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Cheap flights from Chiang Mai to Koh Samui from ฿5,119

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/4. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — USM
24 Feb — 3 Mar1
1 adult

Cheap flight deals from Chiang Mai to Koh Samui

Discover tips and strategies to find the most affordable flight options for your journey from Chiang Mai (CNX) to Koh Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 19 February 2025.

Round-trip from

฿5,119

Popular in

August

Cheapest in

May

Average price

฿12,562

Good one-way deal

฿9,341 or less
Bangkok Airways
  • Bangkok Airways
  • 23/4-29/4
  • 2 total stops
  • 11h 40m total
  • Chiang Mai to Koh Samui
High demand for flights, 2% potential price rise
Cheapest flight prices on average. 1% potential price decrease (฿6,239 potential savings vs. average return price).
Average for round-trip flights in February 2025
Price to beat on a one-way flight from Chiang Mai to Ko Samui.

Find flight deals from Chiang Mai to Koh Samui

Cheapest flights from Chiang Mai to Koh Samui
Explore the most affordable flight options available from Chiang Mai to Koh Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 February 2025.

Wed 23/414:35CNX - USM
1 stop5h 55mBangkok Airways
Tue 29/408:00USM - CNX
1 stop5h 45mBangkok Airways
Deal found 18/2฿5,119
Sun 29/622:20CNX - USM
2 stops16h 30mMultiple Airlines
Sun 6/707:00USM - CNX
1 stop7h 05mMultiple Airlines
Deal found 18/2฿6,500

Find flights from Chiang Mai to Koh Samui within your budget

Customise your flight search to find flights from Chiang Mai to Koh Samui that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 19 February 2025.

Fly from

Chiang Mai

Fly to

Koh Samui

Route

Depart

Return

Price

Chiang MaiKoh Samui

CNX - USM

CNXUSM

Chiang Mai

Wed 23/4

14:35-20:30

1 stop5h 55m

Ko Samui

Tue 29/4

08:00-13:45

1 stop5h 45m

฿5,119

Chiang MaiKoh Samui

CNX - USM

CNXUSM

Chiang Mai

Sun 29/6

22:20-14:50

2 stops16h 30m

Ko Samui

Sun 6/7

07:00-14:05

1 stop7h 05m

฿6,500

Chiang MaiKoh Samui

CNX - USM

CNXUSM

Chiang Mai

Wed 19/3

10:10-20:55

1 stop10h 45m

฿6,130

Chiang MaiKoh Samui

CNX - USM

CNXUSM

Chiang Mai

Sat 5/4

16:25-10:30

2 stops18h 05m

฿6,163

Chiang MaiKoh Samui

CNX - USM

CNXUSM

Chiang Mai

Fri 16/5

12:35-07:20

2 stops18h 45m

฿9,868

Flights are sorted by cheapest return flights first.

Deals found on 18/2

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

Have a flexible travel schedule? Discover the best time to fly to Koh Samui from Chiang Mai with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Chiang Mai to Koh Samui

Get recent, data-driven insights about flights from Chiang Mai to Koh Samui including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from Chiang Mai to Koh Samui. Price data was last updated on 14 February 2025.

Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chiang Mai to Koh Samui. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, May is the cheapest month in which you can book a flight from Chiang Mai to Koh Samui (average of ฿173). Flying from Chiang Mai to Koh Samui in February is currently the most expensive (average of ฿267). 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.

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

Find hourly flight availability from Chiang Mai to Koh Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 February 2025.

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

Weekly flight availability from Chiang Mai to Koh Samui

Explore weekly flight availability from Chiang Mai to Koh Samui. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 19 February 2025.

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).

Rainfall in Koh Samui by month

Plan your trip to Koh Samui by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Koh 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 Koh Samui when rainfall is around 58.0 mm.

Temperature in Koh Samui by month

Plan your trip to Koh Samui by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Koh 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).

Reviews of airlines servicing Koh Samui

Get insights into the airlines that provide service to Koh Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Koh Samui. Reviews last updated 19 February 2025.

Boarding

8.0

Food

7.3

Overall

8.0

Entertainment

6.4

Crew

8.6

Comfort

8.0

Reviews

1 / 6

4.0
Okay

Derick,Jun 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.

Boarding

8.0

Food

7.3

Overall

8.0

Entertainment

6.4

Crew

8.6

Comfort

8.0

Reviews

1 / 6

4.0
Okay

Derick,Jun 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.

Boarding

8.0

Food

7.3

Overall

8.0

Entertainment

6.4

Crew

8.6

Comfort

8.0

Reviews

1 / 6

4.0
Okay

Derick,Jun 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.

Related info for your journey

Find useful and relevant information for your journey from Chiang Mai to Koh Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from Chiang Mai to Koh Samui?

    If you book a flight from Chiang Mai to Koh 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 6 flights from Chiang Mai to Koh Samui per day from 1 airline.

  • How popular is this Chiang Mai to Koh Samui flight route?

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

    Our cheapest airline available from Chiang Mai to Koh Samui is Bangkok Airways. Our recent data shows that you can find tickets from as low as ฿5,119 on this airline. Bangkok Airways is 55% cheaper than the average price of flights available within the next 90 days to this destination.

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

    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 Koh Samui on time: EVA Air (78%), Thai Airways (78%), China Airlines (78%).

  • What are the cheapest flights from Chiang Mai to Koh Samui?

    The cheapest flight price from Chiang Mai to Koh Samui is ฿9,288. On average you can expect to pay ฿9,699. The most popular route, (Chiang Mai - Ko Samui), can usually be booked for ฿5,220.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chiang Mai to Koh 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.

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

    Currently, May is the cheapest month in which you can book a flight from Chiang Mai to Koh Samui (average of ฿173). Flying from Chiang Mai to Koh Samui in February is currently the most expensive (average of ฿267). 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.

See more FAQs

Travelling to a place near Chiang Mai?

Book flights to Chiang Mai if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao

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Fly from Chiang Mai to Koh Samui on these airlines

Choose from the following airlines for your flight from Chiang Mai to Koh Samui. Flights are based on user searches made on Cheapflights and were last updated on 19 February 2025.

Top airline flying from Chiang Mai to Koh Samui

Discover the top airline that operate flights from Chiang Mai to Koh Samui. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 19 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest฿5,613Average฿11,049FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Chiang Mai to Koh 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.

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

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 Koh Samui.

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

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

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

Of course! You can now track prices for flights from Chiang Mai to Koh 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.

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