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Cheap flights from Siem Reap to Chiang Mai from $138

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
4:55 pm - 7:10 amSAI  Siem Reap–Angkor Intl-CNX Chiang Mai
14h 15m1 stop Bangkok Don Mueang Intl
Multiple Airlines Logo
11:55 am - 6:55 pmCNX  Chiang Mai-SAI Siem Reap–Angkor Intl
7h 00m1 stop Bangkok Suvarnabhumi
$382Multiple Airlines
Wed, Sep 30 - Sat, Oct 3
Vietnam Airlines Logo
6:05 pm - 1:45 pmSAI  Siem Reap–Angkor Intl-CNX Chiang Mai
19h 40m2 stops Hanoi Noibai Bangkok Suvarnabhumi
Vietnam Airlines Logo
10:10 am - 6:20 pmCNX  Chiang Mai-SAI Siem Reap–Angkor Intl
8h 10m2 stops Bangkok Suvarnabhumi Ho Chi Minh City
$769Vietnam Airlines
Wed, Sep 30 - Sat, Oct 3
Multiple Airlines Logo
4:00 pm - 1:45 pmSAI  Siem Reap–Angkor Intl-CNX Chiang Mai
21h 45m2 stops Singapore Changi Bangkok Suvarnabhumi
Multiple Airlines Logo
5:35 pm - 3:10 pmCNX  Chiang Mai-SAI Siem Reap–Angkor Intl
21h 35m1 stop Singapore Changi
$905Multiple Airlines
Wed, Sep 30 - Sat, Oct 3

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Use the filters below to find and compare flights from Siem Reap to Chiang Mai that are best for you.

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Cheapest round-trip
Quickest round-trip

Siem ReapChiang Mai

SAI Siem Reap–Angkor Intl - CNX Chiang Mai

SAICNX

Siem Reap–Angkor Intl

Wed 9/30

4:55 pm-7:10 am

1 stop14h 15m

Chiang Mai

Sat 10/3

11:55 am-6:55 pm

1 stop7h 00m

$382

Siem ReapChiang Mai

SAI Siem Reap–Angkor Intl - CNX Chiang Mai

SAICNX

Siem Reap–Angkor Intl

Wed 9/30

6:05 pm-1:45 pm

2 stops19h 40m

Chiang Mai

Sat 10/3

10:10 am-6:20 pm

2 stops8h 10m

$769

Siem ReapChiang Mai

SAI Siem Reap–Angkor Intl - CNX Chiang Mai

SAICNX

Siem Reap–Angkor Intl

Wed 9/30

4:00 pm-1:45 pm

2 stops21h 45m

Chiang Mai

Sat 10/3

5:35 pm-3:10 pm

1 stop21h 35m

$905
Cheapest one-way

Siem ReapChiang Mai

SAI Siem Reap–Angkor Intl - CNX Chiang Mai

SAICNX

Siem Reap–Angkor Intl

Mon 10/19

11:55 am-10:25 pm

1 stop10h 30m

$138

Siem ReapChiang Mai

SAI Siem Reap–Angkor Intl - CNX Chiang Mai

SAICNX

Siem Reap–Angkor Intl

Wed 3/3

8:45 pm-9:25 am

1 stop12h 40m

$139

Siem ReapChiang Mai

SAI Siem Reap–Angkor Intl - CNX Chiang Mai

SAICNX

Siem Reap–Angkor Intl

Mon 10/19

11:55 am-10:25 pm

1 stop10h 30m

$140
Quickest one-way

Siem ReapChiang Mai

SAI Siem Reap–Angkor Intl - CNX Chiang Mai

SAICNX

Siem Reap–Angkor Intl

Mon 11/9

4:50 pm-9:35 pm

1 stop4h 45m

$144

Siem ReapChiang Mai

SAI Siem Reap–Angkor Intl - CNX Chiang Mai

SAICNX

Siem Reap–Angkor Intl

Mon 3/1

4:50 pm-10:35 pm

1 stop5h 45m

$145

Siem ReapChiang Mai

SAI Siem Reap–Angkor Intl - CNX Chiang Mai

SAICNX

Siem Reap–Angkor Intl

Thu 12/17

4:50 pm-10:00 pm

1 stop5h 10m

$157

Siem ReapChiang Mai

SAI Siem Reap–Angkor Intl - CNX Chiang Mai

SAICNX

Siem Reap–Angkor Intl

Sun 9/20

11:55 am-7:30 am

1 stop19h 35m

$158

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 September 2026, prices for Siem Reap to Chiang Mai flights are approximately 5% 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

Best Price Found

$138

Fastest flight time

4h 20m

Direct flights

None
The best one-way flight to Chiang Mai from Siem Reap in the past 72 hours is $138. The best round-trip flight deal from Siem Reap to Chiang Mai found on momondo in the last 72 hours is $382.
The fastest flight from Siem Reap to Chiang Mai takes 4h 20m
There are no direct flights from Siem Reap to Chiang Mai. There are no popular flight routes from Siem Reap to Chiang Mai.
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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 4h 20m.

  • 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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