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Cheap flights from Chiang Mai to Ko Samui from C$ 262

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — USM
8 Mar — 15 Mar1
1 adult

Cheap flight deals from Chiang Mai to Ko Samui

Discover tips and strategies to find the most affordable flight options for your journey from Chiang Mai (CNX) to Ko 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 3 March 2025.

Round-trip from

C$ 309

One-way from

C$ 262

Popular in

August

Cheapest in

May

Average price

C$ 513

Good one-way deal

C$ 399 or less
Bangkok Airways
  • Bangkok Airways
  • 27/4-30/4
  • 2 total stops
  • 9h 40m total
  • Chiang Mai to Ko Samui
Bangkok Airways
  • Bangkok Airways
  • 11/3
  • 1 total stop
  • 11h 55m total
  • Chiang Mai to Ko Samui
High demand for flights, 2% potential price rise
Cheapest flight prices on average. 1% potential price decrease (C$ 14 potential savings vs. average RT price).
Average for round-trip flights in March 2025
Price to beat on a one-way flight from Chiang Mai to Ko Samui.

Find flight deals 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 3 March 2025.

Sun 27/411:55 a.m.CNX - USM
1 stop5h 10mBangkok Airways
Wed 30/48:55 a.m.USM - CNX
Nonstop1h 45mBangkok Airways
Deal found 3/3C$ 309
Sun 16/31:25 p.m.CNX - USM
2 stops7h 25mMultiple Airlines
Sun 23/38:50 a.m.USM - CNX
Nonstop1h 50mMultiple Airlines
Deal found 2/3C$ 496

Find flights from Chiang Mai to Ko Samui within your budget

Customize your flight search to find flights from Chiang Mai to Ko 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 629,999 searches. Data last updated 3 March 2025.

Fly from

Chiang Mai

Fly to

Ko Samui

Route

Depart

Return

Price

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Sun 27/4

11:55 a.m.-5:05 p.m.

1 stop5h 10m

Ko Samui

Wed 30/4

8:55 a.m.-10:40 a.m.

Nonstop1h 45m

C$ 309

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Sun 16/3

1:25 p.m.-8:50 p.m.

2 stops7h 25m

Ko Samui

Sun 23/3

8:50 a.m.-10:40 a.m.

Nonstop1h 50m

C$ 496

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Tue 11/3

7:45 p.m.-7:40 a.m.

1 stop11h 55m

C$ 262

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Mon 7/4

11:00 a.m.-8:25 p.m.

2 stops9h 25m

C$ 279

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Mon 17/3

12:25 p.m.-8:10 a.m.

2 stops19h 45m

C$ 590

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

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.
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 Ko Samui

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

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

Use this chart to determine the optimal time to book a round-trip flight from Chiang Mai to Ko Samui. Price data was last updated on 28 February 2025.

The best time to book flights from Chiang Mai to Ko Samui is 59 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Find hourly flight availability from Chiang Mai to Ko Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 March 2025.

When flying from Chiang Mai to Ko Samui, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Chiang Mai to Ko Samui

Explore weekly flight availability from Chiang Mai to Ko 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 3 March 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 Ko Samui by month

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

In terms of precipitation, rainfall in Ko Samui ranges from 58.0 - 490.0 mm 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.

Temperature in Ko Samui by month

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

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).

Reviews of airlines servicing Ko Samui

Get insights into the airlines that provide service to Ko 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 Ko Samui. Reviews last updated 3 March 2025.

Overall

8.0

Food

7.3

Boarding

7.9

Crew

8.5

Entertainment

6.3

Comfort

7.9

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.

Overall

8.0

Food

7.3

Boarding

7.9

Crew

8.5

Entertainment

6.3

Comfort

7.9

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.

Overall

8.0

Food

7.3

Boarding

7.9

Crew

8.5

Entertainment

6.3

Comfort

7.9

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 Ko 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 Ko Samui?

    You will need to book a flight from Chiang Mai to Ko Samui if you want to fly from Chiang Mai to Ko Samui. At least 1 airline has flights from Chiang Mai (CNX) to Ko Samui (USM) on a regular basis. There are 6 flights to Ko 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 6h 00m.

  • 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?

    Bangkok Airways, at C$ 309, was found to be the cheapest airline from Chiang Mai to Ko Samui.. Users have found that Bangkok Airways is 37% cheaper than the other options available to this destination.

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

    Consider EVA Air (82%), Thai Airways (82%) or China Airlines (82%) when booking your flight. These represent the most reliable airlines when flying from Chiang Mai to Ko Samui.

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

    On average you can expect to pay C$ 400 for a flight from Chiang Mai to Ko Samui. The cheapest flight overall is C$ 297 while the most popular route, (Chiang Mai - Ko Samui) is currently priced at C$ 713.

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

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

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

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

    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.

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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Top airline flying from Chiang Mai to Ko Samui

Discover the top airline that operate flights from Chiang Mai to Ko 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 629,999 searches. Data last updated 3 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapestC$ 300AverageC$ 459FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights

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

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