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.

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

Historically, on average around 2% 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 74 minutes.

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 October 2025. The most popular departure time for this route is 8:00AM, with 100% of flights per day taking off at noon.

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

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

According to our data, Etihad 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 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 week?

As of October 2025, 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 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 many operators does momondo search for flights from Ko Samui Airport to Chiang Mai Airport?

As of October 2025, there is 1 operator available to choose from 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?

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.

$94 Cheap Flights from Ko Samui to Chiang Mai in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:50 am - 10:40 amUSM-CNX

1h 50mnonstop

10:50 pm - 7:45 amCNX-USM

8h 55m1 stop

$248Multiple Airlines

Find Deal

Mon, Nov 24 - Thu, Nov 27

8:30 am - 9:40 pmUSM-CNX

13h 10m1 stop

10:50 pm - 7:45 amCNX-USM

8h 55m1 stop

$283Multiple Airlines

Find Deal

Mon, Nov 24 - Thu, Nov 27

8:50 am - 10:40 amUSM-CNX

1h 50mnonstop

8:05 am - 6:25 pmCNX-USM

10h 20m2 stops

$295Multiple Airlines

Find Deal

Sat, Dec 13 - Sun, Dec 14

8:50 am - 10:40 amUSM-CNX

1h 50mnonstop

6:35 am - 11:35 amCNX-USM

5h 00m1 stop

$301Multiple Airlines

Find Deal

Sun, Dec 14 - Sun, Dec 21

8:50 am - 10:40 amUSM-CNX

1h 50mnonstop

6:50 am - 8:30 pmCNX-USM

13h 40m1 stop

$305Multiple Airlines

Find Deal

Sat, Dec 13 - Sun, Dec 14

7:00 am - 2:00 pmUSM-CNX

7h 00m1 stop

10:50 pm - 7:45 amCNX-USM

8h 55m1 stop

$307Multiple Airlines

Find Deal

Wed, Nov 26 - Wed, Dec 3

8:50 am - 10:40 amUSM-CNX

1h 50mnonstop

10:50 pm - 7:30 amCNX-USM

8h 40m1 stop

$310Multiple Airlines

Find Deal

Wed, Nov 26 - Wed, Dec 3

8:50 am - 10:40 amUSM-CNX

1h 50mnonstop

12:10 pm - 5:50 pmCNX-USM

5h 40m1 stop

$312Bangkok Airways

Find Deal

Thu, Feb 12 - Sun, Feb 22

8:50 am - 10:40 amUSM-CNX

1h 50mnonstop

2:30 pm - 8:25 pmCNX-USM

5h 55m1 stop

$314Multiple Airlines

Find Deal

Fri, Dec 5 - Fri, Dec 12

8:50 am - 10:40 amUSM-CNX

1h 50mnonstop

12:10 pm - 8:25 pmCNX-USM

8h 15m1 stop

$321Bangkok Airways

Find Deal

Sat, Dec 13 - Sun, Dec 14

Bangkok Airways flights from Ko Samui to Chiang Mai

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

Bangkok Airways

Feb 12

USM8:50 amKo Samui

1h 50m

CNX10:40 amChiang Mai

Feb 22

CNX12:10 pmChiang Mai

5h 40m

1 stop

USM5:50 pmKo Samui

$312

Find similar

Bangkok Airways

Dec 13

USM8:50 amKo Samui

1h 50m

CNX10:40 amChiang Mai

Dec 14

CNX12:10 pmChiang Mai

8h 15m

1 stop

USM8:25 pmKo Samui

$321

Find similar

Bangkok Airways

Feb 10

USM8:50 amKo Samui

1h 50m

CNX10:40 amChiang Mai

Feb 13

CNX10:10 amChiang Mai

5h 50m

1 stop

USM4:00 pmKo Samui

$340

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Mon 11/24

8:50 am-10:40 am

Nonstop1h 50m

Chiang Mai

Thu 11/27

10:50 pm-7:45 am

1 stop8h 55m

$248

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Mon 11/24

8:30 am-9:40 pm

1 stop13h 10m

Chiang Mai

Thu 11/27

10:50 pm-7:45 am

1 stop8h 55m

$283

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Sat 12/13

8:50 am-10:40 am

Nonstop1h 50m

Chiang Mai

Sun 12/14

8:05 am-6:25 pm

2 stops10h 20m

$295

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Sun 12/14

8:50 am-10:40 am

Nonstop1h 50m

Chiang Mai

Sun 12/21

6:35 am-11:35 am

1 stop5h 00m

$301

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Sat 12/13

8:50 am-10:40 am

Nonstop1h 50m

Chiang Mai

Sun 12/14

6:50 am-8:30 pm

1 stop13h 40m

$305

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Wed 11/26

7:00 am-2:00 pm

1 stop7h 00m

Chiang Mai

Wed 12/3

10:50 pm-7:45 am

1 stop8h 55m

$307

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Wed 11/26

8:50 am-10:40 am

Nonstop1h 50m

Chiang Mai

Wed 12/3

10:50 pm-7:30 am

1 stop8h 40m

$310

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Thu 2/12

8:50 am-10:40 am

Nonstop1h 50m

Chiang Mai

Sun 2/22

12:10 pm-5:50 pm

1 stop5h 40m

$312

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Fri 12/5

8:50 am-10:40 am

Nonstop1h 50m

Chiang Mai

Fri 12/12

2:30 pm-8:25 pm

1 stop5h 55m

$314

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Sat 12/13

8:50 am-10:40 am

Nonstop1h 50m

Chiang Mai

Sun 12/14

12:10 pm-8:25 pm

1 stop8h 15m

$321

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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 October 2025, prices for Ko Samui to Chiang Mai flights are approximately 18% 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	$124
Fastest flight time	1h 50m
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 $124. 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 1h 50m

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

There is 1 airport near Chiang Mai: 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 1h 50m 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 many operators does momondo search for flights from Ko Samui Airport to Chiang Mai Airport?
As of October 2025, there is 1 operator available to choose from 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?
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.
What is the most popular airline from Ko Samui to Chiang Mai?
Based on momondo bookings for flights between Ko Samui and Chiang Mai, the leading airline is Bangkok Airways, making up 100% of the total bookings.

Best airlines flying from Ko Samui to Chiang Mai

Compare and see reviews for airlines that fly from Ko Samui to Chiang Mai with momondo

Airline	Rating	Free Cancellation	Price
Bangkok Airways	PriceFrom $258	Free Cancellation	Rating 8.0 115 reviews		Search Bangkok Airways flights

Bangkok Airways Flights From Ko Samui to Chiang Mai
The lowest priced Bangkok Airways flight from Ko Samui to Chiang Mai from the last 72 hours was $258. Generally, Bangkok Airways has 7 flights on this route every week with an average price of $377. Bangkok Airways is rated 8.0/10 by our users.

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 $94

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 3/19. 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 Ko Samui to Chiang Mai

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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

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 October 2025, prices for Ko Samui to Chiang Mai flights are approximately 18% 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 2% 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 74 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, Etihad 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 October 2025. 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 October 2025, 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 many operators does momondo search 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?

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

Best airlines flying from Ko Samui to Chiang Mai

Compare and see reviews for airlines that fly from Ko Samui to Chiang Mai with momondo

Bangkok Airways Flights 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