HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Siem Reap

$127+ Cheap flights from Chiang Mai (CNX) to Siem Reap, Cambodia (SAI)

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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SAI
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chiang Mai to Siem Reap with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Chiang Mai to Siem Reap

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 January 29, 2026.

This Booking.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2410:10 pm
CNX
-
SAI
1 stop12h 50m
Thai AirAsia
Sat 3/288:45 pm
SAI
-
CNX
1 stop9h 35m
Thai AirAsia
Deal found 1/27$247
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1311:40 am
CNX
-
SAI
1 stop8h 20m
Multiple Airlines
Fri 3/208:45 pm
SAI
-
CNX
1 stop24h 00m
Multiple Airlines
Deal found 1/27$273
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:05 pm
CNX
-
SAI
2 stops14h 15m
Multiple Airlines
Sat 3/2811:45 am
SAI
-
CNX
1 stop5h 30m
Multiple Airlines
Deal found 1/27$357
This AirAsia deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AirAsia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/94:10 pm
CNX
-
SAI
1 stop3h 50m
Thai AirAsia
Sun 2/154:50 pm
SAI
-
CNX
1 stop3h 50m
Thai AirAsia
Deal found 1/27$430
This China Eastern deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/243:35 pm
CNX
-
SAI
2 stops53h 25m
China Eastern
Sat 3/2810:00 pm
SAI
-
CNX
3 stops39h 25m
China Eastern
Deal found 1/27$682
This Booking.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1310:10 am
CNX
-
SAI
3 stops30h 00m
Vietnam Airlines
Fri 3/206:50 pm
SAI
-
CNX
2 stops24h 10m
Vietnam Airlines
Deal found 1/27$828
This oojo deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/92:35 pm
CNX
-
SAI
2 stops18h 40m
Bangkok Airways
Sun 2/157:25 pm
SAI
-
CNX
1 stop14h 00m
Bangkok Airways
Deal found 1/28$931

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$247
(Booking.com)

One-way from

$127
(WAYA)

Popular in

November

Cheapest in

May

Average price

$241
Provider with most accurate pricing for Chiang Mai-Siem Reap–Angkor Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chiang Mai-Siem Reap–Angkor Intl flights.
Search Deals
From Chiang Mai to Siem Reap–Angkor Intl
Search Deals
One-way flight from Chiang Mai to Siem Reap–Angkor Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated January 29, 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

Tue 3/24

10:10 pm-11:00 am

1 stop12h 50m

Siem Reap–Angkor Intl

Sat 3/28

8:45 pm-6:20 am

1 stop9h 35m

$247

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Fri 3/13

11:40 am-8:00 pm

1 stop8h 20m

Siem Reap–Angkor Intl

Fri 3/20

8:45 pm-8:45 pm

1 stop24h 00m

$273

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Tue 3/24

6:05 pm-8:20 am

2 stops14h 15m

Siem Reap–Angkor Intl

Sat 3/28

11:45 am-5:15 pm

1 stop5h 30m

$357

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Mon 2/9

4:10 pm-8:00 pm

1 stop3h 50m

Siem Reap–Angkor Intl

Sun 2/15

4:50 pm-8:40 pm

1 stop3h 50m

$430

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Tue 3/24

3:35 pm-9:00 pm

2 stops53h 25m

Siem Reap–Angkor Intl

Sat 3/28

10:00 pm-1:25 pm

2 stops39h 25m

$682

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Mon 2/9

2:35 pm-9:15 am

2 stops18h 40m

Siem Reap–Angkor Intl

Sun 2/15

7:25 pm-9:25 am

1 stop14h 00m

$931

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Wed 3/18

8:55 am-3:55 pm

1 stop7h 00m

$127

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Fri 2/27

8:30 am-3:55 pm

1 stop7h 25m

$128

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Tue 2/17

6:45 pm-8:00 pm

1 stop25h 15m

$140

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Sun 3/1

6:30 am-11:00 am

1 stop4h 30m

$146

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 17 results
1
2

Compare providers for flights from Chiang Mai to Siem Reap

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chiang Mai to Siem Reap in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chiang Mai-Siem Reap flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chiang Mai-Siem Reap flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chiang Mai-Siem Reap flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chiang Mai-Siem Reap flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chiang Mai-Siem Reap flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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.

Reviews of airlines servicing Siem Reap

Get insights into the airlines that provide service to Siem Reap. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Siem Reap. Reviews last updated January 29, 2026.
Peruse reviews from past customers who have flown with Thai AirAsia from Chiang Mai to Siem Reap to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai AirAsia
7.5
Good
231 reviews

Crew

7.9

Boarding

7.4

Comfort

6.8

Entertainment

5.5

Food

6.2

Overall

7.5

Reviews

1 / 5
8.0
Excellent

marc,Nov 2025

DMK - DAD

Upon check in they wanted to charge me extra for extra 1 kilo Poor challenge. You advertise to get people on your airline then you challenge them Wrong move
Thai AirAsia
7.5
Good
231 reviews
Thai AirAsia
7.5
Good
231 reviews

Crew

7.9

Boarding

7.4

Comfort

6.8

Entertainment

5.5

Food

6.2

Overall

7.5

Reviews

1 / 5
8.0
Excellent

marc,Nov 2025

DMK - DAD

Upon check in they wanted to charge me extra for extra 1 kilo Poor challenge. You advertise to get people on your airline then you challenge them Wrong move

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?

    For as low as $247, Thai AirAsia can have you in Siem Reap from Chiang Mai in 12h 50m. The distance from Chiang Mai to Siem Reap is about 510 mi.

  • What is the cheapest airline to fly from Chiang Mai to Siem Reap round-trip?

    According to our current data, Thai AirAsia ($228), offers the cheapest pricing from Chiang Mai to Siem Reap. This flight start at 20% lower than the current average price 3 months from now.

  • 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 vacation 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chiang Mai to Siem Reap

See prices for flight routes from nearby airports that may be better suited for you.
Suvarnabhumi to Siem Reap flights
Phuket City to Siem Reap flights
Don Mueang Intl to Siem Reap flights

Top airline flying from Chiang Mai to Siem Reap

Discover the top airline that operate flights from Chiang Mai to Siem Reap. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest$228Average$254FlexibilityNo cancel feeOn-time87%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.