Q: How much does it cost for a return flight from Chiang Mai to Ko Samui?

Airfare is below average for this route at the moment. Chiang Mai to Ko Samui flights typically cost between ฿15,534 and ฿20,043 in October. The cheapest return price found within the last 5 days was ฿7,227 on Multiple Airlines (30 Oct–5 Nov).

Question 1

Which airport typically offers the quickest stopover for flights from Chiang Mai to Ko Samui?

Accepted Answer

Flights via Bangkok (DMK) offer the fastest connection on this route, with an average stopover time of 2h 50m.

Question 2

How much does it cost for a return flight from Chiang Mai to Ko Samui?

Accepted Answer

Airfare is below average for this route at the moment.Chiang Mai to Ko Samui flights typically cost between ฿15,534 and ฿20,043 in October.
The cheapest return price found within the last 5 days was ฿7,227 on Multiple Airlines (30 Oct–5 Nov).

Question 3

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

Accepted Answer

Over the past year, Bangkok Airways have had the lowest number of delays on this route, with just 4% of flights being delayed.

Question 4

What’s the fastest stopover option from Chiang Mai to Ko Samui?

Accepted Answer

Flights via Bangkok (DMK) have the shortest average one-way travel time for one-stop routes: 5h 05m.

Question 5

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

Accepted Answer

About 4% of weekly flights between Chiang Mai and Ko Samui have experienced delays in the past year, with the average delay time being 82 minutes.

Question 6

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

Accepted Answer

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

Question 7

What’s the cheapest stopover airport for flights from Chiang Mai to Ko Samui?

Accepted Answer

Bangkok (DMK) is the most affordable one-stop option, with an average return flight price of ฿5,219.

Question 8

What’s the top stopover airport for flights from Chiang Mai to Ko Samui?

Accepted Answer

Bangkok (BKK) – chosen by Cheapflights users on 60% of one-stop itineraries from Chiang Mai to Ko Samui on Cheapflights.

Question 9

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

Accepted Answer

Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

Question 10

How popular is this Chiang Mai to Ko Samui flight route?

Accepted Answer

Flights from Chiang Mai to Ko Samui have been viewed 1 times in the past calendar month.

Question 11

What is the cheapest airline to fly from Chiang Mai to Ko Samui round-trip?

Accepted Answer

Our cheapest airline available from Chiang Mai to Ko Samui is Bangkok Airways. Our recent data shows that you can find tickets from as low as ฿4,109 on this airline. You may be able to fly from Chiang Mai to Ko Samui for 71% less than the average price by searching for this airline.

Question 12

What is the cheapest month to book a flight from Chiang Mai to Ko Samui?

Accepted Answer

Currently, June is the cheapest month in which you can book a flight from Chiang Mai to Ko Samui (average of ฿8,476). Flying from Chiang Mai to Ko Samui in August is currently the most expensive (average of ฿21,377). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 13

Weekly flight availability from Chiang Mai to Ko Samui

Accepted Answer

The most flights from CNX to USM are scheduled on a Wednesday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

Question 14

E

Accepted Answer

In terms of precipitation, rainfall in Ko Samui ranges from 58.0 - 490.0 inches per month. November is typically the wettest month, when rainfall can reach 490.0 mm. February is typically the driest time to visit Ko Samui when rainfall is around 58.0 mm.

Question 15

E

Accepted Answer

If weather is an important factor for your trip to Ko Samui, 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 January, when temperatures are typically at their lowest (around 27.0 C).

Question 16

What are the most reliable airlines from Chiang Mai to Ko Samui?

Accepted Answer

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chiang Mai to Ko Samui on time: EVA Air (83%), Thai Airways (83%), เอทิฮัดแอร์เวย์ (83%).

Question 17

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

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chiang Mai to Ko Samui as you normally would.

Question 18

What airports do I use to fly from Chiang Mai to Ko Samui?

Accepted Answer

If you book a flight from Chiang Mai to Ko Samui, you will be flying from Chiang Mai to Ko Samui. Flights to Ko Samui (USM) from Chiang Mai (CNX) take 1h 45m for a nonstop flight. There are 9 flights from Chiang Mai to Ko Samui per day from 1 airline.

Question 19

Can I find deals for flights from Chiang Mai to Ko Samui that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Chiang Mai to Ko Samui flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 20

How can I find direct flights from Chiang Mai to Ko Samui?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chiang Mai to Ko Samui.

Question 21

Can I find deals for business class flights from Chiang Mai to Ko Samui?

Accepted Answer

Yes. Cheapflights offers flight deals from Chiang Mai to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 22

How does Cheapflights help users find flights from Chiang Mai to Ko Samui?

Accepted Answer

Cheapflights helps you search for flights from Chiang Mai to Ko Samui via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Question 23

Why should you use Cheapflights to find cheap flight tickets from Chiang Mai to Ko Samui?

Accepted Answer

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Chiang Mai to Ko Samui.

Question 24

Can Cheapflights find flights from Chiang Mai to Ko Samui with no change fees?

Accepted Answer

Cheapflights does show flights with no change fees to all users. To see these options for flights from Chiang Mai to Ko Samui, users can toggle the no change fees filter when performing a flight search.

Question 25

Can Cheapflights notify me if prices for flights from Chiang Mai to Ko Samui become cheaper?

Accepted Answer

Of course! You can now track prices for flights from Chiang Mai to Ko Samui and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

Round-trip from	฿7,227
One-way from	฿6,754
Popular in	August
Cheapest in	June
Average price	฿15,197

Cheap flights from Chiang Mai to Ko Samui from ฿6,754

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Chiang Mai to Ko Samui

Cheapest flights from Chiang Mai to Ko SamuiExplore the most affordable flight options available from Chiang Mai to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 July 2026.

Explore the most affordable flight options available from Chiang Mai to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 July 2026.

Best flights from Chiang Mai to Ko SamuiDiscover carefully curated flight deals from Chiang Mai to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 July 2026.

Discover carefully curated flight deals from Chiang Mai to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 July 2026.

Direct flights from Chiang Mai to Ko SamuiExplore direct flight options from Chiang Mai to Ko Samui based on user searches, and compare prices and availability for your desired travel dates. Data last updated 23 July 2026.

Explore direct flight options from Chiang Mai to Ko Samui based on user searches, and compare prices and availability for your desired travel dates. Data last updated 23 July 2026.

Last-minute flights from Chiang Mai to Ko SamuiDiscover last-minute flight deals from Chiang Mai to Ko Samui. Data last updated 23 July 2026 and is based on user searches.

Discover last-minute flight deals from Chiang Mai to Ko Samui. Data last updated 23 July 2026 and is based on user searches.

One-way flights from Chiang Mai to Ko SamuiSearch for one-way flight options from Chiang Mai to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 23 July 2026.

Search for one-way flight options from Chiang Mai to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 23 July 2026.

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Cheapflights Fare Finder

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

Best time to book a flight from Chiang Mai to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Chiang Mai with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Chiang Mai to Ko Samui?

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chiang Mai to Ko Samui as you normally would.

How much does it cost for a return flight from Chiang Mai to Ko Samui?

Weekly flight availability from Chiang Mai to Ko Samui

The most flights from CNX to USM are scheduled on a Wednesday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

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

About 4% of weekly flights between Chiang Mai and Ko Samui have experienced delays in the past year, with the average delay time being 82 minutes.

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

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

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

Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, Bangkok Airways have had the lowest number of delays on this route, with just 4% of flights being delayed.

What’s the top stopover airport for flights from Chiang Mai to Ko Samui?

Bangkok (BKK) – chosen by Cheapflights users on 60% of one-stop itineraries from Chiang Mai to Ko Samui on Cheapflights.

What’s the cheapest stopover airport for flights from Chiang Mai to Ko Samui?

Bangkok (DMK) is the most affordable one-stop option, with an average return flight price of ฿5,219.

What’s the fastest stopover option from Chiang Mai to Ko Samui?

Flights via Bangkok (DMK) have the shortest average one-way travel time for one-stop routes: 5h 05m.

Which airport typically offers the quickest stopover for flights from Chiang Mai to Ko Samui?

Flights via Bangkok (DMK) offer the fastest connection on this route, with an average stopover time of 2h 50m.

Reviews of airlines servicing Ko Samui

Read reviews from past customers who have flown with Bangkok Airways from Chiang Mai to Ko Samui. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airports do I use to fly from Chiang Mai to Ko Samui?

How popular is this Chiang Mai to Ko Samui flight route?

What is the cheapest airline to fly from Chiang Mai to Ko Samui round-trip?

What are the most reliable airlines from Chiang Mai to Ko Samui?

Can I find deals for flights from Chiang Mai to Ko Samui that include hotel bookings?

How can I find direct flights from Chiang Mai to Ko Samui?

Can I find deals for business class flights from Chiang Mai to Ko Samui?

What is the cheapest month to book a flight from Chiang Mai to Ko Samui?

Travelling to a place near Ko Samui?

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Fly from Chiang Mai to Ko Samui on these airlines

Choose from the following airlines for your flight from Chiang Mai to Ko Samui. Flights are based on user searches made on Cheapflights and were last updated on 23 July 2026.

Alternative routes for Chiang Mai to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

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

Direct flights to Thailand

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

Search flights from Chiang Mai to Ko Samui by cabin class

Find flights from Chiang Mai to Ko Samui, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Ko Samui

Explore flights to Ko Samui departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 23 July 2026.

Chiang Mai and Ko Samui flights

Browse other Chiang Mai and Ko Samui flight options. Last updated on 23 July 2026.

Popular flight searches

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Top airline flying from Chiang Mai to Ko Samui

Fly with Cheapflights

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Why should you use Cheapflights to find cheap flight tickets from Chiang Mai to Ko Samui?

Cheapest flights from Chiang Mai to Ko Samui
Explore the most affordable flight options available from Chiang Mai to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 July 2026.

Best flights from Chiang Mai to Ko Samui
Discover carefully curated flight deals from Chiang Mai to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 July 2026.

Direct flights from Chiang Mai to Ko Samui
Explore direct flight options from Chiang Mai to Ko Samui based on user searches, and compare prices and availability for your desired travel dates. Data last updated 23 July 2026.

Last-minute flights from Chiang Mai to Ko Samui
Discover last-minute flight deals from Chiang Mai to Ko Samui. Data last updated 23 July 2026 and is based on user searches.

One-way flights from Chiang Mai to Ko Samui
Search for one-way flight options from Chiang Mai to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 23 July 2026.