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Cheap flights from Chiang Mai to Siem Reap, Cambodia from ฿3,743

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SAI
16 Jul — 23 Jul1
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 16 June 2026.

Wed 19/808:15
CNX
-
SAI
1 stop7h 55m
Multiple Airlines
Thu 3/916:55
SAI
-
CNX
1 stop5h 50m
Multiple Airlines
Deal found 13/6฿9,210
Fri 21/808:15
CNX
-
SAI
1 stop7h 55m
Multiple Airlines
Thu 3/916:55
SAI
-
CNX
1 stop5h 50m
Multiple Airlines
Deal found 13/6฿9,243
Thu 20/819:05
CNX
-
SAI
1 stop16h 05m
Multiple Airlines
Thu 3/916:55
SAI
-
CNX
1 stop5h 50m
Multiple Airlines
Deal found 13/6฿9,340
Thu 20/806:50
CNX
-
SAI
1 stop9h 20m
Multiple Airlines
Sat 5/911:55
SAI
-
CNX
1 stop3h 55m
Multiple Airlines
Deal found 13/6฿9,405
Tue 18/808:15
CNX
-
SAI
1 stop7h 55m
Multiple Airlines
Sat 5/911:55
SAI
-
CNX
1 stop3h 55m
Multiple Airlines
Deal found 13/6฿9,471
Thu 20/809:50
CNX
-
SAI
1 stop6h 20m
Multiple Airlines
Tue 1/916:55
SAI
-
CNX
1 stop5h 50m
Multiple Airlines
Deal found 13/6฿9,568
Thu 20/809:50
CNX
-
SAI
1 stop6h 20m
Multiple Airlines
Wed 2/916:55
SAI
-
CNX
1 stop5h 50m
Multiple Airlines
Deal found 13/6฿9,633
Fri 21/810:30
CNX
-
SAI
1 stop5h 40m
Multiple Airlines
Wed 2/911:55
SAI
-
CNX
1 stop6h 40m
Multiple Airlines
Deal found 13/6฿9,698
Tue 18/808:15
CNX
-
SAI
1 stop7h 55m
Multiple Airlines
Thu 3/911:55
SAI
-
CNX
1 stop3h 55m
Multiple Airlines
Deal found 13/6฿9,731
Tue 18/809:50
CNX
-
SAI
1 stop6h 20m
Multiple Airlines
Tue 1/916:55
SAI
-
CNX
1 stop5h 50m
Multiple Airlines
Deal found 13/6฿9,763
Tue 18/809:50
CNX
-
SAI
1 stop6h 20m
Multiple Airlines
Wed 2/916:55
SAI
-
CNX
1 stop5h 50m
Multiple Airlines
Deal found 13/6฿9,796
Sat 22/808:15
CNX
-
SAI
1 stop7h 55m
Multiple Airlines
Mon 31/816:55
SAI
-
CNX
1 stop3h 55m
Multiple Airlines
Deal found 13/6฿9,861

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 16 June 2026.

Round-trip from

฿9,210

One-way from

฿3,743
19/8-3/9
  • 19/8-3/9
  • 2 total stops
  • 13h 45m total
  • Chiang Mai to Siem Reap
Search Deals
Thai AirAsia
  • Thai AirAsia
  • 19/8
  • 1 total stop
  • 13h 45m 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 16 June 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 15/8

08:25-16:10

1 stop7h 45m

Siem Reap–Angkor Intl

Sat 15/8

23:50-13:40

1 stop13h 50m

฿11,391
Fastest return journey

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Thu 9/7

08:15-16:10

1 stop7h 55m

Siem Reap–Angkor Intl

Wed 15/7

16:55-20:50

1 stop3h 55m

฿11,423

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Mon 17/8

20:00-21:30

1 stop25h 30m

Siem Reap–Angkor Intl

Mon 31/8

12:55-19:10

1 stop6h 15m

฿12,627

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Sun 23/8

20:00-09:00

1 stop13h 00m

Siem Reap–Angkor Intl

Tue 1/9

12:55-19:10

1 stop6h 15m

฿12,985

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Mon 10/8

19:05-13:55

2 stops18h 50m

Siem Reap–Angkor Intl

Tue 18/8

10:55-22:45

2 stops11h 50m

฿13,474

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Wed 28/10

15:35-21:00

3 stops29h 25m

Siem Reap–Angkor Intl

Thu 5/11

22:00-09:05

1 stop11h 05m

฿22,912

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Wed 28/10

15:35-21:00

3 stops29h 25m

Siem Reap–Angkor Intl

Sat 31/10

22:00-09:05

1 stop11h 05m

฿22,912

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Wed 28/10

14:55-11:50

2 stops20h 55m

Siem Reap–Angkor Intl

Tue 3/11

12:30-14:15

2 stops25h 45m

฿24,506

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Wed 28/10

14:55-11:50

2 stops20h 55m

Siem Reap–Angkor Intl

Sat 31/10

12:30-14:15

2 stops25h 45m

฿24,506
Cheapest one-way

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Thu 19/11

14:20-20:00

1 stop5h 40m

฿5,175

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 13 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 25h 30m. 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
Ko Samui 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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