Find flights
When to book
Airlines
FAQs

Cheap flights from Chiang Mai to Koh Samui from C$ 270

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 19/2. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — USM
29 Jan — 5 Feb1
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 24 January 2025.

Round-trip from

C$ 454

One-way from

C$ 270

Popular in

August

Cheapest in

May

Average price

C$ 554

Good one-way deal

C$ 392 or less
Bangkok Airways
  • Bangkok Airways
  • 22/2-1/3
  • 1 total stop
  • 13h 30m total
  • Chiang Mai to Koh Samui
Search Deals
Bangkok Airways
  • Bangkok Airways
  • 19/2
  • 1 total stop
  • 11h 45m total
  • Chiang Mai to Koh Samui
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2025
Search Deals
Price to beat on a one-way flight from Chiang Mai to Ko Samui.
Search Deals

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 24 January 2025.

Mon 17/1112:10 p.m.CNX - USM
1 stop4h 50mBangkok Airways
Wed 19/112:30 p.m.USM - CNX
1 stop4h 25mBangkok Airways
Deal found 23/1C$ 308
Sat 22/210:50 p.m.CNX - USM
1 stop8h 35mMultiple Airlines
Sat 1/33:50 p.m.USM - CNX
1 stop5h 25mMultiple Airlines
Deal found 23/1C$ 493

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 629,999 searches. Data last updated 24 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Chiang MaiKoh Samui

CNX - USM

CNXUSM

Chiang Mai

Sat 22/2

7:45 p.m.-7:25 a.m.

1 stop11h 40m

Ko Samui

Sat 1/3

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

Nonstop1h 50m

C$ 454

Chiang MaiKoh Samui

CNX - USM

CNXUSM

Chiang Mai

Sat 22/2

10:50 p.m.-7:25 a.m.

1 stop8h 35m

Ko Samui

Sat 1/3

3:50 p.m.-9:15 p.m.

1 stop5h 25m

C$ 493

Chiang MaiKoh Samui

CNX - USM

CNXUSM

Chiang Mai

Wed 19/2

7:45 p.m.-7:30 a.m.

1 stop11h 45m

C$ 270

Chiang MaiKoh Samui

CNX - USM

CNXUSM

Chiang Mai

Mon 10/2

10:50 p.m.-7:25 a.m.

1 stop8h 35m

C$ 296

Chiang MaiKoh Samui

CNX - USM

CNXUSM

Chiang Mai

Mon 10/2

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

2 stops19h 45m

C$ 935

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/1

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 17 January 2025.

The price you pay for your flight from Chiang Mai to Koh Samui may vary depending on when you book. For the best chance of a lower fare, look to book 34 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 24 January 2025.

When flying from Chiang Mai to Koh 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 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 24 January 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 mm 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 24 January 2025.
Bangkok Airways
8.1
Very good
129 reviews
Check prices

Overall

8.1

Boarding

8.1

Entertainment

6.4

Crew

8.6

Food

7.3

Comfort

8.0

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
Check prices

Overall

8.1

Boarding

8.1

Entertainment

6.4

Crew

8.6

Food

7.3

Comfort

8.0

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
275 reviews
Bangkok Airways
8.1
Very good
129 reviews
Check prices

Overall

8.1

Boarding

8.1

Entertainment

6.4

Crew

8.6

Food

7.3

Comfort

8.0

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 6h 00m.

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

    The Chiang Mai to Ko Samui flight path was viewed by 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Currently priced at C$ 454, 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. Bangkok Airways is priced at 7% lower than the current average price of a flight leaving 3 months from now.

  • 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?

    On average you can expect to pay C$ 400 for a flight from Chiang Mai to Koh Samui. The cheapest flight overall is C$ 391 while the most popular route, (Chiang Mai - Ko Samui) is currently priced at C$ 709.

  • 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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 629,999 searches. Data last updated 24 January 2025.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapestC$ 298AverageC$ 456FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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?

When you search for this flight from Chiang Mai to Koh Samui, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Chiang Mai to Koh Samui for you. Better yet — we are completely free to use.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Chiang Mai to Koh Samui flexibly with Cheapflights today.

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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.