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 £337 and £345 in June. The cheapest return flight price found within the last 3 days was £134 on Bangkok Airways (8 Jun-12 Jun).

Question 1

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 2

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 3

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 £337 and £345 in June.
The cheapest return flight price found within the last 3 days was £134 on Bangkok Airways (8 Jun-12 Jun).

Question 4

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 69 minutes.

Question 5

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 6

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

Accepted Answer

Flights from Chiang Mai to Ko Samui have been viewed 6 times in the past calendar month.

Question 7

How long is the flight from Chiang Mai to Ko Samui?

Accepted Answer

Bangkok Airways can get you from Chiang Mai to Ko Samui in just under 5h. Your travel time can differ by up to . Chiang Mai and Ko Samui are separated by a distance of 641 mi.

Question 8

How far ahead should I book a flight from Chiang Mai to Ko Samui?

Accepted Answer

Booking 34 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chiang Mai to Ko Samui. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 9

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

Accepted Answer

Currently, August is the cheapest month in which you can book a flight from Chiang Mai to Ko Samui (average of £66). Flying from Chiang Mai to Ko Samui in January is currently the most expensive (average of £142). 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 10

Weekly flight availability from Chiang Mai to Ko Samui

Accepted Answer

The most flights from CNX to USM are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

Question 11

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 12

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 13

What are the cheapest flights from Chiang Mai to Ko Samui?

Accepted Answer

Looking for the cheapest flight from Chiang Mai to Ko Samui? While on average our users pay £219, our data indicates the cheapest price to be £195. The most popular route (Chiang Mai - Ko Samui), is priced around £368.

Question 14

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

Accepted Answer

No one likes to see their flight delayed. When booking a flight from Chiang Mai to Ko Samui consider choosing Bangkok Airways (96%), EVA Air (92%) or Thai Airways (92%) as they are the most reliable in getting you off to your destination on time.

Question 15

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 16

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 17

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 18

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 19

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

Accepted Answer

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ko Samui from Chiang Mai today with Cheapflights!

Question 20

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

Accepted Answer

Cheapflights helps you find that perfect flight to Ko Samui from Chiang Mai by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Question 21

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

Accepted Answer

Need flexible booking options for your flight to Ko Samui from Chiang Mai? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Question 22

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

Accepted Answer

Yes, Cheapflights offers price alerts on Chiang Mai to Ko Samui flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Round-trip from	£134
Popular in	December
Cheapest in	September
Average price	£339
Good one-way deal	£200 or less

Cheap flights from Chiang Mai to Ko Samui from £134

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/6. Fares are subject to change and may not be available on all flights or dates of travel.

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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 16 January 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 16 January 2026.

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Everything you need to know about your flight from Chiang Mai to Ko Samui

How far ahead should I book a flight from Chiang Mai to Ko Samui?

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?

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

Weekly flight availability 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?

Related info for your journey

Find useful and relevant information for your journey from Chiang Mai to Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

How long is the flight from Chiang Mai to Ko Samui?

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

What are the cheapest flights 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?

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

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

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

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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 16 January 2026.