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

Departing from Chiang Mai to Siem Reap will take you 11h. Airlines will cover a distance of 821 km. This flight may include one or multiple stops.

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.

฿3,878+ 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.

Cheapest

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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 30 October 2026.

Thu 29/1021:25 -

1 stop13h 40m

Wed 4/1111:50 -

1 stop4h 50m

Deal found 28/10฿8,295

Mon 2/1112:35 -

1 stop4h 20m

Sun 8/1111:50 -

1 stop9h 00m

Deal found 30/10฿8,464

Fri 4/1209:20 -

1 stop7h 35m

Fri 11/1209:05 -

1 stop6h 50m

Deal found 29/10฿8,498

Thu 10/1221:20 -

1 stop11h 00m

Thu 17/1211:50 -

1 stop9h 00m

Deal found 26/10฿10,487

Mon 2/1106:45 -

2 stops9h 20m

Sun 8/1111:50 -

1 stop5h 50m

Deal found 30/10฿11,162

Tue 1/1206:30 -

1 stop4h 35m

Thu 10/1219:05 -

1 stop21h 55m

Deal found 28/10฿11,431

Sun 13/1220:30 -

1 stop11h 50m

Sun 20/1209:50 -

1 stop9h 00m

Deal found 29/10฿11,870

Find flight deals from Chiang Mai to Siem Reap

Round-trip from	฿8,295
One-way from	฿3,878

Thai AirAsia
23/11-30/11
2 total stops
22h 15m total
Chiang Mai to Siem Reap

Search Deals

Thai AirAsia
23/1-31/12
1 total stop
13h 45m 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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Route

Depart

Return

Price

Cheapest return flight

Chiang MaiSiem Reap

CNX Chiang Mai - SAI Siem Reap–Angkor Intl

CNXSAI

Chiang Mai

Sat 23/1

21:20-11:05

1 stop13h 45m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿3,878

Chiang MaiSiem Reap

CNX Chiang Mai - SAI Siem Reap–Angkor Intl

CNXSAI

Chiang Mai

Tue 15/12

11:45-16:55

1 stop5h 10m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿4,114

Chiang MaiSiem Reap

CNX Chiang Mai - SAI Siem Reap–Angkor Intl

CNXSAI

Chiang Mai

Thu 28/1

19:40-08:20

1 stop12h 40m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿4,114

Fastest return journey

Chiang MaiSiem Reap

CNX Chiang Mai - SAI Siem Reap–Angkor Intl

CNXSAI

Chiang Mai

Wed 18/11

06:30-11:05

1 stop4h 35m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿4,114

Chiang MaiSiem Reap

CNX Chiang Mai - SAI Siem Reap–Angkor Intl

CNXSAI

Chiang Mai

Tue 30/3

11:05-16:10

1 stop5h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿4,114

Chiang MaiSiem Reap

CNX Chiang Mai - SAI Siem Reap–Angkor Intl

CNXSAI

Chiang Mai

Sun 14/3

06:30-11:05

1 stop4h 35m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿4,249

Chiang MaiSiem Reap

CNX Chiang Mai - SAI Siem Reap–Angkor Intl

CNXSAI

Chiang Mai

Mon 11/1

08:05-11:05

1 stop27h 00m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿5,429

Chiang MaiSiem Reap

CNX Chiang Mai - SAI Siem Reap–Angkor Intl

CNXSAI

Chiang Mai

Tue 2/3

06:30-11:05

1 stop4h 35m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿6,070

Chiang MaiSiem Reap

CNX Chiang Mai - SAI Siem Reap–Angkor Intl

CNXSAI

Chiang Mai

Tue 12/1

19:45-09:15

1 stop13h 30m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿6,474

Chiang MaiSiem Reap

CNX Chiang Mai - SAI Siem Reap–Angkor Intl

CNXSAI

Chiang Mai

Tue 26/1

18:10-08:20

1 stop14h 10m

Siem Reap–Angkor Intl

Wed 3/2

09:05-21:35

1 stop12h 30m

฿8,329

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 20 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 11h. Airlines will cover a distance of 821 km. This flight may include one or multiple stops.
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.

See more FAQs

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Alternative routes

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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 ฿3,878

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/1. 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 30 October 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 30 October 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 30 October 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 30 October 2026.

Last-minute flights from Chiang Mai to Siem ReapDiscover last-minute flight deals from Chiang Mai to Siem Reap. Data last updated 30 October 2026 and is based on user searches.

Discover last-minute flight deals from Chiang Mai to Siem Reap. Data last updated 30 October 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 30 October 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 30 October 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

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.

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 30 October 2026.

Other flights from Chiang Mai

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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 30 October 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 30 October 2026.

Last-minute flights from Chiang Mai to Siem Reap
Discover last-minute flight deals from Chiang Mai to Siem Reap. Data last updated 30 October 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 30 October 2026.