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Cheap flights from Siem Reap to Chiang Mai from $137

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Siem Reap to Chiang Mai departing on 11/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Siem Reap to Chiang Mai

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:55 am - 3:55 pm
SAI
-
CNX
4h 00m
1 stop
Multiple Airlines Logo
2:35 pm - 6:55 pm
CNX
-
SAI
4h 20m
1 stop
$350Multiple Airlines
Tue, Sep 1 - Sun, Sep 6
Bangkok Airways Logo
7:35 pm - 9:20 am
SAI
-
CNX
13h 45m
1 stop
Bangkok Airways Logo
10:10 am - 6:55 pm
CNX
-
SAI
8h 45m
1 stop
$373Bangkok Airways
Tue, Sep 1 - Sun, Sep 6
Multiple Airlines Logo
11:55 am - 3:50 pm
SAI
-
CNX
3h 55m
1 stop
Multiple Airlines Logo
7:05 pm - 11:10 am
CNX
-
SAI
16h 05m
1 stop
$375Multiple Airlines
Wed, Aug 19 - Wed, Aug 26
Bangkok Airways Logo
9:40 am - 7:10 pm
SAI
-
CNX
9h 30m
1 stop
Bangkok Airways Logo
10:10 am - 6:55 pm
CNX
-
SAI
8h 45m
1 stop
$378Bangkok Airways
Mon, Aug 31 - Sun, Sep 6
Multiple Airlines Logo
4:55 pm - 9:50 pm
SAI
-
CNX
4h 55m
1 stop
Multiple Airlines Logo
10:05 pm - 1:55 pm
CNX
-
SAI
15h 50m
2 stops
$381Multiple Airlines
Sun, Jul 19 - Sat, Jul 25
Multiple Airlines Logo
4:55 pm - 7:10 am
SAI
-
CNX
14h 15m
1 stop
Multiple Airlines Logo
1:15 pm - 6:05 pm
CNX
-
SAI
4h 50m
1 stop
$387Multiple Airlines
Sun, Jul 19 - Sat, Jul 25
Multiple Airlines Logo
4:55 pm - 8:50 pm
SAI
-
CNX
3h 55m
1 stop
Multiple Airlines Logo
10:05 pm - 1:55 pm
CNX
-
SAI
15h 50m
2 stops
$391Multiple Airlines
Sun, Jul 19 - Sat, Jul 25
Multiple Airlines Logo
11:55 am - 3:50 pm
SAI
-
CNX
3h 55m
1 stop
Multiple Airlines Logo
7:05 pm - 11:10 am
CNX
-
SAI
16h 05m
1 stop
$392Multiple Airlines
Wed, Aug 19 - Wed, Aug 26
Multiple Airlines Logo
4:55 pm - 7:10 am
SAI
-
CNX
14h 15m
1 stop
Multiple Airlines Logo
1:15 pm - 6:05 pm
CNX
-
SAI
4h 50m
1 stop
$394Multiple Airlines
Sun, Jul 19 - Sat, Jul 25
Thai AirAsia Logo
4:55 pm - 7:10 am
SAI
-
CNX
14h 15m
1 stop
Thai AirAsia Logo
9:25 pm - 11:10 am
CNX
-
SAI
13h 45m
1 stop
$404Thai AirAsia
Sun, Jul 19 - Sat, Jul 25

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Bangkok Airways flights from Siem Reap to Chiang Mai

Our best Bangkok Airways deals on Siem Reap to Chiang Mai flight tickets
Bangkok Airways
Sep 1
SAI7:35 pmSiem Reap–Angkor Intl
13h 45m
1 stop
CNX9:20 amChiang Mai
Sep 6
CNX10:10 amChiang Mai
8h 45m
1 stop
SAI6:55 pmSiem Reap–Angkor Intl
$373
Bangkok Airways
Aug 31
SAI9:40 amSiem Reap–Angkor Intl
9h 30m
1 stop
CNX7:10 pmChiang Mai
Sep 6
CNX10:10 amChiang Mai
8h 45m
1 stop
SAI6:55 pmSiem Reap–Angkor Intl
$378

Vietnam Airlines flights from Siem Reap to Chiang Mai

Our best Vietnam Airlines deals on Siem Reap to Chiang Mai flight tickets
Vietnam Airlines
Aug 31
SAI7:10 pmSiem Reap–Angkor Intl
18h 35m
2 stops
CNX1:45 pmChiang Mai
Sep 6
CNX11:55 amChiang Mai
30h 25m
2 stops
SAI6:20 pmSiem Reap–Angkor Intl
$708
Vietnam Airlines
Sep 1
SAI7:10 pmSiem Reap–Angkor Intl
18h 35m
2 stops
CNX1:45 pmChiang Mai
Sep 6
CNX11:55 amChiang Mai
30h 25m
2 stops
SAI6:20 pmSiem Reap–Angkor Intl
$727
Vietnam Airlines
Jul 12
SAI7:20 pmSiem Reap–Angkor Intl
23h 50m
3 stops
CNX7:10 pmChiang Mai
Jul 18
CNX10:10 amChiang Mai
8h 10m
2 stops
SAI6:20 pmSiem Reap–Angkor Intl
$946

momondo Fare Finder

 
Customize your flight search to find flights from Siem Reap to Chiang Mai 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 July 7, 2026.
Use the filters below to find and compare flights from Siem Reap to Chiang Mai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Siem ReapChiang Mai

SAI - CNX

SAICNX

Siem Reap–Angkor Intl

Tue 9/1

11:55 am-3:55 pm

1 stop4h 00m

Chiang Mai

Sun 9/6

2:35 pm-6:55 pm

1 stop4h 20m

$350

Siem ReapChiang Mai

SAI - CNX

SAICNX

Siem Reap–Angkor Intl

Tue 9/1

7:35 pm-9:20 am

1 stop13h 45m

Chiang Mai

Sun 9/6

10:10 am-6:55 pm

1 stop8h 45m

$373

Siem ReapChiang Mai

SAI - CNX

SAICNX

Siem Reap–Angkor Intl

Wed 8/19

11:55 am-3:50 pm

1 stop3h 55m

Chiang Mai

Wed 8/26

7:05 pm-11:10 am

1 stop16h 05m

$375

Siem ReapChiang Mai

SAI - CNX

SAICNX

Siem Reap–Angkor Intl

Mon 8/31

9:40 am-7:10 pm

1 stop9h 30m

Chiang Mai

Sun 9/6

10:10 am-6:55 pm

1 stop8h 45m

$378

Siem ReapChiang Mai

SAI - CNX

SAICNX

Siem Reap–Angkor Intl

Sun 7/19

4:55 pm-9:50 pm

1 stop4h 55m

Chiang Mai

Sat 7/25

10:05 pm-1:55 pm

2 stops15h 50m

$381

Siem ReapChiang Mai

SAI - CNX

SAICNX

Siem Reap–Angkor Intl

Sun 7/19

4:55 pm-7:10 am

1 stop14h 15m

Chiang Mai

Sat 7/25

1:15 pm-6:05 pm

1 stop4h 50m

$387

Siem ReapChiang Mai

SAI - CNX

SAICNX

Siem Reap–Angkor Intl

Sun 7/19

4:55 pm-8:50 pm

1 stop3h 55m

Chiang Mai

Sat 7/25

10:05 pm-1:55 pm

2 stops15h 50m

$391

Siem ReapChiang Mai

SAI - CNX

SAICNX

Siem Reap–Angkor Intl

Wed 8/19

11:55 am-3:50 pm

1 stop3h 55m

Chiang Mai

Wed 8/26

7:05 pm-11:10 am

1 stop16h 05m

$392

Siem ReapChiang Mai

SAI - CNX

SAICNX

Siem Reap–Angkor Intl

Sun 7/19

4:55 pm-7:10 am

1 stop14h 15m

Chiang Mai

Sat 7/25

1:15 pm-6:05 pm

1 stop4h 50m

$394

Siem ReapChiang Mai

SAI - CNX

SAICNX

Siem Reap–Angkor Intl

Sun 7/19

4:55 pm-7:10 am

1 stop14h 15m

Chiang Mai

Sat 7/25

9:25 pm-11:10 am

1 stop13h 45m

$404

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 Chiang Mai from

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

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 Siem Reap to Chiang Mai flight prices changed over time?

As of July 2026, prices for Siem Reap to Chiang Mai flights are approximately 3% more expensive when compared to flights at the same time last year.

When to book flights from Siem Reap to Chiang Mai

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

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

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

Fastest flight time

3h 30m

Direct flights

None
The fastest flight from Siem Reap to Chiang Mai takes 3h 30m
There are no direct flights from Siem Reap to Chiang Mai. There are no popular flight routes from Siem Reap to Chiang Mai.
Search flight deals

Frequently asked questions about flying from Siem Reap to Chiang Mai

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

    Chiang Mai is 494.7 mi away from Siem Reap–Angkor Intl. By plane, this route typically takes 3h 30m.

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

    Prices for flights from Siem Reap–Angkor Intl Airport to Chiang Mai Airport are updated daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Siem Reap–Angkor Intl Airport to Chiang Mai Airport.

  • What documentation or ID do you need to fly to Chiang Mai Airport?

    The necessary travel and health documents for your Chiang Mai 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.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Siem Reap to Chiang Mai for you.

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

Yes. momondo enables you to select and highlight flights to Chiang Mai from Siem Reap with this policy.

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

momondo helps you find the best flight between Siem Reap and Chiang Mai by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Siem Reap to Chiang Mai flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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