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Not ready to book? to track prices.Find the cheapest flights from Chiang Mai to Ko Samui
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Bangkok Airways flights from Chiang Mai to Ko Samui
Our best Bangkok Airways deals on Chiang Mai to Ko Samui flight tickets
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?
In general, May is the cheapest month to fly from Chiang Mai to Ko Samui. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $299. If you don’t want to visit Ko Samui in May, then you should wait until September to fly from Chiang Mai, when ticket prices are also cheap, with an average price of $315.
What is the cheapest day to depart on your flight to Ko Samui?
Our data shows that Friday is the least expensive day to fly to Ko Samui. Tickets to fly out on this day can be as low as $371. Flights from Chiang Mai to Ko Samui on a Tuesday will generally be more expensive and average around $430. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Ko Samui?
Our data shows that the cheapest Chiang Mai to Ko Samui flights are usually those with departure times at noon. Our users have found flights to Ko Samui at noon for as low as $313. In the morning is when there is more demand to fly to Ko Samui, so prices are often more expensive at around $385 per ticket.
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 16 weeks ahead of your departure date. In general, you can expect to find flights to Ko Samui for around $360 when searching 16 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 $230 on momondo.
What cabin class options are available on Chiang Mai to Ko Samui flights?
There are 1 cabin classes 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.
How many flights depart from Chiang Mai to Ko Samui on average per day?
7 flights are operational daily from Chiang Mai to Ko Samui as of June 2025. The most popular departure time for this route is 11:00AM, with 100% of flights per day taking off at noon.
How many flights depart from Chiang Mai to Ko Samui on average per week?
As of June 2025, there are 49 flights per week flying from Chiang Mai to Ko Samui. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.
When to book flights from Chiang Mai to Ko Samui
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
Best Price Found | $85 |
|---|---|
Fastest flight time | 1h 45m |
Direct flights | Mon, Tue, Wed, Thu, Fri and Sat |
Airports in Ko Samui | 1 airport |
How far is Chiang Mai to Ko Samui by plane?
The distance between Chiang Mai and Ko Samui is about 643.7 mi. In terms of flight time, this usually takes a little over 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 are updated daily.
How many operators does momondo search for flights from Chiang Mai Airport to Ko Samui Airport?
As of June 2025, there is 1 operator available to choose from for flights from Chiang Mai Airport to Ko Samui Airport.
How old do you have to be to fly from Chiang Mai Airport to Ko Samui Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 required travel and health documents for your Ko Samui Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ko Samui Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Chiang Mai to Ko Samui?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chiang Mai to Ko Samui is Airbus A319 (92.59% of total bookings). The next most popular plane model is Airbus A320-100/200 (7.41%).
What is the most popular airline from Chiang Mai to Ko Samui?
Based on momondo bookings for flights between Chiang Mai and Ko Samui, the leading airline is Bangkok Airways, making up 100% of the total bookings.
Best airlines flying from Chiang Mai to Ko Samui
Compare and see reviews for airlines that fly from Chiang Mai to Ko Samui with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $186 | Free Cancellation | Rating 7.9 111 reviews |
Bangkok Airways Flights From Chiang Mai to Ko Samui
Bangkok Airways flight deals from Chiang Mai to Ko Samui start from $186 round-trip. Over the 7 Bangkok Airways flights for this route in a normal week, average airfare is usually $368 round-trip - but some users have found much cheaper deals with momondo.
Traveling to a place near Ko Samui?
Book flights to Ko Samui if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Chiang Mai to Ko Samui?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chiang Mai to Ko Samui. momondo saves you time and could save you money on your trip.
Can I find flights from Chiang Mai to Ko Samui with flexible booking policies on momondo?
Yes. All flights to Ko Samui from Chiang Mai on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Chiang Mai to Ko Samui?
Once all potential Chiang Mai to Ko Samui flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
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.