal found 25/4฿9,807
Wed 30/912:00
CNX
-
SAI
1 stop4h 10m
Thai AirAsia
Sun 4/1016:55
SAI
-
CNX
1 stop3h 55m
Thai AirAsia
Deal found 25/4฿9,905
Wed 10/608:15
CNX
-
SAI
1 stop7h 55m
Multiple Airlines
Sun 14/616:55
SAI
-
CNX
1 stop22h 55m
Multiple Airlines
Deal found 26/4฿10,132
Fri 1/522:55
CNX
-
SAI
1 stop12h 15m
Thai AirAsia
Fri 29/516:55
SAI
-
CNX
1 stop25h 50m
Thai AirAsia
Deal found 26/4฿10,749
Sat 12/908:25
CNX
-
SAI
1 stop7h 45m
Multiple Airlines
Mon 14/912:55
SAI
-
CNX
1 stop7h 30m
Multiple Airlines
Deal found 26/4฿10,814
Wed 22/721:25
CNX
-
SAI
1 stop13h 45m
Multiple Airlines
Sun 26/711:55
SAI
-
CNX
1 stop10h 50m
Multiple Airlines
Deal found 28/4฿10,847
Sat 26/909:50
CNX
-
SAI
1 stop6h 20m
Thai AirAsia
Tue 6/1016:55
SAI
-
CNX
1 stop3h 55m
Thai AirAsia
Deal found 25/4฿10,912
Fri 25/909:50
CNX
-
SAI
1 stop6h 20m
Thai AirAsia
Sun 4/1016:55
SAI
-
CNX
1 stop3h 55m
Thai AirAsia
Deal found 25/4฿11,074
Sat 26/907:00
CNX
-
SAI
1 stop5h 15m
Multiple Airlines
Thu 1/1016:55
SAI
-
CNX
1 stop3h 55m
Multiple Airlines
Deal found 25/4฿11,431
Fri 25/907:00
CNX
-
SAI
1 stop5h 15m
Multiple Airlines
Thu 1/1016:55
SAI
-
CNX
1 stop3h 55m
Multiple Airlines
Deal found 25/4฿11,464
Fri 25/907:00
CNX
-
SAI
1 stop5h 15m
Multiple Airlines
Sat 3/1016:55
SAI
-
CNX
1 stop3h 55m
Multiple Airlines
Deal found 25/4฿11,496

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 29 April 2026.

Round-trip from

฿9,775

One-way from

฿4,352
Thai AirAsia
  • Thai AirAsia
  • 30/9-6/10
  • 2 total stops
  • 8h 05m total
  • Chiang Mai to Siem Reap
Search Deals
10/6
  • 10/6
  • 1 total stop
  • 9h 20m total
  • Chiang Mai to Siem Reap
Search Deals

Cheapflights Fare Finder

 
Customise 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 17,341 searches. Data last updated 29 April 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 return flight

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Wed 10/6

08:15-16:10

1 stop7h 55m

Siem Reap–Angkor Intl

Sun 14/6

16:55-15:50

1 stop22h 55m

฿10,132

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Sat 12/9

08:25-16:10

1 stop7h 45m

Siem Reap–Angkor Intl

Mon 14/9

12:55-20:25

1 stop7h 30m

฿10,814

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Tue 29/9

20:00-09:00

1 stop13h 00m

Siem Reap–Angkor Intl

Thu 1/10

09:40-19:10

1 stop9h 30m

฿11,756

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Thu 1/10

10:10-18:55

1 stop8h 45m

Siem Reap–Angkor Intl

Fri 2/10

19:35-09:20

1 stop13h 45m

฿11,756
Fastest return journey

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Sun 27/9

10:10-18:55

1 stop8h 45m

Siem Reap–Angkor Intl

Wed 7/10

09:40-13:45

1 stop4h 05m

฿11,951

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Mon 28/9

10:10-18:55

1 stop8h 45m

Siem Reap–Angkor Intl

Sat 3/10

12:55-19:10

1 stop6h 15m

฿11,951

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Wed 22/7

06:50-11:10

1 stop4h 20m

Siem Reap–Angkor Intl

Sun 26/7

13:00-07:45

2 stops18h 45m

฿12,698

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Sat 12/9

10:10-21:55

2 stops11h 45m

Siem Reap–Angkor Intl

Mon 14/9

18:05-13:45

2 stops19h 40m

฿22,700

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Wed 10/6

14:35-18:20

2 stops27h 45m

Siem Reap–Angkor Intl

Sun 14/6

18:05-19:10

2 stops49h 05m

฿23,674
Cheapest one-way

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Wed 10/6

06:50-16:10

1 stop9h 20m

฿4,352

Flights are sorted by cheapest return flights first.

Deals found on 27/4

Showing 1-10 of 18 resultsSorted by cheapest first
1
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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 return 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.

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?

    Departing from Chiang Mai to Siem Reap will take you 7h. Airlines will cover a distance of 821 km.

  • 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 holiday 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.
Phuket City to Siem Reap flights
Krabi to Siem Reap flights
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Chiang Mai to Siem Reap?

Cheapflights makes it easy to find Chiang Mai to Siem Reap flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Chiang Mai to Siem Reap?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Siem Reap from Chiang Mai.

Can Cheapflights find flights from Chiang Mai to Siem Reap with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Chiang Mai to Siem Reap flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Chiang Mai to Siem Reap become cheaper?

Not ready to book yet? You can track prices for flights from Chiang Mai to Siem Reap on Cheapflights with our Price Alert feature and get notified when better prices are available.

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