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Cheap flights from Chiang Mai to Siem Reap, Cambodia from ฿3,397

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 26/5. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SAI
17 Apr — 24 Apr1
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 18 March 2026.

Sun 12/406:50
CNX
-
SAI
1 stop7h 40m
Thai AirAsia
Sun 19/415:15
SAI
-
CNX
1 stop15h 05m
Thai AirAsia
Deal found 13/3฿9,026
Sun 29/306:35
CNX
-
SAI
1 stop9h 35m
Multiple Airlines
Thu 2/423:50
SAI
-
CNX
1 stop8h 05m
Multiple Airlines
Deal found 17/3฿11,323
Sun 12/423:30
CNX
-
SAI
2 stops11h 20m
Multiple Airlines
Sun 19/415:15
SAI
-
CNX
1 stop7h 45m
Multiple Airlines
Deal found 13/3฿11,549
Sun 29/310:10
CNX
-
SAI
3 stops30h 15m
Vietnam Airlines
Thu 2/417:20
SAI
-
CNX
3 stops49h 50m
Vietnam Airlines
Deal found 17/3฿25,266
Sun 12/410:10
CNX
-
SAI
3 stops30h 15m
Vietnam Airlines
Sun 19/418:05
SAI
-
CNX
2 stops43h 40m
Vietnam Airlines
Deal found 13/3฿28,372

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 18 March 2026.

Round-trip from

฿9,026

One-way from

฿3,397
Thai AirAsia
  • Thai AirAsia
  • 12/4-19/4
  • 2 total stops
  • 22h 45m total
  • Chiang Mai to Siem Reap
Search Deals
Thai AirAsia
  • Thai AirAsia
  • 26/5
  • 1 total stop
  • 6h 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 18 March 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
Fastest return journey

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Sun 12/4

06:50-11:10

1 stop4h 20m

Siem Reap–Angkor Intl

Sun 19/4

15:15-19:25

1 stop4h 10m

฿10,870

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Sun 29/3

06:35-16:10

1 stop9h 35m

Siem Reap–Angkor Intl

Thu 2/4

23:50-07:55

1 stop8h 05m

฿11,323

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Sun 12/4

23:30-10:50

2 stops11h 20m

Siem Reap–Angkor Intl

Sun 19/4

15:15-23:00

1 stop7h 45m

฿11,549

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Sun 29/3

10:10-16:25

3 stops30h 15m

Siem Reap–Angkor Intl

Thu 2/4

17:20-19:10

3 stops49h 50m

฿25,266

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Sun 12/4

10:10-16:25

3 stops30h 15m

Siem Reap–Angkor Intl

Sun 19/4

18:05-13:45

2 stops43h 40m

฿28,372
Cheapest one-way

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Sat 16/5

21:15-11:10

1 stop13h 55m

฿3,494
Fastest single journey

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Sun 17/5

06:50-11:10

1 stop4h 20m

฿3,494

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Fri 22/5

10:10-14:30

1 stop4h 20m

฿3,526

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Fri 19/6

21:15-11:10

1 stop13h 55m

฿3,591

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Fri 24/4

23:30-11:10

1 stop11h 40m

฿4,173

Flights are sorted by cheapest return flights first.

Deals found on 13/3

Showing 1-10 of 17 resultsSorted by cheapest first
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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 4h 20m. 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.
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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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