What is the cheapest airline that flies from Chiang Mai to Ko Samui?

Bangkok Airways is the most popular carrier operating from Chiang Mai to Ko Samui

What is the most punctual flight time for Chiang Mai to Ko Samui flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

How often are flights from Chiang Mai to Ko Samui delayed?

Historically, on average around 4% of flights between Chiang Mai and Ko Samui have experienced a delay on any given week. The average delay length over the past 12 months has been 82 minutes.

Which airline has the best punctuality record on Chiang Mai to Ko Samui flights?

According to our data, Bangkok Airways has had the least delays on this route over the last 12 months, with about 4% of their flights experiencing any sort of delay.

How many flights depart from Chiang Mai to Ko Samui on average per day?

6 flights are operational daily from Chiang Mai to Ko Samui as of June 2026. The most popular departure time for this route is 11:00a.m., with 100% of flights per day taking off at noon.

How many flights depart from Chiang Mai to Ko Samui on average per week?

42 flights are operational weekly from Chiang Mai to Ko Samui as of June 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

When did momondo last update prices for flights from Chiang Mai Airport to Ko Samui Airport?

Prices for flights from Chiang Mai Airport to Ko Samui Airport were last updated today.

How old do you have to be to fly from Chiang Mai Airport to Ko Samui Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chiang Mai Airport to Ko Samui Airport.

What documentation or ID do you need to fly to Ko Samui Airport?

The necessary travel and health documents for your Ko Samui 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.

C$ 252 Cheap Flights from Chiang Mai to Ko Samui in 2026

Q: What is the typical price of a round-trip flight between Chiang Mai and Ko Samui?

Prices are currently low for flights on this route. Typical prices usually range from C$ 559 to C$ 359. The lowest price recently found on this route was C$ 316.

Find the cheapest flights from Chiang Mai to Ko Samui

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:50 a.m. - 5:05 p.m.

CNX

USM

5h 15m

1 stop

8:55 a.m. - 10:40 a.m.

USM

CNX

1h 45mdirect

C$ 316Multiple Airlines

Wed, 16 Sep - Wed, 23 Sep

11:50 a.m. - 5:05 p.m.

CNX

USM

5h 15m

1 stop

7:50 a.m. - 1:50 p.m.

USM

CNX

6h 00m

1 stop

C$ 362Multiple Airlines

Wed, 16 Sep - Wed, 23 Sep

10:10 a.m. - 3:10 p.m.

CNX

USM

5h 00m

1 stop

8:50 a.m. - 10:40 a.m.

USM

CNX

1h 50mdirect

C$ 363Bangkok Airways

Tue, 20 Oct - Fri, 30 Oct

10:10 a.m. - 7:10 a.m.

CNX

USM

21h 00m

1 stop

8:50 a.m. - 10:40 a.m.

USM

CNX

1h 50mdirect

C$ 384Bangkok Airways

Sun, 25 Oct - Fri, 30 Oct

2:30 p.m. - 8:30 p.m.

CNX

USM

6h 00m

1 stop

6:00 a.m. - 11:20 a.m.

USM

CNX

5h 20m

1 stop

C$ 389Multiple Airlines

Tue, 6 Oct - Mon, 12 Oct

7:45 p.m. - 8:10 a.m.

CNX

USM

12h 25m

1 stop

8:50 a.m. - 10:40 a.m.

USM

CNX

1h 50mdirect

C$ 391Bangkok Airways

Mon, 26 Oct - Fri, 30 Oct

10:10 a.m. - 8:25 p.m.

CNX

USM

10h 15m

2 stops

8:55 a.m. - 10:40 a.m.

USM

CNX

1h 45mdirect

C$ 433Bangkok Airways

Sat, 12 Sep - Tue, 15 Sep

10:10 a.m. - 8:25 p.m.

CNX

USM

10h 15m

2 stops

8:55 a.m. - 10:40 a.m.

USM

CNX

1h 45mdirect

C$ 435Bangkok Airways

Sat, 12 Sep - Tue, 15 Sep

11:50 a.m. - 4:35 p.m.

CNX

USM

4h 45m

1 stop

7:10 p.m. - 11:25 p.m.

USM

CNX

4h 15m

1 stop

C$ 438Multiple Airlines

Wed, 30 Sep - Wed, 30 Sep

10:10 a.m. - 5:45 p.m.

CNX

USM

7h 35m

1 stop

8:50 a.m. - 10:40 a.m.

USM

CNX

1h 50mdirect

C$ 439Bangkok Airways

Tue, 20 Oct - Thu, 29 Oct

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Bangkok Airways flights from Chiang Mai to Ko Samui

Our best Bangkok Airways deals on Chiang Mai to Ko Samui flight tickets

Bangkok Airways

20 Oct

CNX10:10 a.m.Chiang Mai

5h 00m

1 stop

USM3:10 p.m.Ko Samui

30 Oct

USM8:50 a.m.Ko Samui

1h 50m

CNX10:40 a.m.Chiang Mai

C$ 363

Bangkok Airways

25 Oct

CNX10:10 a.m.Chiang Mai

21h 00m

1 stop

USM7:10 a.m.Ko Samui

30 Oct

USM8:50 a.m.Ko Samui

1h 50m

CNX10:40 a.m.Chiang Mai

C$ 384

Bangkok Airways

26 Oct

CNX7:45 p.m.Chiang Mai

12h 25m

1 stop

USM8:10 a.m.Ko Samui

30 Oct

USM8:50 a.m.Ko Samui

1h 50m

CNX10:40 a.m.Chiang Mai

C$ 391

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Wed 16/9

11:50 a.m.-5:05 p.m.

1 stop5h 15m

Ko Samui

Wed 23/9

8:55 a.m.-10:40 a.m.

Nonstop1h 45m

C$ 316

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Wed 16/9

11:50 a.m.-5:05 p.m.

1 stop5h 15m

Ko Samui

Wed 23/9

7:50 a.m.-1:50 p.m.

1 stop6h 00m

C$ 362

Quickest round-trip

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Tue 20/10

10:10 a.m.-3:10 p.m.

1 stop5h 00m

Ko Samui

Fri 30/10

8:50 a.m.-10:40 a.m.

Nonstop1h 50m

C$ 363

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Sun 25/10

10:10 a.m.-7:10 a.m.

1 stop21h 00m

Ko Samui

Fri 30/10

8:50 a.m.-10:40 a.m.

Nonstop1h 50m

C$ 384

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Tue 6/10

2:30 p.m.-8:30 p.m.

1 stop6h 00m

Ko Samui

Mon 12/10

6:00 a.m.-11:20 a.m.

1 stop5h 20m

C$ 389

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Mon 26/10

7:45 p.m.-8:10 a.m.

1 stop12h 25m

Ko Samui

Fri 30/10

8:50 a.m.-10:40 a.m.

Nonstop1h 50m

C$ 391

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Sat 12/9

10:10 a.m.-8:25 p.m.

2 stops10h 15m

Ko Samui

Tue 15/9

8:55 a.m.-10:40 a.m.

Nonstop1h 45m

C$ 433

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Sat 12/9

10:10 a.m.-8:25 p.m.

2 stops10h 15m

Ko Samui

Tue 15/9

8:55 a.m.-10:40 a.m.

Nonstop1h 45m

C$ 435

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Wed 30/9

11:50 a.m.-4:35 p.m.

1 stop4h 45m

Ko Samui

Wed 30/9

7:10 p.m.-11:25 p.m.

1 stop4h 15m

C$ 438

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Tue 20/10

10:10 a.m.-5:45 p.m.

1 stop7h 35m

Ko Samui

Thu 29/10

8:50 a.m.-10:40 a.m.

Nonstop1h 50m

C$ 439

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chiang Mai to Ko Samui

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

Prices

Airlines

Delays

Other information

What is the typical price of a round-trip flight between Chiang Mai and Ko Samui?

What is the cheapest month to fly to Ko Samui?

The month of September is, on average, the cheapest month to fly to Ko Samui from Chiang Mai, with most prices found around C$ 379. If you aren’t able to travel to Ko Samui during the month of September, then flying in November is also cheap. Prices for this month can be found on momondo for an average of C$ 471.

What is the cheapest Chiang Mai to Ko Samui flight route?

Fly from Chiang Mai to Ko Samui for the best Chiang Mai - Ko Samui flight prices

What cabin class options are available on Chiang Mai to Ko Samui flights?

There is only 1 cabin class available to choose from on Chiang Mai to Ko Samui flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chiang Mai to Ko Samui flights?

You could potentially save up to 2% on your flight if you consider stops on a Chiang Mai to Ko Samui flight.

How have Chiang Mai to Ko Samui flight prices changed over time?

As of June 2026, prices for Chiang Mai to Ko Samui flights are approximately 19% more expensive when compared to flights at the same time last year.

When to book flights from Chiang Mai to Ko Samui

Are you open to changing your travel dates? Check out the ideal times to fly from Chiang Mai to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chiang Mai to Ko Samui (CNX to USM) flight deals and tips

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

Fastest flight time	6h 00m
Direct flights	Mon, Tue, Wed, Thu, Fri and Sat
Airports in Ko Samui	1 airport

The fastest flight from Chiang Mai to Ko Samui takes 6h 00m

Direct flights go from Chiang Mai to Ko Samui on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. The only airline offering direct flights is Bangkok Airways.

There is 1 airport in Ko Samui. From Chiang Mai there are direct flights to Ko Samui (USM).

Search flight deals

Frequently asked questions about flying from Chiang Mai to Ko Samui

How far is Chiang Mai to Ko Samui by plane?
A flight from Chiang Mai to Ko Samui will travel around 1035.9 km. A reasonable flight in good conditions will take 6h 00m.
When did momondo last update prices for flights from Chiang Mai Airport to Ko Samui Airport?
Prices for flights from Chiang Mai Airport to Ko Samui Airport were last updated today.
How old do you have to be to fly from Chiang Mai Airport to Ko Samui Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chiang Mai Airport to Ko Samui Airport.
What documentation or ID do you need to fly to Ko Samui Airport?
The necessary travel and health documents for your Ko Samui 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 plane model from Chiang Mai to Ko Samui?
momondo data reveals that the most frequently booked plane model on the route from Chiang Mai to Ko Samui is Airbus A319, representing 100.00% of all bookings.

Ko Tao

Ko Pha Ngan

Khanom

Why use momondo?

Why should I use momondo to find a flight deal from Chiang Mai to Ko Samui?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ko Samui from Chiang Mai.

Can I find flights from Chiang Mai to Ko Samui with flexible booking policies on momondo?

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

How can momondo help me find flights from Chiang Mai to Ko Samui?

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 Ko Samui from Chiang Mai.

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

Of course. momondo tracks the price of Chiang Mai to Ko Samui 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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Cheap flights from Chiang Mai to Ko Samui from C$ 252

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 Ko Samui departing on 6/12. 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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Bangkok Airways flights from Chiang Mai to Ko Samui

Our best Bangkok Airways deals on Chiang Mai to Ko Samui flight tickets

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How to get the cheapest flight ticket from Chiang Mai to Ko Samui

What is the typical price of a round-trip flight between Chiang Mai and Ko Samui?

What is the cheapest month to fly to Ko Samui?

What is the cheapest Chiang Mai to Ko Samui flight route?

What cabin class options are available on Chiang Mai to Ko Samui flights?

Can stopping save me money on Chiang Mai to Ko Samui flights?

How have Chiang Mai to Ko Samui flight prices changed over time?

What is the cheapest airline that flies from Chiang Mai to Ko Samui?

How often are flights from Chiang Mai to Ko Samui delayed?

What is the most punctual flight time for Chiang Mai to Ko Samui flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Chiang Mai to Ko Samui flights?

How many flights depart from Chiang Mai to Ko Samui on average per day?

How many flights depart from Chiang Mai to Ko Samui on average per week?

When to book flights from Chiang Mai to Ko Samui

Cheap Chiang Mai to Ko Samui (CNX to USM) flight deals and tips

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

Fastest flight time

Direct flights

Airports in Ko Samui

Frequently asked questions about flying from Chiang Mai to Ko Samui

Travelling to a place near Ko Samui?

Why use momondo?

An easier way to manage your Ko Samui trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cabin classes currently available on flights to Ko Samui

List of cabin classes available on flights landing in Ko Samui. Availability may vary depending on flight origin and airline.

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