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Cheap flights from Chiang Mai to Siem Reap from $103

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chiang Mai to Siem Reap departing on 5/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Chiang Mai to Siem Reap

Cheap round-trip flights

Enter your travel dates to find the best prices.
Thai AirAsia Logo
10:55 pm - 11:10 am
CNX
-
SAI
12h 15m
1 stop
Thai AirAsia Logo
4:55 pm - 7:10 am
SAI
-
CNX
14h 15m
1 stop
$298Thai AirAsia
Sun, May 10 - Sun, May 17
Multiple Airlines Logo
8:15 am - 4:10 pm
CNX
-
SAI
7h 55m
1 stop
Multiple Airlines Logo
4:55 pm - 7:30 am
SAI
-
CNX
14h 35m
1 stop
$303Multiple Airlines
Fri, May 8 - Fri, May 15
Multiple Airlines Logo
12:10 pm - 11:10 am
CNX
-
SAI
23h 00m
1 stop
Multiple Airlines Logo
4:55 pm - 8:50 pm
SAI
-
CNX
3h 55m
1 stop
$332Multiple Airlines
Tue, Apr 14 - Fri, Apr 17
Emirates Logo
10:10 am - 9:30 pm
CNX
-
SAI
11h 20m
1 stop
Emirates Logo
12:55 pm - 7:10 pm
SAI
-
CNX
6h 15m
1 stop
$367Emirates
Thu, Aug 13 - Fri, Aug 28
Bangkok Airways Logo
8:00 pm - 9:00 am
CNX
-
SAI
13h 00m
1 stop
Bangkok Airways Logo
12:55 pm - 7:10 pm
SAI
-
CNX
6h 15m
1 stop
$384Bangkok Airways
Fri, Aug 14 - Fri, Aug 28
Bangkok Airways Logo
8:00 pm - 9:00 am
CNX
-
SAI
13h 00m
1 stop
Bangkok Airways Logo
9:40 am - 7:10 pm
SAI
-
CNX
9h 30m
1 stop
$395Bangkok Airways
Wed, Aug 12 - Mon, Aug 24
Emirates Logo
8:00 pm - 9:30 pm
CNX
-
SAI
25h 30m
1 stop
Emirates Logo
12:55 pm - 7:10 pm
SAI
-
CNX
6h 15m
1 stop
$396Emirates
Mon, Aug 10 - Fri, Aug 28
Thai AirAsia Logo
9:25 am - 4:10 pm
CNX
-
SAI
6h 45m
2 stops
Thai AirAsia Logo
4:55 pm - 7:10 am
SAI
-
CNX
14h 15m
1 stop
$400Thai AirAsia
Tue, Apr 14 - Fri, Apr 17
Bangkok Airways Logo
8:00 pm - 9:00 am
CNX
-
SAI
13h 00m
1 stop
Bangkok Airways Logo
9:40 am - 1:45 pm
SAI
-
CNX
4h 05m
1 stop
$426Bangkok Airways
Tue, Aug 11 - Wed, Aug 26
Emirates Logo
8:00 pm - 9:30 pm
CNX
-
SAI
25h 30m
1 stop
Emirates Logo
12:55 pm - 7:10 pm
SAI
-
CNX
6h 15m
1 stop
$439Emirates
Wed, Aug 12 - Fri, Aug 28

Emirates flights from Chiang Mai to Siem Reap

Our best Emirates deals on Chiang Mai to Siem Reap flight tickets
Emirates
Aug 13
CNX10:10 amChiang Mai
11h 20m
1 stop
SAI9:30 pmSiem Reap–Angkor Intl
Aug 28
SAI12:55 pmSiem Reap–Angkor Intl
6h 15m
1 stop
CNX7:10 pmChiang Mai
$367
Emirates
Aug 10
CNX8:00 pmChiang Mai
25h 30m
1 stop
SAI9:30 pmSiem Reap–Angkor Intl
Aug 28
SAI12:55 pmSiem Reap–Angkor Intl
6h 15m
1 stop
CNX7:10 pmChiang Mai
$396
Emirates
Aug 12
CNX8:00 pmChiang Mai
25h 30m
1 stop
SAI9:30 pmSiem Reap–Angkor Intl
Aug 28
SAI12:55 pmSiem Reap–Angkor Intl
6h 15m
1 stop
CNX7:10 pmChiang Mai
$439

Bangkok Airways flights from Chiang Mai to Siem Reap

Our best Bangkok Airways deals on Chiang Mai to Siem Reap flight tickets
Bangkok Airways
Aug 14
CNX8:00 pmChiang Mai
13h 00m
1 stop
SAI9:00 amSiem Reap–Angkor Intl
Aug 28
SAI12:55 pmSiem Reap–Angkor Intl
6h 15m
1 stop
CNX7:10 pmChiang Mai
$384
Bangkok Airways
Aug 12
CNX8:00 pmChiang Mai
13h 00m
1 stop
SAI9:00 amSiem Reap–Angkor Intl
Aug 24
SAI9:40 amSiem Reap–Angkor Intl
9h 30m
1 stop
CNX7:10 pmChiang Mai
$395
Bangkok Airways
Aug 11
CNX8:00 pmChiang Mai
13h 00m
1 stop
SAI9:00 amSiem Reap–Angkor Intl
Aug 26
SAI9:40 amSiem Reap–Angkor Intl
4h 05m
1 stop
CNX1:45 pmChiang Mai
$426

momondo 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, momondo users made 832,500 searches. Data last updated March 27, 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 round-trip

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Sun 5/10

10:55 pm-11:10 am

1 stop12h 15m

Siem Reap–Angkor Intl

Sun 5/17

4:55 pm-7:10 am

1 stop14h 15m

$298

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Fri 5/8

8:15 am-4:10 pm

1 stop7h 55m

Siem Reap–Angkor Intl

Fri 5/15

4:55 pm-7:30 am

1 stop14h 35m

$303

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Tue 4/14

12:10 pm-11:10 am

1 stop23h 00m

Siem Reap–Angkor Intl

Fri 4/17

4:55 pm-8:50 pm

1 stop3h 55m

$332

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Thu 8/13

10:10 am-9:30 pm

1 stop11h 20m

Siem Reap–Angkor Intl

Fri 8/28

12:55 pm-7:10 pm

1 stop6h 15m

$367

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Fri 8/14

8:00 pm-9:00 am

1 stop13h 00m

Siem Reap–Angkor Intl

Fri 8/28

12:55 pm-7:10 pm

1 stop6h 15m

$384

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Wed 8/12

8:00 pm-9:00 am

1 stop13h 00m

Siem Reap–Angkor Intl

Mon 8/24

9:40 am-7:10 pm

1 stop9h 30m

$395

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Mon 8/10

8:00 pm-9:30 pm

1 stop25h 30m

Siem Reap–Angkor Intl

Fri 8/28

12:55 pm-7:10 pm

1 stop6h 15m

$396

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Tue 4/14

9:25 am-4:10 pm

2 stops6h 45m

Siem Reap–Angkor Intl

Fri 4/17

4:55 pm-7:10 am

1 stop14h 15m

$400
Quickest round-trip

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Tue 8/11

8:00 pm-9:00 am

1 stop13h 00m

Siem Reap–Angkor Intl

Wed 8/26

9:40 am-1:45 pm

1 stop4h 05m

$426

Chiang MaiSiem Reap

CNX - SAI

CNXSAI

Chiang Mai

Wed 8/12

8:00 pm-9:30 pm

1 stop25h 30m

Siem Reap–Angkor Intl

Fri 8/28

12:55 pm-7:10 pm

1 stop6h 15m

$439

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Siem Reap from

How to get the cheapest flight ticket from Chiang Mai to Siem Reap

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How have Chiang Mai to Siem Reap flight prices changed over time?

As of March 2026, prices for Chiang Mai to Siem Reap flights are approximately 11% more expensive when compared to flights at the same time last year.

When to book flights from Chiang Mai to Siem Reap

Are you open to changing your travel dates? Check out the ideal times to fly from Chiang Mai to Siem Reap according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chiang Mai to Siem Reap (CNX to SAI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chiang Mai to Siem Reap

Fastest flight time

13h 00m

Direct flights

None
The fastest flight from Chiang Mai to Siem Reap takes 13h 00m
There are no direct flights from Chiang Mai to Siem Reap. There are no popular flight routes from Chiang Mai to Siem Reap.
Search flight deals

  • How far is Chiang Mai to Siem Reap–Angkor Intl by plane?

    Chiang Mai and Siem Reap–Angkor Intl are 494.7 mi apart from one another. By plane, this route typically takes 13h 00m.

  • When did momondo last update prices for flights from Chiang Mai Airport to Siem Reap–Angkor Intl Airport?

    Prices for flights from Chiang Mai Airport to Siem Reap–Angkor Intl Airport were last updated today.

  • How many operators does momondo search for flights from Chiang Mai Airport to Siem Reap–Angkor Intl Airport?

  • How old do you have to be to fly from Chiang Mai Airport to Siem Reap–Angkor Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chiang Mai Airport to Siem Reap–Angkor Intl Airport.

  • What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?

    The necessary travel and health documents for your Siem Reap–Angkor Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Chiang Mai to Siem Reap?

Best airlines flying from Chiang Mai to Siem Reap

Compare and see reviews for airlines that fly from Chiang Mai to Siem Reap with momondo
Airline
Rating
Free Cancellation
Price
Thai AirAsiaPriceFrom $112Free CancellationRating
7.4
240 reviews
Search Thai AirAsia flights

Why use momondo?

Why should I use momondo to find a flight deal from Chiang Mai to Siem Reap?

Finding the right flight to Siem Reap from Chiang Mai is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Siem Reap quick and easy, saving you time and money.

Can I find flights from Chiang Mai to Siem Reap with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Chiang Mai to Siem Reap flights to just show those with flexible booking policies.

How can momondo help me find flights from Chiang Mai to Siem Reap?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Siem Reap from Chiang Mai.

I’m not ready to book a flight from Chiang Mai to Siem Reap right now. Can momondo alert me if prices change?

Price alerts on flights to Siem Reap from Chiang Mai are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Thai AirAsia