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Cheap flights from Chiang Mai to Ko Samui from $71

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 5/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chiang Mai to Ko Samui

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Chiang Mai to Ko Samui.
Bangkok Airways Logo
8:00 pm - 7:20 amCNX-USM
11h 20m1 stop
Bangkok Airways Logo
8:55 am - 10:40 amUSM-CNX
1h 45mnonstop
$191Bangkok Airways
Find Deal
Thu, Jun 12 - Fri, Jun 20
 Logo
10:20 pm - 7:20 amCNX-USM
9h 00m1 stop
 Logo
8:55 am - 10:40 amUSM-CNX
1h 45mnonstop
Mon, May 12 - Fri, May 16
Bangkok Airways Logo
8:00 pm - 7:20 amCNX-USM
11h 20m1 stop
Bangkok Airways Logo
9:30 am - 1:45 pmUSM-CNX
4h 15m1 stop
$205Bangkok Airways
Find Deal
Wed, May 14 - Wed, May 21
Bangkok Airways Logo
8:00 pm - 7:20 amCNX-USM
11h 20m1 stop
Bangkok Airways Logo
8:45 am - 1:45 pmUSM-CNX
5h 00m1 stop
$208Bangkok Airways
Find Deal
Fri, May 16 - Fri, May 23
Bangkok Airways Logo
10:10 am - 3:10 pmCNX-USM
5h 00m1 stop
Bangkok Airways Logo
8:55 am - 10:40 amUSM-CNX
1h 45mnonstop
$209Bangkok Airways
Find Deal
Tue, Jun 10 - Fri, Jun 20
Bangkok Airways Logo
10:10 am - 3:10 pmCNX-USM
5h 00m1 stop
Bangkok Airways Logo
8:55 am - 10:40 amUSM-CNX
1h 45mnonstop
$212Bangkok Airways
Find Deal
Tue, Jun 10 - Thu, Jun 19
 Logo
10:20 pm - 7:20 amCNX-USM
9h 00m1 stop
 Logo
8:55 am - 10:40 amUSM-CNX
1h 45mnonstop
Thu, Jun 12 - Wed, Jun 18
Bangkok Airways Logo
2:35 pm - 6:30 pmCNX-USM
3h 55m1 stop
Bangkok Airways Logo
8:55 am - 10:40 amUSM-CNX
1h 45mnonstop
$227Bangkok Airways
Find Deal
Fri, Jun 13 - Tue, Jun 17
Bangkok Airways Logo
8:00 pm - 7:20 amCNX-USM
11h 20m1 stop
Bangkok Airways Logo
8:55 am - 10:40 amUSM-CNX
1h 45mnonstop
$230Bangkok Airways
Find Deal
Fri, May 16 - Fri, May 23
Bangkok Airways Logo
10:10 am - 3:10 pmCNX-USM
5h 00m1 stop
Bangkok Airways Logo
8:55 am - 10:40 amUSM-CNX
1h 45mnonstop
$231Bangkok Airways
Find Deal
Tue, Jun 10 - Wed, Jun 18

Bangkok Airways flights from Chiang Mai to Ko Samui

Our best Bangkok Airways deals on Chiang Mai to Ko Samui flight tickets
Bangkok Airways
Jun 12
CNX8:00 pmChiang Mai
11h 20m
1 stop
USM7:20 amKo Samui
Jun 20
USM8:55 amKo Samui
1h 45m
CNX10:40 amChiang Mai
Bangkok Airways
May 14
CNX8:00 pmChiang Mai
11h 20m
1 stop
USM7:20 amKo Samui
May 21
USM9:30 amKo Samui
4h 15m
1 stop
CNX1:45 pmChiang Mai
Bangkok Airways
May 16
CNX8:00 pmChiang Mai
11h 20m
1 stop
USM7:20 amKo Samui
May 23
USM8:45 amKo Samui
5h 00m
1 stop
CNX1:45 pmChiang Mai

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?

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 $283. If you don’t want to visit Ko Samui in May, then you should wait until July to fly from Chiang Mai, when ticket prices are also cheap, with an average price of $289.

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 $370. Flights from Chiang Mai to Ko Samui on a Tuesday will generally be more expensive and average around $426. 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 $382 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 23 weeks ahead of your departure date. In general, you can expect to find flights to Ko Samui for around $346 when searching 23 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 $193 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 April 2025, prices for Chiang Mai to Ko Samui flights are approximately 15% 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

Best Price Found

$71

Fastest flight time

1h 45m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

Airports in Ko Samui

1 airport
The best one-way flight to Ko Samui from Chiang Mai in the past 72 hours is $71. The best round-trip flight deal from Chiang Mai to Ko Samui found on momondo in the last 72 hours is $191.
The fastest flight from Chiang Mai to Ko Samui takes 1h 45m
Direct flights go from Chiang Mai to Ko Samui on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. The only airline offering direct flights is Bangkok Airways.
There is 1 airport near Ko Samui: Ko Samui (USM)

  • 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?

  • 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?

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


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
Bangkok AirwaysPriceFrom $170Free CancellationRating
7.9
109 reviews
Search Bangkok Airways flights
  • Bangkok Airways Flights From Chiang Mai to Ko Samui

    Bangkok Airways flight deals from Chiang Mai to Ko Samui start from $170 round-trip. Over the 5 Bangkok Airways flights for this route in a normal week, average airfare is usually $344 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 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?

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.


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