Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Chiang Mai to Ko Samui from C$ 198

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chiang Mai to Ko Samui departing on 27/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Chiang Mai to Ko Samui (CNX-USM)

Cheap round-trip flights

Bangkok Airways Logo
2:35 p.m. - 8:30 p.m.CNX-USM
5h 55m1 stop
Bangkok Airways Logo
8:50 a.m. - 10:40 a.m.USM-CNX
1h 50mdirect
C$ 449Bangkok Airways
Find Deal
Fri, 24 Oct - Fri, 31 Oct
Bangkok Airways Logo
2:35 p.m. - 8:30 p.m.CNX-USM
5h 55m1 stop
Bangkok Airways Logo
8:50 a.m. - 10:40 a.m.USM-CNX
1h 50mdirect
C$ 451Bangkok Airways
Find Deal
Fri, 24 Oct - Fri, 31 Oct
Bangkok Airways Logo
11:35 a.m. - 1:20 p.m.CNX-USM
1h 45mdirect
Bangkok Airways Logo
8:55 a.m. - 10:40 a.m.USM-CNX
1h 45mdirect
C$ 590Bangkok Airways
Find Deal
Sun, 21 Sep - Thu, 25 Sep
Logo
8:00 p.m. - 6:35 p.m.CNX-USM
22h 35m2 stops
Logo
10:55 a.m. - 9:20 a.m.USM-CNX
22h 25m2 stops
C$ 3,786
Find Deal
Mon, 22 Sep - Wed, 24 Sep

Bangkok Airways flights from Chiang Mai to Ko Samui

Our best Bangkok Airways deals on Chiang Mai to Ko Samui flight tickets
Bangkok Airways
24 Oct
CNX2:35 p.m.Chiang Mai
5h 55m
1 stop
USM8:30 p.m.Ko Samui
31 Oct
USM8:50 a.m.Ko Samui
1h 50m
CNX10:40 a.m.Chiang Mai
C$ 449
Find similar
Bangkok Airways
24 Oct
CNX2:35 p.m.Chiang Mai
5h 55m
1 stop
USM8:30 p.m.Ko Samui
31 Oct
USM8:50 a.m.Ko Samui
1h 50m
CNX10:40 a.m.Chiang Mai
C$ 451
Find similar
Bangkok Airways
21 Sep
CNX11:35 a.m.Chiang Mai
1h 45m
USM1:20 p.m.Ko Samui
25 Sep
USM8:55 a.m.Ko Samui
1h 45m
CNX10:40 a.m.Chiang Mai
C$ 590
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chiang Mai to Ko 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, momondo users made 96,600 searches. Data last updated 31 August 2025.
Use the filters below to find and compare flights from Chiang Mai to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Fri 24/10

2:35 p.m.-8:30 p.m.

1 stop5h 55m

Ko Samui

Fri 31/10

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

Nonstop1h 50m

C$ 449

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Fri 24/10

2:35 p.m.-8:30 p.m.

1 stop5h 55m

Ko Samui

Fri 31/10

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

Nonstop1h 50m

C$ 451

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Sun 21/9

11:35 a.m.-1:20 p.m.

Nonstop1h 45m

Ko Samui

Thu 25/9

8:55 a.m.-10:40 a.m.

Nonstop1h 45m

C$ 590

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Mon 22/9

8:00 p.m.-6:35 p.m.

2 stops22h 35m

Ko Samui

Wed 24/9

10:55 a.m.-9:20 a.m.

2 stops22h 25m

C$ 3,786

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Thu 27/11

11:30 a.m.-1:15 p.m.

Nonstop1h 45m

C$ 198

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Tue 16/9

10:10 a.m.-9:35 p.m.

1 stop11h 25m

C$ 203

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Sat 22/11

7:45 p.m.-7:10 a.m.

1 stop11h 25m

C$ 206

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Tue 16/12

10:10 a.m.-8:10 a.m.

1 stop22h 00m

C$ 209

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Wed 28/1

12:10 p.m.-9:20 p.m.

1 stop9h 10m

C$ 213

Chiang MaiKo Samui

CNX - USM

CNXUSM

Chiang Mai

Wed 3/12

7:45 p.m.-6:55 p.m.

1 stop23h 10m

C$ 217

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

See travel insights to Ko Samui from

How to get the cheapest flight ticket from Chiang Mai to Ko Samui

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ko Samui?

The month of May is, on average, the cheapest month to fly to Ko Samui from Chiang Mai, with most prices found around C$ 411. If you aren’t able to travel to Ko Samui during the month of May, then flying in September is also cheap. Prices for this month can be found on momondo for an average of C$ 440.

What is the cheapest Chiang Mai to Ko Samui flight route?

Fly from Chiang Mai to Ko Samui for the best Chiang Mai - Ko Samui flight prices

How far in advance should I book a flight to Ko Samui?

You are more likely to see cheaper flights to Ko Samui from Chiang Mai when booking weeks ahead of your departure date. In general, you can expect to find flights to Ko Samui for around C$ 508 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ko Samui from Chiang Mai for as low as C$ 220 on momondo.

What cabin class options are available on Chiang Mai to Ko Samui flights?

There is only 1 cabin class available to choose from on Chiang Mai to Ko Samui flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chiang Mai to Ko Samui flights?

You could potentially save up to 51% on your flight if you consider stops on a Chiang Mai to Ko Samui flight.

How have Chiang Mai to Ko Samui flight prices changed over time?

As of August 2025, prices for Chiang Mai to Ko Samui flights are approximately 47% more expensive when compared to flights at the same time last year.

When to book flights from Chiang Mai to Ko Samui

Are you open to changing your travel dates? Check out the ideal times to fly from Chiang Mai to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chiang Mai to Ko Samui (CNX to USM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chiang Mai to Ko Samui

Fastest flight time

1h 45m

Direct flights

Every day

Airports in Ko Samui

1 airport
The fastest flight from Chiang Mai to Ko Samui takes 1h 45m
Direct flights go from Chiang Mai to Ko Samui every day.
There is 1 airport near Ko Samui: Ko Samui (USM)
Search flight deals

  • How far is Chiang Mai to Ko Samui by plane?

    A flight from Chiang Mai to Ko Samui will travel around 1035.9 km. A reasonable flight in good conditions will take 1h 45m.

  • When did momondo last update prices for flights from Chiang Mai Airport to Ko Samui Airport?

    Prices for flights from Chiang Mai Airport to Ko Samui Airport were last updated today.

  • How old do you have to be to fly from Chiang Mai Airport to Ko Samui Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chiang Mai Airport to Ko Samui Airport.

  • What documentation or ID do you need to fly to Ko Samui Airport?

    The necessary travel and health documents for your Ko Samui Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chiang Mai to Ko Samui?

Travelling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao
Khanom

Why use momondo?

Why should I use momondo to find a flight deal from Chiang Mai to Ko Samui?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ko Samui from Chiang Mai.

Can I find flights from Chiang Mai to Ko Samui with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Chiang Mai to Ko Samui flights to just show those with flexible booking policies.

How can momondo help me find flights from Chiang Mai to Ko Samui?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ko Samui from Chiang Mai.

I’m not ready to book a flight from Chiang Mai to Ko Samui right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Chiang Mai to Ko Samui flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Ko Samui trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 5/9
Fri 12/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Thailand