How long is the flight from Chiang Mai to Siem Reap?

Departing from Chiang Mai to Siem Reap will take you 6h 45m. Airlines will cover a distance of 821 km.

In terms of precipitation, rainfall in Siem Reap ranges from 0.0 - 260.0 inches per month. September is typically the wettest month, when rainfall can reach 260.0 mm. January is typically the driest time to visit Siem Reap when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Siem Reap, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 24.0 C).

What is the cheapest time of day to fly from CNX to SAI?

When flying from Chiang Mai to Siem Reap, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

฿3,888+ Cheap Flights from Chiang Mai to Siem Reap, Cambodia

Cheap flight deals from Chiang Mai to Siem Reap

Enter your travel dates to find the best prices.

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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 13 September 2026.

Thu 1/1008:25 -

1 stop7h 45m

Wed 7/1016:55 -

1 stop5h 05m

Deal found 12/9฿8,270

Tue 29/922:55 -

1 stop12h 15m

Sat 3/1016:55 -

1 stop5h 05m

Deal found 12/9฿9,653

Wed 23/919:05 -

1 stop16h 05m

Wed 30/916:55 -

1 stop5h 30m

Deal found 10/9฿9,884

Tue 8/1208:05 -

1 stop26h 55m

Mon 14/1216:50 -

1 stop5h 45m

Deal found 11/9฿10,016

Tue 8/1222:10 -

1 stop12h 50m

Mon 14/1216:50 -

1 stop5h 45m

Deal found 12/9฿10,444

Thu 1/1009:50 -

1 stop6h 20m

Wed 7/1019:05 -

2 stops12h 40m

Deal found 11/9฿11,861

Sun 1/1121:10 -

1 stop11h 35m

Mon 9/1116:50 -

1 stop6h 00m

Deal found 9/9฿12,092

Find flight deals from Chiang Mai to Siem Reap

Round-trip from	฿8,270
One-way from	฿3,888

Thai AirAsia
1/10-7/10
2 total stops
12h 50m total
Chiang Mai to Siem Reap

Search Deals

Thai AirAsia
8/2-31/12
1 total stop
13h 50m total
Chiang Mai to Siem Reap

Search Deals

Cheapflights Fare Finder

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

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Price

Cheapest return flight

Fastest return journey

Chiang MaiSiem Reap

CNX Chiang Mai - SAI Siem Reap–Angkor Intl

CNXSAI

Chiang Mai

Sat 16/1

15:30-20:00

1 stop4h 30m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿3,921

Chiang MaiSiem Reap

CNX Chiang Mai - SAI Siem Reap–Angkor Intl

CNXSAI

Chiang Mai

Sun 22/11

06:30-11:00

1 stop4h 30m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿4,184

Chiang MaiSiem Reap

CNX Chiang Mai - SAI Siem Reap–Angkor Intl

CNXSAI

Chiang Mai

Wed 11/11

08:05-16:00

1 stop7h 55m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿5,700

Chiang MaiSiem Reap

CNX Chiang Mai - SAI Siem Reap–Angkor Intl

CNXSAI

Chiang Mai

Sat 9/1

10:50-20:00

1 stop9h 10m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿5,930

Chiang MaiSiem Reap

CNX Chiang Mai - SAI Siem Reap–Angkor Intl

CNXSAI

Chiang Mai

Wed 23/12

08:05-16:00

1 stop7h 55m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿6,062

Chiang MaiSiem Reap

CNX Chiang Mai - SAI Siem Reap–Angkor Intl

CNXSAI

Chiang Mai

Sat 14/11

06:30-11:00

1 stop4h 30m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿6,128

Chiang MaiSiem Reap

CNX Chiang Mai - SAI Siem Reap–Angkor Intl

CNXSAI

Chiang Mai

Tue 13/10

22:30-09:00

1 stop10h 30m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿6,260

Chiang MaiSiem Reap

CNX Chiang Mai - SAI Siem Reap–Angkor Intl

CNXSAI

Chiang Mai

Wed 18/11

06:30-11:00

1 stop4h 30m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿6,359

Chiang MaiSiem Reap

CNX Chiang Mai - SAI Siem Reap–Angkor Intl

CNXSAI

Chiang Mai

Mon 8/2

13:30-20:00

1 stop6h 30m

Siem Reap–Angkor Intl

Thu 18/2

16:50-21:35

1 stop4h 45m

฿10,214

Chiang MaiSiem Reap

CNX Chiang Mai - SAI Siem Reap–Angkor Intl

CNXSAI

Chiang Mai

Wed 23/9

10:30-16:10

1 stop5h 40m

Siem Reap–Angkor Intl

Wed 30/9

11:55-22:05

2 stops10h 10m

฿11,729

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 18 resultsSorted by cheapest first

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.

CNX-SAI

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

How long is the flight from Chiang Mai to Siem Reap?
Departing from Chiang Mai to Siem Reap will take you 6h 45m. 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.

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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.

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Cheap flights from Chiang Mai to Siem Reap, Cambodia from ฿3,888

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Chiang Mai to Siem Reap

Cheapest flights from Chiang Mai to Siem ReapExplore 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 13 September 2026.

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 13 September 2026.

Best flights from Chiang Mai to Siem ReapDiscover carefully curated flight deals from Chiang Mai to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Discover carefully curated flight deals from Chiang Mai to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Last-minute flights from Chiang Mai to Siem ReapDiscover last-minute flight deals from Chiang Mai to Siem Reap. Data last updated 13 September 2026 and is based on user searches.

Discover last-minute flight deals from Chiang Mai to Siem Reap. Data last updated 13 September 2026 and is based on user searches.

One-way flights from Chiang Mai to Siem ReapSearch for one-way flight options from Chiang Mai to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.

Search for one-way flight options from Chiang Mai to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.

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Best time to book a flight from Chiang Mai to Siem Reap

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Related info for your journey

How long is the flight from Chiang Mai to Siem Reap?

Can I find deals for flights from Chiang Mai to Siem Reap that include hotel bookings?

How can I find direct flights from Chiang Mai to Siem Reap?

Can I find deals for business class flights from Chiang Mai to Siem Reap?

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.

Complete your trip

Complete your trip to Siem Reap by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Cambodia

Book a non-stop flight to one of these other cities located in Cambodia.

Search flights from Chiang Mai to Siem Reap by cabin class

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Chiang Mai and Siem Reap flights

Browse other Chiang Mai and Siem Reap flight options. Last updated on 13 September 2026.

Other flights from Chiang Mai

Browse through other flights departing from Chiang Mai. Flights are based on user searches made on Cheapflights and were last updated on 13 September 2026.

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Can Cheapflights notify me if prices for flights from Chiang Mai to Siem Reap become cheaper?

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Travel Smart

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 13 September 2026.

Best flights from Chiang Mai to Siem Reap
Discover carefully curated flight deals from Chiang Mai to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Last-minute flights from Chiang Mai to Siem Reap
Discover last-minute flight deals from Chiang Mai to Siem Reap. Data last updated 13 September 2026 and is based on user searches.

One-way flights from Chiang Mai to Siem Reap
Search for one-way flight options from Chiang Mai to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.