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Koh Samui

$184+ Cheap flights from Chiang Mai to Koh Samui (CNX - USM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — USM
ene. 21 — ene. 281
mar. 1/21
mar. 1/28
1 adult, Economy
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1. Tell us where you want to go
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The best prices from Chiang Mai to Ko Samui are usually found in May or June, booked 34 days in advance, depart on a Thursday or Wednesday and return on a Monday

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 enero 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$184
(Bangkok Airways)

Popular in

August

Cheapest in

May

Average price

$385
Provider with most accurate pricing for Chiang Mai-Ko Samui flight deals.
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Provider most trusted by Cheapflights users for Chiang Mai-Ko Samui flights.
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From Chiang Mai to Ko Samui
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High demand for flights, 1% potential price rise
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Best time to find cheap flights, 1% potential price drop
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Average for round-trip flights in January 2025
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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 enero 16, 2025.

This Bangkok Airways deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bangkok Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/2911:55 amCNX - USM
1 stop5h 50mBangkok Airways
sáb. 6/147:00 amUSM - CNX
1 stop4h 15mBangkok Airways
Deal found 1/16$184
This Mytrip deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/236:20 amCNX - USM
1 stop14h 10mMultiple Airlines
mié. 2/268:50 amUSM - CNX
Nonstop1h 50mMultiple Airlines
Deal found 1/16$278

Find flights from Chiang Mai to Koh Samui within your budget

Customize 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 2,558,603 searches. Data last updated enero 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Chiang MaiKoh Samui

CNX - USM

CNXUSM

Chiang Mai

jue. 5/29

11:55 am-5:45 pm

1 stop5h 50m

Ko Samui

sáb. 6/14

7:00 am-11:15 am

1 stop4h 15m

$184

Chiang MaiKoh Samui

CNX - USM

CNXUSM

Chiang Mai

dom. 2/23

6:20 am-8:30 pm

1 stop14h 10m

Ko Samui

mié. 2/26

8:50 am-10:40 am

Nonstop1h 50m

$278

Chiang MaiKoh Samui

CNX - USM

CNXUSM

Chiang Mai

sáb. 2/8

10:00 pm-5:30 pm

2 stops19h 30m

$190

Chiang MaiKoh Samui

CNX - USM

CNXUSM

Chiang Mai

sáb. 2/15

7:45 pm-7:40 am

1 stop11h 55m

$192

Chiang MaiKoh Samui

CNX - USM

CNXUSM

Chiang Mai

sáb. 2/15

2:50 pm-8:10 am

2 stops17h 20m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Compare providers for flights from Chiang Mai to Koh Samui

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chiang Mai to Koh Samui in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chiang Mai-Koh Samui flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chiang Mai-Koh Samui flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chiang Mai-Koh Samui flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chiang Mai-Koh Samui flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chiang Mai-Koh Samui flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from Chiang Mai to Koh Samui. Price data was last updated on January 10, 2025.

Booking 34 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 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 enero 16, 2025.

One of the essential ways to save on airfare from Chiang Mai to Koh Samui is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 15% on airfare.

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 enero 16, 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 2.3 - 19.3 inches per month. November is typically the wettest month, when rainfall can reach 19.3 in. February is typically the driest time to visit Koh Samui when rainfall is around 2.3 in.

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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

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 enero 16, 2025.
Bangkok Airways
8.1
Very good
129 reviews

Entertainment

6.4

Food

7.3

Overall

8.1

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 6

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

Bangkok Airways
8.1
Very good
129 reviews
Bangkok Airways
8.1
Very good
129 reviews

Entertainment

6.4

Food

7.3

Overall

8.1

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 6

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

Malaysia Airlines
7.3
Good
277 reviews
Bangkok Airways
8.1
Very good
129 reviews

Entertainment

6.4

Food

7.3

Overall

8.1

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 6

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?

    You will need to book a flight from Chiang Mai to Ko Samui if you want to fly from Chiang Mai to Koh Samui. At least 1 airline has flights from Chiang Mai (CNX) to Ko Samui (USM) on a regular basis. There are 6 flights to Koh Samui from the Chiang Mai airport per day. If you manage to book one that is nonstop, then you can expect the flight time from CNX to USM to be around 19h 30m.

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

    Within the past month, 2 users have taken a look at flights from Chiang Mai to Ko Samui.

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

    Currently priced at $184, Bangkok Airways will fly you from Chiang Mai to Koh Samui and back. In addition to Bangkok Airways, many other airlines offer competitively priced options for your trip. Users have found that Bangkok Airways is 45% cheaper than the other options available to this destination.

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

    Consider EVA Air (76%), Thai Airways (76%) or China Airlines (76%) when booking your flight. These represent the most reliable airlines when flying from Chiang Mai to Koh Samui.

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

    While on average a flight from Chiang Mai to Koh Samui is generally $276, our data shows the cheapest flight currently is $221. When looking at the most popular route, (Chiang Mai - Ko Samui), you can expect to pay $586 for that flight.

  • 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 vacation 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.

See more FAQs

Traveling 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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Alternative routes for Chiang Mai to Koh Samui

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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 2,558,603 searches. Data last updated enero 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest$170Average$349FlexibilityNo cancel feeOn-time74%
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