Cheap flights from Chiang Mai to Koh Samui

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Chiang Mai (CNX)
Koh Samui (USM)
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The best prices from Chiang Mai to Koh Samui are usually found in May or November, booked 47 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

How to find the cheapest flight from
Chiang Mai (CNX) to Koh Samui (USM)

All the information you need to plan the best CNX to USM flight in 2021: compare Chiang Mai to Koh Samui flight prices with the expected peak season, weather and rainfall in Koh Samui.
CNX - USM
Price
฿6,810 - ฿13,091
USM
Temperature
29 - 33 °C
USM
Rainfall
50 - 423 mm

Popular in

January

High demand for flights, 24% potential price rise

Cheapest in

May

Best time to find cheap flights, 32% potential price drop

Round-trip from

฿6,810

From Chiang Mai to Koh Samui

One-way from

฿2,612

One-way flight from Chiang Mai to Koh Samui

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly return from Chiang Mai to Koh Samui?

Users have found that flying from Chiang Mai to Koh Samui on a Wednesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 9% on flights from Chiang Mai to Koh Samui compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at ฿7,867. For sooner than that we have options available in the next 3 days from ฿8,085.

What is the cheapest month to fly from Chiang Mai to Koh Samui?

Flights from Chiang Mai to Koh Samui lean towards being more expensive in January. Prices are generally better when you fly from Chiang Mai to Koh Samui in May, with the cheapest ticket starting at ฿4,229.

When is the cheapest time to fly from Chiang Mai to Koh Samui (CNX - USM)?

It’s typically best to fly out from Chiang Mai to Koh Samui in the morning. Doing so could potentially save you 23% on the flight price compared to flying at midday, which is usually more expensive.

Cheap flights from Chiang Mai to Koh Samui in April, May 2021

The best prices found for CNX to USM flights in April, May
16 Apr - 18 Apr
฿6,033pp
CNX
Chiang Mai
Multiple airlines
 
1 STOP
USM
Koh Samui
USM
Koh Samui
Multiple Airlines
 
1 STOP
CNX
Chiang Mai

Chiang Mai to Koh Samui 2021 flight deals

Cheap flights to Koh Samui from Chiang Mai found for this year
6 Dec - 11 Dec
฿5,628pp
CNX
Chiang Mai
Bangkok Airways
Direct
USM
Koh Samui
USM
Koh Samui
Bangkok Airways
Direct
CNX
Chiang Mai
16 Apr - 18 Apr
฿6,033pp
CNX
Chiang Mai
Multiple airlines
 
1 STOP
USM
Koh Samui
USM
Koh Samui
Multiple Airlines
 
1 STOP
CNX
Chiang Mai
30 Sep - 3 Oct
฿6,966pp
CNX
Chiang Mai
Bangkok Airways
 
1 STOP
USM
Koh Samui
USM
Koh Samui
Bangkok Airways
 
1 STOP
CNX
Chiang Mai

One-way flights to Koh Samui from Chiang Mai

The cheapest one-way flights from Chiang Mai to Koh Samui
06:10 - 11:30
Bangkok Airways
1 stop
5h 20m
CNX - USM
Bangkok Airways
฿2,613
Agoda.com
17:10 - 07:45
Multiple Airlines
1 stop
14h 35m
CNX - USM
Multiple Airlines
฿2,644
Gotogate
06:10 - 14:25
Bangkok Airways
1 stop
8h 15m
CNX - USM
Bangkok Airways
฿2,706
Gotogate

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Chiang Mai</span> to <span class="emphasized">Koh Samui</span> flights.

Flight FAQs

From Chiang Mai to Koh Samui

Can I find flights from Chiang Mai to Koh Samui for under ฿9,329 on Cheapflights?

Yes, there are multiple flights from Chiang Mai to Koh Samui for under ฿9,329. The cheapest flight booked recently is on Bangkok Airways for just ฿6,966, but on average you can expect to pay ฿12,221.

Which airlines flying from Chiang Mai to Koh Samui have flexible changes due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Bangkok Airways flying from Chiang Mai to Koh Samui have implemented new flexible change policies.

Are there direct flights from Chiang Mai to Koh Samui for under ฿6,219 on Cheapflights?

There are no direct flights from Chiang Mai to Koh Samui, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

How popular is this flight route?

This flight path from Chiang Mai to Koh Samui was viewed by 83 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Does it rain more in Chiang Mai or Koh Samui?

Chiang Mai will have the same amount of rainfall in 1 compared to Koh Samui over the next 9 days.

Is Chiang Mai weather warmer or cooler than Koh Samui?

We forecast the temperature to be around the 37 °Cs in April, on average. The temperature in Koh Samui is generally colder than in Chiang Mai. Book flights in a timely manner in correlation to your departure date.

How long does is the flight from Chiang Mai to Koh Samui?

Departing from Chiang Mai to Koh Samui will take you 7h 25m.

What is the cheapest airline to fly from Chiang Mai to Koh Samui return?

Cheapflights users have booked flights from Chiang Mai to Koh Samui from ฿6,966 return. You may be able to fly from Chiang Mai to Koh Samui for 30% less than the average price by searching for this airline.

What are the cheapest airlines to fly from Chiang Mai to Koh Samui one-way?

One-way options have recently been found by users for as low as ฿2,613 on Bangkok Airways.

Destination information for Koh Samui

Things to know before you go - useful duration and weather info for your trip from Chiang Mai to Koh Samui.
Average temperature for April in Koh Samui
32.0 °C
Avg rainfall for April in Koh Samui
73.0 mm

Airports servicing Chiang Mai

Airports servicing Koh Samui

Popular flight searches

Check out other popular destinations found by fellow travellers in 2021.
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