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How to find the cheapest flight from
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
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Cheap flights from Chiang Mai to Koh Samui
Return
Economy
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.
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CNX - USM Price
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฿6,810 - ฿13,091
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USM Temperature
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29 - 33 °C
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USM Rainfall
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50 - 423 mm
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Popular in January High demand for flights, 24% potential price rise |
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Cheapest in May Best time to find cheap flights, 32% potential price drop |
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Round-trip from ฿6,810 From Chiang Mai to Koh Samui |
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One-way from ฿2,612 One-way flight from Chiang Mai to Koh Samui |
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
฿2,613
Agoda.com
17:10 - 07:45
Multiple Airlines
1 stop
14h 35m
CNX - USM
฿2,644
Gotogate
06:10 - 14:25
Bangkok Airways
1 stop
8h 15m
CNX - USM
฿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.
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