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Cheap flights from Chiang Mai to Siem Reap, Cambodia from ฿3,741

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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SAI
1 Sep — 8 Sep1
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 2 August 2026.

Wed 21/1009:50
CNX
-
SAI
1 stop6h 20m
Thai AirAsia
Sat 24/1016:55
SAI
-
CNX
1 stop5h 30m
Thai AirAsia
Deal found 2/8฿8,250
Sat 19/922:55
CNX
-
SAI
1 stop12h 15m
Thai AirAsia
Sun 27/916:55
SAI
-
CNX
1 stop5h 30m
Thai AirAsia
Deal found 29/7฿9,219
Fri 25/908:15
CNX
-
SAI
1 stop7h 55m
Multiple Airlines
Sat 3/1016:55
SAI
-
CNX
1 stop5h 50m
Multiple Airlines
Deal found 31/7฿9,285
Sun 13/906:50
CNX
-
SAI
1 stop4h 20m
Multiple Airlines
Sun 20/911:55
SAI
-
CNX
1 stop10h 50m
Multiple Airlines
Deal found 30/7฿9,619
Wed 28/1021:10
CNX
-
SAI
1 stop13h 50m
Multiple Airlines
Sat 31/1016:50
SAI
-
CNX
1 stop6h 00m
Multiple Airlines
Deal found 30/7฿9,753
Wed 28/1012:10
CNX
-
SAI
1 stop3h 50m
Thai AirAsia
Sat 31/1011:45
SAI
-
CNX
1 stop4h 55m
Thai AirAsia
Deal found 30/7฿10,688
Wed 21/1008:25
CNX
-
SAI
1 stop7h 45m
Multiple Airlines
Sat 24/1016:55
SAI
-
CNX
2 stops19h 55m
Multiple Airlines
Deal found 2/8฿10,722

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 2 August 2026.

Round-trip from

฿8,250

One-way from

฿3,741
Thai AirAsia
  • Thai AirAsia
  • 21/10-24/10
  • 2 total stops
  • 11h 50m total
  • Chiang Mai to Siem Reap
Search Deals
Thai AirAsia
  • Thai AirAsia
  • 8/1
  • 1 total stop
  • 7h 00m 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 2 August 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

Sat 19/9

22:55-11:10

1 stop12h 15m

Siem Reap–Angkor Intl

Sun 27/9

16:55-22:25

1 stop5h 30m

฿9,219

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Fri 25/9

08:15-16:10

1 stop7h 55m

Siem Reap–Angkor Intl

Sat 3/10

16:55-22:45

1 stop5h 50m

฿9,285
Fastest return journey

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Wed 28/10

12:10-16:00

1 stop3h 50m

Siem Reap–Angkor Intl

Sat 31/10

16:50-22:00

1 stop5h 10m

฿10,087

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Wed 21/10

08:25-16:10

1 stop7h 45m

Siem Reap–Angkor Intl

Sat 24/10

16:55-12:50

2 stops19h 55m

฿10,722

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Wed 11/11

08:05-16:00

1 stop7h 55m

Siem Reap–Angkor Intl

Mon 16/11

16:50-22:00

1 stop5h 10m

฿11,356

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Wed 19/8

09:35-10:50

2 stops25h 15m

Siem Reap–Angkor Intl

Mon 24/8

11:30-19:00

2 stops31h 30m

฿12,993

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Wed 11/11

10:50-16:00

1 stop5h 10m

Siem Reap–Angkor Intl

Mon 16/11

16:50-10:10

2 stops17h 20m

฿13,561

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Fri 23/10

20:00-21:30

1 stop25h 30m

Siem Reap–Angkor Intl

Wed 25/11

13:20-09:25

1 stop20h 05m

฿16,066
Cheapest one-way
Fastest single journey

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Thu 12/11

06:30-11:00

1 stop4h 30m

฿4,142

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Mon 18/1

21:10-11:00

1 stop13h 50m

฿4,743

Flights are sorted by cheapest return flights first.

Deals found on 29/7

Showing 1-10 of 17 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.

  • 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.

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Chiang Mai to Siem Reap

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Fly with Cheapflights

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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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