Cheap flights from Chiang Mai to Koh Samui

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Chiang Mai (CNX)
Koh Samui (USM)
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Any month
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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
฿219 - ฿421
USM
Temperature
27 - 29 °C
USM
Precipitation
58 - 490 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

฿7,305

From Chiang Mai to Koh Samui

One-way from

฿2,568

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?

Wednesday flights are generally found to be more expensive for flights from Chiang Mai to Koh Samui. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Koh Samui.

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

The best pricing can be found in the month of May. Prices to Koh Samui from Chiang Mai average ฿10,673. You can even find prices in May for less than ฿10,673, as users have found deals to Koh Samui from as low as ฿7,305. The month of January appears to be one of the more expensive times to travel to Koh Samui from Chiang Mai. Flying in the targeted month can save you up to 31%.

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

A simple way to save on the total cost of your ticket is to fly from Chiang Mai to Koh Samui in the morning. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight at midday.

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 48 days in advance, which can save you up to 43% on flights from Chiang Mai to Koh Samui compared to booking the week you need them. Waiting 48 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 ฿11,607. For sooner than that we have options available in the next 3 days from ฿13,542.

Cheap flights from Chiang Mai to Koh Samui in October, November 2021

The best prices found for CNX to USM flights in October, November
20 Oct - 1 Nov
฿6,904pp
CNX
Chiang Mai
Bangkok Airways
 
1 STOP
USM
Koh Samui
USM
Koh Samui
Bangkok Airways
 
1 STOP
CNX
Chiang Mai
22 Oct - 30 Oct
฿7,405pp
CNX
Chiang Mai
Multiple airlines
 
1 STOP
USM
Koh Samui
USM
Koh Samui
Multiple Airlines
 
1 STOP
CNX
Chiang Mai
20 Oct - 30 Oct
฿7,872pp
CNX
Chiang Mai
Bangkok Airways
 
1 STOP
USM
Koh Samui
USM
Koh Samui
Bangkok Airways
 
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
5 Dec - 7 Dec
฿4,770pp
CNX
Chiang Mai
Bangkok Airways
 
1 STOP
USM
Koh Samui
USM
Koh Samui
Bangkok Airways
 
1 STOP
CNX
Chiang Mai
20 Oct - 1 Nov
฿6,904pp
CNX
Chiang Mai
Bangkok Airways
 
1 STOP
USM
Koh Samui
USM
Koh Samui
Bangkok Airways
 
1 STOP
CNX
Chiang Mai
14 Dec - 28 Dec
฿7,338pp
CNX
Chiang Mai
Multiple airlines
 
1 STOP
USM
Koh Samui
USM
Koh Samui
Multiple Airlines
 
1 STOP
CNX
Chiang Mai

Last-minute flights from Chiang Mai to Koh Samui

Late deals on return flights to Koh Samui from Chiang Mai, departing today and this week
23 Oct - 1 Nov
฿6,904pp
CNX
Chiang Mai
Bangkok Airways
 
1 STOP
USM
Koh Samui
USM
Koh Samui
Bangkok Airways
 
1 STOP
CNX
Chiang Mai
23 Oct - 30 Oct
฿7,872pp
CNX
Chiang Mai
Bangkok Airways
 
1 STOP
USM
Koh Samui
USM
Koh Samui
Bangkok Airways
 
1 STOP
CNX
Chiang Mai
24 Oct - 1 Nov
฿7,972pp
CNX
Chiang Mai
Bangkok Airways
 
1 STOP
USM
Koh Samui
USM
Koh Samui
Bangkok Airways
 
1 STOP
CNX
Chiang Mai

One-way flights to Ko Samui from Chiang Mai

The cheapest one-way flights from Chiang Mai to Koh Samui
05:10 - 09:55
Bangkok Airways
1 stop
4h 45m
CNX - USM
Bangkok Airways
฿2,568
mytrip.com
09:35 - 14:35
Bangkok Airways
1 stop
5h 00m
CNX - USM
Bangkok Airways
฿2,602
mytrip.com
09:35 - 14:35
Bangkok Airways
1 stop
5h 00m
CNX - USM
Bangkok Airways
฿2,635
mytrip.com

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

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.

Can I find flights from Chiang Mai to Koh Samui for under ฿4,800 on Cheapflights?

Yes, there are multiple flights from Chiang Mai to Koh Samui for under ฿4,800. The cheapest flight booked recently is on Bangkok Airways for just ฿4,770, but on average you can expect to pay ฿8,939.

Are there last-minute flights available from Chiang Mai to Koh Samui for under ฿7,000?

There are currently 10+ open flights from Chiang Mai to Koh Samui within the next 7 days for less than ฿7,000.

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

Flights from Chiang Mai to Koh Samui have been viewed 83 times in the past calendar month.

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

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 ฿4,770 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 cheapest flights from Chiang Mai to Koh Samui?

The cheapest flight price from Chiang Mai to Koh Samui is ฿2,766. On average you can expect to pay ฿8,022. The most popular route, (Chiang Mai - Koh Samui), can usually be booked for ฿5,804.

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 October in Koh Samui
30.0 °C
Avg rainfall for October in Koh Samui
306.0 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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