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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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![Bangkok Airways]()
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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 Tuesday or Saturday and return on a Tuesday
How to find the cheapest flight from
Chiang Mai (CNX) to Koh Samui (USM)
|
CNX - USM Price
|
฿ 6,559 - ฿ 12,609
|
|
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 ฿ 6,559 From Chiang Mai to Koh Samui |
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One-way from ฿ 2,606 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 ฿ 7,577. For sooner than that we have options available in the next 3 days from ฿ 7,787.
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 ฿ 4,073.
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 at midday. Doing so could potentially save you 6% on the flight price compared to flying in the afternoon, which is usually more expensive.
Cheap flights from Chiang Mai to Koh Samui in January, February 2021
13 Feb - 20 Feb
฿ 5,720pp
CNX
Chiang Mai
Bangkok Airways
1 STOP
USM
Koh Samui
USM
Koh Samui
Bangkok Airways
1 STOP
CNX
Chiang Mai
17 Feb - 20 Mar
฿ 5,750pp
CNX
Chiang Mai
Bangkok Airways
1 STOP
USM
Koh Samui
USM
Koh Samui
Bangkok Airways
1 STOP
CNX
Chiang Mai
10 Feb - 14 Feb
฿ 6,110pp
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
6 Mar - 12 Mar
฿ 5,631pp
CNX
Chiang Mai
Bangkok Airways
1 STOP
USM
Koh Samui
USM
Koh Samui
Bangkok Airways
1 STOP
CNX
Chiang Mai
10 Mar - 17 Mar
฿ 5,690pp
CNX
Chiang Mai
Bangkok Airways
1 STOP
USM
Koh Samui
USM
Koh Samui
Bangkok Airways
1 STOP
CNX
Chiang Mai
13 Feb - 20 Feb
฿ 5,720pp
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
05:10 - 12:40
Bangkok Airways
1 stop
7h 30m
CNX - USM
฿ 2,606
mytrip.com
06:10 - 13:40
Bangkok Airways
1 stop
7h 30m
CNX - USM
฿ 2,666
mytrip.com
05:10 - 09:45
Bangkok Airways
1 stop
4h 35m
CNX - USM
฿ 2,696
Gotogate
Related info for your journey
Alternative routes for Chiang Mai to Koh Samui
Khon Kaen to Chiang Mai
from ฿ 1,618 pp
Hat Yai to Chiang Rai
from ฿ 1,887 pp
Chiang Rai to Krabi
from ฿ 2,995 pp
Krabi to Chiang Rai
from ฿ 3,235 pp
Chiang Mai to Chiang Rai
from ฿ 3,295 pp
Destination information for Koh Samui
Average temperature for January in Koh Samui
29.0 °C
Avg rainfall for January in Koh Samui
71.0 mm