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Cheap flights from Chiang Mai to Siem Reap, Cambodia from ฿3,445

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 25/3. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SAI
28 Feb — 7 Mar1
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 January 2026.

Tue 24/322:10
CNX
-
SAI
1 stop12h 50m
Thai AirAsia
Sat 28/320:45
SAI
-
CNX
1 stop9h 35m
Thai AirAsia
Deal found 27/1฿7,666
Sat 14/321:30
CNX
-
SAI
1 stop22h 30m
Multiple Airlines
Sat 21/316:50
SAI
-
CNX
1 stop3h 55m
Multiple Airlines
Deal found 28/1฿8,193
Thu 19/315:10
CNX
-
SAI
1 stop4h 50m
Multiple Airlines
Sun 22/320:45
SAI
-
CNX
1 stop13h 05m
Multiple Airlines
Deal found 28/1฿8,286
Fri 13/306:50
CNX
-
SAI
1 stop9h 05m
Multiple Airlines
Fri 20/320:45
SAI
-
CNX
1 stop24h 00m
Multiple Airlines
Deal found 27/1฿8,380
Thu 5/206:35
CNX
-
SAI
1 stop13h 25m
Multiple Airlines
Sun 8/216:50
SAI
-
CNX
1 stop17h 30m
Multiple Airlines
Deal found 28/1฿9,093
Sat 14/213:30
CNX
-
SAI
1 stop6h 30m
Multiple Airlines
Mon 16/220:45
SAI
-
CNX
1 stop23h 20m
Multiple Airlines
Deal found 27/1฿9,962

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 January 2026.

Round-trip from

฿7,666

One-way from

฿3,445

Popular in

November

Cheapest in

May

Average price

฿7,480
Thai AirAsia
  • Thai AirAsia
  • 24/3-28/3
  • 2 total stops
  • 22h 25m total
  • Chiang Mai to Siem Reap
Search Deals
Thai AirAsia
  • Thai AirAsia
  • 25/3
  • 1 total stop
  • 13h 40m total
  • Chiang Mai to Siem Reap
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (฿45,041 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿8,061 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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 January 2026.
Use the filters below to find and compare flights from Chiang Mai to Siem Reap that are best for you.

Fly from

Chiang Mai

Fly to

Siem Reap

Route

Depart

Return

Price

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Fri 13/3

06:50-15:55

1 stop9h 05m

Siem Reap–Angkor Intl

Fri 20/3

20:45-20:45

1 stop24h 00m

฿8,380

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Thu 19/3

07:05-15:20

2 stops8h 15m

Siem Reap–Angkor Intl

Sun 22/3

20:45-07:20

1 stop10h 35m

฿9,373

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Sat 14/3

18:05-08:20

2 stops14h 15m

Siem Reap–Angkor Intl

Sat 21/3

16:50-20:45

1 stop3h 55m

฿9,590

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Sat 14/2

13:30-20:00

1 stop6h 30m

Siem Reap–Angkor Intl

Mon 16/2

20:45-20:05

1 stop23h 20m

฿9,962

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Sat 14/2

08:05-20:00

1 stop11h 55m

Siem Reap–Angkor Intl

Sun 15/2

20:45-07:35

1 stop10h 50m

฿10,397

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Sat 28/3

22:10-11:10

1 stop13h 00m

฿3,538

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Wed 18/3

08:55-15:55

1 stop7h 00m

฿3,941

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Fri 27/2

08:30-15:55

1 stop7h 25m

฿3,973

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Mon 23/3

21:30-11:00

1 stop13h 30m

฿3,973

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Tue 24/3

21:30-11:00

1 stop13h 30m

฿4,004

Flights are sorted by cheapest return flights first.

Deals found on 26/1

Showing 1-10 of 17 results
1
2

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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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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