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

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Bangkok Airways have had the least number of delays on this route over the last 12 months; with about 1% of their flights experiencing any sort of delay.

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

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

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

Historically, on average around 1% of flights between Ko Samui and Chiang Mai have experienced a delay on any given week. The average delay length over the past 12 months has been 91 minutes.

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

As of January 2026, there are 42 flights per week flying from Ko Samui to Chiang Mai. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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

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

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

6 flights are operational daily from Ko Samui to Chiang Mai as of January 2026. The most popular departure time for this route is 8:00AM, with 100% of flights per day taking off at noon.

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

Prices for flights from Ko Samui Airport to Chiang Mai Airport are updated daily.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ko Samui Airport to Chiang Mai Airport.

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

The travel and health documents you'll need for your trip to Chiang Mai Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chiang Mai Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$132 Cheap Flights from Ko Samui to Chiang Mai in 2026

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Find the cheapest flights from Ko Samui to Chiang Mai

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:50 am - 10:40 am

USM

CNX

1h 50mnonstop

7:45 pm - 7:50 am

CNX

USM

12h 05m

1 stop

$299Bangkok Airways

Fri, Mar 6 - Fri, Mar 13

3:50 pm - 8:55 pm

USM

CNX

5h 05m

1 stop

10:50 pm - 7:50 am

CNX

USM

9h 00m

1 stop

$342Multiple Airlines

Fri, Mar 6 - Fri, Mar 13

11:10 am - 3:40 pm

USM

CNX

4h 30m

1 stop

3:45 pm - 9:20 pm

CNX

USM

5h 35m

1 stop

$357Multiple Airlines

Thu, Mar 5 - Thu, Mar 12

11:10 am - 3:40 pm

USM

CNX

4h 30m

1 stop

10:25 pm - 7:45 am

CNX

USM

9h 20m

1 stop

$382Multiple Airlines

Fri, Mar 13 - Sun, Mar 15

3:50 pm - 8:55 pm

USM

CNX

5h 05m

1 stop

11:15 am - 6:25 pm

CNX

USM

7h 10m

2 stops

$396Multiple Airlines

Fri, Mar 6 - Fri, Mar 13

7:00 pm - 7:35 am

USM

CNX

12h 35m

2 stops

2:10 pm - 8:30 pm

CNX

USM

6h 20m

1 stop

$425Multiple Airlines

Wed, Feb 18 - Wed, Feb 25

4:35 pm - 10:50 pm

USM

CNX

6h 15m

1 stop

10:50 pm - 7:30 am

CNX

USM

8h 40m

1 stop

$433Multiple Airlines

Mon, Feb 16 - Mon, Feb 23

7:00 pm - 8:45 pm

USM

CNX

25h 45m

2 stops

10:50 pm - 7:45 am

CNX

USM

8h 55m

1 stop

$437Multiple Airlines

Mon, Feb 16 - Mon, Feb 23

5:05 pm - 9:50 pm

USM

CNX

4h 45m

1 stop

6:30 am - 10:25 am

CNX

USM

3h 55m

1 stop

$439Multiple Airlines

Wed, Feb 18 - Wed, Feb 25

7:00 pm - 8:45 pm

USM

CNX

25h 45m

2 stops

10:50 pm - 8:50 pm

CNX

USM

22h 00m

2 stops

$441Multiple Airlines

Mon, Feb 16 - Mon, Feb 23

Bangkok Airways flights from Ko Samui to Chiang Mai

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

Bangkok Airways

Mar 6

USM8:50 amKo Samui

1h 50m

CNX10:40 amChiang Mai

Mar 13

CNX7:45 pmChiang Mai

12h 05m

1 stop

USM7:50 amKo Samui

$299

Bangkok Airways

Feb 24

USM8:50 amKo Samui

1h 50m

CNX10:40 amChiang Mai

Feb 28

CNX10:10 amChiang Mai

5h 30m

1 stop

USM3:40 pmKo Samui

$450

Bangkok Airways

Feb 24

USM8:50 amKo Samui

1h 50m

CNX10:40 amChiang Mai

Feb 28

CNX10:10 amChiang Mai

6h 30m

1 stop

USM4:40 pmKo Samui

$463

Fly from

Fly to

Route

Depart

Return

Price

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Fri 3/6

8:50 am-10:40 am

Nonstop1h 50m

Chiang Mai

Fri 3/13

7:45 pm-7:50 am

1 stop12h 05m

$299

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Fri 3/6

3:50 pm-8:55 pm

1 stop5h 05m

Chiang Mai

Fri 3/13

10:50 pm-7:50 am

1 stop9h 00m

$342

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Thu 3/5

11:10 am-3:40 pm

1 stop4h 30m

Chiang Mai

Thu 3/12

3:45 pm-9:20 pm

1 stop5h 35m

$357

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Fri 3/13

11:10 am-3:40 pm

1 stop4h 30m

Chiang Mai

Sun 3/15

10:25 pm-7:45 am

1 stop9h 20m

$382

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Fri 3/6

3:50 pm-8:55 pm

1 stop5h 05m

Chiang Mai

Fri 3/13

11:15 am-6:25 pm

2 stops7h 10m

$396

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Wed 2/18

7:00 pm-7:35 am

2 stops12h 35m

Chiang Mai

Wed 2/25

2:10 pm-8:30 pm

1 stop6h 20m

$425

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Mon 2/16

4:35 pm-10:50 pm

1 stop6h 15m

Chiang Mai

Mon 2/23

10:50 pm-7:30 am

1 stop8h 40m

$433

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Mon 2/16

7:00 pm-8:45 pm

2 stops25h 45m

Chiang Mai

Mon 2/23

10:50 pm-7:45 am

1 stop8h 55m

$437

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Wed 2/18

5:05 pm-9:50 pm

1 stop4h 45m

Chiang Mai

Wed 2/25

6:30 am-10:25 am

1 stop3h 55m

$439

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Mon 2/16

7:00 pm-8:45 pm

2 stops25h 45m

Chiang Mai

Mon 2/23

10:50 pm-8:50 pm

2 stops22h 00m

$441

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How to get the cheapest flight ticket from Ko Samui 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

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

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

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

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

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

As of January 2026, prices for Ko Samui to Chiang Mai flights are approximately 16% more expensive when compared to flights at the same time last year.

When to book flights from Ko Samui to Chiang Mai

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

Estimated round-trip price

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

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

Best Price Found	$188
Fastest flight time	4h 20m
Direct flights	Every day
Airports in Chiang Mai	1 airport

The best one-way flight to Chiang Mai from Ko Samui in the past 72 hours is $188. The best round-trip flight deal from Ko Samui to Chiang Mai found on momondo in the last 72 hours is $375.

The fastest flight from Ko Samui to Chiang Mai takes 4h 20m

Direct flights go from Ko Samui to Chiang Mai every day.

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

Search flight deals

How far is Ko Samui to Chiang Mai by plane?
There are 643.7 mi between Ko Samui and Chiang Mai. Typically, this will take 4h 20m by plane in normal conditions.
When did momondo last update prices for flights from Ko Samui Airport to Chiang Mai Airport?
Prices for flights from Ko Samui Airport to Chiang Mai Airport are updated daily.
How old do you have to be to fly from Ko Samui Airport to Chiang Mai Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ko Samui Airport to Chiang Mai Airport.
What documentation or ID do you need to fly to Chiang Mai Airport?
The travel and health documents you'll need for your trip to Chiang Mai Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chiang Mai Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Ko Samui to Chiang Mai?
Based on momondo bookings for flights between Ko Samui and Chiang Mai, the leading plane model is Airbus A319, making up 100.00% of the total bookings.

Why use momondo?

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

Finding the right flight to Chiang Mai from Ko Samui is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chiang Mai quick and easy, saving you time and money.

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

Yes. All flights to Chiang Mai from Ko Samui on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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 Chiang Mai from Ko Samui.

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

If you are not ready to book a flight from Ko Samui to Chiang Mai now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chiang Mai and let you know when they change.

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Cheap flights from Ko Samui to Chiang Mai from $132

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ko Samui to Chiang Mai departing on 3/10. 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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Filter for what you want

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Find the cheapest flights from Ko Samui to Chiang Mai

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Bangkok Airways flights from Ko Samui to Chiang Mai

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

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

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

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

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

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

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

As of January 2026, prices for Ko Samui to Chiang Mai flights are approximately 16% more expensive when compared to flights at the same time last year.

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

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

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

Historically, on average around 1% of flights between Ko Samui and Chiang Mai have experienced a delay on any given week. The average delay length over the past 12 months has been 91 minutes.

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

Generally, flights departing in the morning tend to experience fewer delays. Flights 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?

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Bangkok Airways have had the least number of delays on this route over the last 12 months; with about 1% of their flights experiencing any sort of delay.

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

6 flights are operational daily from Ko Samui to Chiang Mai as of January 2026. The most popular departure time for this route is 8:00AM, with 100% of flights per day taking off at noon.

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

As of January 2026, there are 42 flights per week flying from Ko Samui to Chiang Mai. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

When to book flights from Ko Samui to Chiang Mai

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

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

Best Price Found

Fastest flight time

Direct flights

Airports in Chiang Mai

How far is Ko Samui to Chiang Mai by plane?

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

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

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

What is the most popular plane model from Ko Samui to Chiang Mai?

Why use momondo?

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

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

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

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

An easier way to manage your Chiang Mai 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Thailand

Airports servicing Thailand