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? Stopover? Instantly customise 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.Find the cheapest flights from Chiang Mai to Ko Samui
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
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 typical price of a round-trip flight between Chiang Mai and Ko Samui?
What is the cheapest month to fly to Ko Samui?
The cheapest month to fly to Ko Samui from Chiang Mai is in May. Flight prices, which tend to average around £220, are often lower during this time because this is during the off-season. 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 £232.
What is the cheapest day to depart on your flight to Ko Samui?
According to our data, Wednesday is the cheapest day to fly to Ko Samui from Chiang Mai. The lowest ticket price found for a Wednesday departure recently was £249. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Ko Samui on Monday is £258.
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 £265 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 £169 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 have Chiang Mai to Ko Samui flight prices changed over time?
As of June 2025, prices for Chiang Mai to Ko Samui flights are approximately 0% more expensive when compared to flights at the same time last year.
How many flights depart from Chiang Mai to Ko Samui on average per day?
As of June 2025, 7 flights take off from Chiang Mai and land in Ko Samui each day. The most common flight departure time for this route is 11:00, with 100% of daily flights taking off at midday.
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 | £70 |
|---|---|
Fastest flight time | 1h 45m |
Direct flights | Mon, Thu and Fri |
Airports in Ko Samui | 1 airport |
How far is Chiang Mai to Ko Samui by plane?
A flight from Chiang Mai to Ko Samui will travel around 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 refreshed on a daily basis.
How many operators does momondo search for flights from Chiang Mai Airport to Ko Samui Airport?
The number of operators available for flights from Chiang Mai Airport to Ko Samui Airport is 1 as of June 2025.
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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents required for your trip to Ko Samui Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ko Samui Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
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 this flight route, the most popular airline on flight routes from Chiang Mai to Ko Samui is Bangkok Airways (100% of 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 £140 | Free Cancellation | Rating 7.9 111 reviews |
Bangkok Airways Flights From Chiang Mai to Ko Samui
The lowest priced Bangkok Airways flight from Chiang Mai to Ko Samui from the last 72 hours was £190. Generally, Bangkok Airways has 7 flights on this route every week with an average price of £338. Bangkok Airways is rated 7.9/10 by our users.
Travelling 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?
Finding the right flight to Ko Samui from Chiang Mai is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ko Samui quick and easy, saving you time and money.
Can I find flights from Chiang Mai to Ko Samui with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Ko Samui from Chiang Mai with this policy.
How can momondo help me find flights from Chiang Mai to Ko Samui?
Once you have performed a search for Chiang Mai to Ko Samui flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Chiang Mai to Ko Samui right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Ko Samui, momondo offers a useful price alert feature which will track prices for flights to Ko Samui from Chiang Mai and alert you when they change.