Cheap Flights from Koh Samui (USM) to Chiang Mai (CNX)

Compare Samui International to Chiang Mai flight deals

Find the cheapest month or even day of the year to fly to Chiang Mai

Book the best Chiang Mai fare with no extra fees

Flight deals from Samui International to Chiang Mai

Looking for a cheap last-minute deal or the best return flight from Samui International Airport to Chiang Mai Airport? If you want to travel next month, return fares start from $448. Find the lowest prices on one-way and return tickets right here.

Chiang Mai.$253 per passenger.Departing Sat, 1 May, returning Sat, 8 May.Return flight with Bangkok Airways.Outbound direct flight with Bangkok Airways departs from Samui International on Sat, 1 May, arriving in Chiang Mai.Inbound direct flight with Bangkok Airways departs from Chiang Mai on Sat, 8 May, arriving in Samui International.Price includes taxes and charges.From $253, select.

Chiang Mai.$284 per passenger.Departing Wed, 9 Sep, returning Wed, 16 Sep.Return flight with Bangkok Airways and Thai VietJet Air.Outbound indirect flight with Bangkok Airways, departs from Samui International on Wed, 9 Sep, arriving in Chiang Mai.Inbound indirect flight with Thai VietJet Air, departs from Chiang Mai on Wed, 16 Sep, arriving in Samui International.Price includes taxes and charges.From $284, select.

Chiang Mai.$306 per passenger.Departing Thu, 25 Feb, returning Tue, 2 Mar.Return flight with Bangkok Airways.Outbound indirect flight with Bangkok Airways, departs from Samui International on Thu, 25 Feb, arriving in Chiang Mai.Inbound indirect flight with Bangkok Airways, departs from Chiang Mai on Tue, 2 Mar, arriving in Samui International.Price includes taxes and charges.From $306, select.

Chiang Mai.$308 per passenger.Departing Tue, 9 Mar, returning Wed, 17 Mar.Return flight with Bangkok Airways.Outbound indirect flight with Bangkok Airways, departs from Samui International on Tue, 9 Mar, arriving in Chiang Mai.Inbound indirect flight with Bangkok Airways, departs from Chiang Mai on Wed, 17 Mar, arriving in Samui International.Price includes taxes and charges.From $308, select.

Chiang Mai.$314 per passenger.Departing Mon, 21 Dec, returning Wed, 6 Jan.Return flight with Bangkok Airways and Thai AirAsia.Outbound indirect flight with Bangkok Airways, departs from Samui International on Mon, 21 Dec, arriving in Chiang Mai.Inbound indirect flight with Thai AirAsia, departs from Chiang Mai on Wed, 6 Jan, arriving in Samui International.Price includes taxes and charges.From $314, select.

Chiang Mai.$323 per passenger.Departing Sat, 7 Nov, returning Tue, 10 Nov.Return flight with Bangkok Airways and Nok Air.Outbound indirect flight with Bangkok Airways, departs from Samui International on Sat, 7 Nov, arriving in Chiang Mai.Inbound indirect flight with Nok Air, departs from Chiang Mai on Tue, 10 Nov, arriving in Samui International.Price includes taxes and charges.From $323, select.

Chiang Mai.$323 per passenger.Departing Fri, 2 Oct, returning Sat, 17 Oct.Return flight with Bangkok Airways and Thai VietJet Air.Outbound indirect flight with Bangkok Airways, departs from Samui International on Fri, 2 Oct, arriving in Chiang Mai.Inbound indirect flight with Thai VietJet Air, departs from Chiang Mai on Sat, 17 Oct, arriving in Samui International.Price includes taxes and charges.From $323, select.

Chiang Mai.$328 per passenger.Departing Fri, 25 Sep, returning Sat, 31 Oct.Return flight with Bangkok Airways and Thai AirAsia.Outbound indirect flight with Bangkok Airways, departs from Samui International on Fri, 25 Sep, arriving in Chiang Mai.Inbound indirect flight with Thai AirAsia, departs from Chiang Mai on Sat, 31 Oct, arriving in Samui International.Price includes taxes and charges.From $328, select.

Chiang Mai.$357 per passenger.Departing Mon, 9 Nov, returning Mon, 16 Nov.Return flight with Bangkok Airways.Outbound direct flight with Bangkok Airways departs from Samui International on Mon, 9 Nov, arriving in Chiang Mai.Inbound direct flight with Bangkok Airways departs from Chiang Mai on Mon, 16 Nov, arriving in Samui International.Price includes taxes and charges.From $357, select.

Chiang Mai.$360 per passenger.Departing Mon, 18 Jan, returning Mon, 25 Jan.Return flight with Bangkok Airways and Thai AirAsia.Outbound indirect flight with Bangkok Airways, departs from Samui International on Mon, 18 Jan, arriving in Chiang Mai.Inbound indirect flight with Thai AirAsia, departs from Chiang Mai on Mon, 25 Jan, arriving in Samui International.Price includes taxes and charges.From $360, select.

Chiang Mai.$372 per passenger.Departing Wed, 28 Oct, returning Wed, 4 Nov.Return flight with Bangkok Airways and Nok Air.Outbound indirect flight with Bangkok Airways, departs from Samui International on Wed, 28 Oct, arriving in Chiang Mai.Inbound indirect flight with Nok Air, departs from Chiang Mai on Wed, 4 Nov, arriving in Samui International.Price includes taxes and charges.From $372, select.

Chiang Mai.$384 per passenger.Departing Fri, 5 Feb, returning Mon, 8 Feb.Return flight with Bangkok Airways.Outbound indirect flight with Bangkok Airways, departs from Samui International on Fri, 5 Feb, arriving in Chiang Mai.Inbound indirect flight with Bangkok Airways, departs from Chiang Mai on Mon, 8 Feb, arriving in Samui International.Price includes taxes and charges.From $384, select.

Chiang Mai.$403 per passenger.Departing Mon, 21 Jun, returning Mon, 28 Jun.Return flight with Bangkok Airways.Outbound indirect flight with Bangkok Airways, departs from Samui International on Mon, 21 Jun, arriving in Chiang Mai.Inbound indirect flight with Bangkok Airways, departs from Chiang Mai on Mon, 28 Jun, arriving in Samui International.Price includes taxes and charges.From $403, select.

Chiang Mai.$406 per passenger.Departing Wed, 28 Oct, returning Wed, 4 Nov.Return flight with Bangkok Airways.Outbound direct flight with Bangkok Airways departs from Samui International on Wed, 28 Oct, arriving in Chiang Mai.Inbound direct flight with Bangkok Airways departs from Chiang Mai on Wed, 4 Nov, arriving in Samui International.Price includes taxes and charges.From $406, select.

Chiang Mai.$427 per passenger.Departing Wed, 26 Aug, returning Wed, 2 Sep.Return flight with Bangkok Airways and Thai VietJet Air.Outbound indirect flight with Bangkok Airways, departs from Samui International on Wed, 26 Aug, arriving in Chiang Mai.Inbound indirect flight with Thai VietJet Air, departs from Chiang Mai on Wed, 2 Sep, arriving in Samui International.Price includes taxes and charges.From $427, select.

Chiang Mai.$448 per passenger.Departing Wed, 26 Aug, returning Sat, 29 Aug.Return flight with Bangkok Airways.Outbound indirect flight with Bangkok Airways, departs from Samui International on Wed, 26 Aug, arriving in Chiang Mai.Inbound indirect flight with Bangkok Airways, departs from Chiang Mai on Sat, 29 Aug, arriving in Samui International.Price includes taxes and charges.From $448, select.

Find the cheapest month to fly from Samui International to Chiang Mai

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Samui International to Chiang Mai flights are currently cheapest in May.

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Direct flights from Samui International to Chiang Mai

Samui International to Chiang Mai: Alternative routes

Compare routes from Samui International to Chiang Mai below. You may find an airport to fly into that's cheaper, faster, or easier than Chiang Mai.

Chiang Mai

4km from central Chiang Mai

ClosestCheapest

from $253

Search flights

Lampang

79km from central Chiang Mai

from $805

Search flights

Koh Samui to Chiang Mai: Flight information

The things to know before you go.

Cheapest flight found	$253
Cheapest month to fly	May
Average flight time	1 hr, 47 mins
Most popular airline	Thai Airways
Average flights per week	30

Finding cheap flights from Samui International to Chiang Mai: Frequently asked questions

How much are return flights from Samui International to Chiang Mai?

The best price we found for a return flight from Samui International to Chiang Mai is $253. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Samui International to Chiang Mai?

1 hour and 47 minutes is the average flight time from Samui International to Chiang Mai.

Which airlines fly direct from Samui International to Chiang Mai?

Thai Airways, Bangkok Airways and EVA Air fly direct from Samui International to Chiang Mai.

How many flights are there a week from Samui International to Chiang Mai?

As of July 2026, there are 30 flights per week flying from Samui International to Chiang Mai.

When is the cheapest time to fly from Samui International to Chiang Mai?

The cheapest month to fly from Samui International to Chiang Mai is usually May.

Which upcoming date is cheapest to fly from Samui International Airport to Chiang Mai Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Samui International Airport to Chiang Mai Airport on Saturday, 1 May 2027.

Can I get a direct flight from Samui International Airport to Chiang Mai Airport?

Yes – the average flight time is 1 hour and 47 minutes.

How can I find the best flight deal to Chiang Mai?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chiang Mai but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Chiang Mai?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chiang Mai is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Samui International Airport to Chiang Mai with?

Currently, Bangkok Airways offers the cheapest flight tickets to Chiang Mai.

Travelling from Samui International Airport (USM) to Chiang Mai Airport (CNX): what you need to know

Around 1 hour 45 minutes is how long you can expect to be travelling on a direct flight from Samui International Airport to Chiang Mai Airport.
Chiang Mai's timezone is UTC+7, which is the same as Koh Samui.
Each week, there are seven Samui International Airport to Chiang Mai Airport flights. If you prefer to jet off as early as possible, take the 08:50 Bangkok Airways flight. If you're eager to make the most of your day before flying, the latest flight is at 08:55 with Bangkok Airways.
Your USM to CNX flight won't wait if you're running late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.
During popular months like December, it's a good idea to get to the airport earlier than normal. Arrive two hours before a domestic departure and four hours ahead for an international flight when you fly during a peak period in general.
Bangkok Airways offers direct flights from Samui International Airport to Chiang Mai Airport. Book with this popular airline, then get ready to see the sights in Chiang Mai — and maybe even more of Thailand if you have time.
Bangkok Airways is the top choice for travellers on this route.
Bangkok Airways is the most punctual carrier that offers USM to CNX flights. A dependable 96.72% of its departures on this route arrive as scheduled.

How to find the cheapest flights from Samui International Airport (USM) to Chiang Mai Airport (CNX)

At the moment, $112 is the lowest price we've seen for a one-way Samui International Airport to Chiang Mai Airport flight. The best price for a return ticket is $253. Keep in mind that fares can change due to availability when booking.
To pick up cheap tickets from USM to CNX, book ahead. Airlines typically offer the most competitive fares when flights are first released.
The cheapest month for flights from Samui International Airport to Chiang Mai Airport is May. Use the 'Whole month' tool to find the lowest airfares if you have flexible dates.
Stay on top of deals for cheap flights from USM to CNX by creating a Price Alert. You'll receive an email or notification through the app when a lower fare becomes available.
Tailor your trip with filters. Select your departure and arrival times, total journey duration and airlines. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from Samui International Airport to Chiang Mai Airport.

Handy information about Samui International Airport (USM)

83% of flights departing from Samui International Airport arrive at their destination on time. With its strong on-time stats, disruptions are unlikely when setting off from USM.
Central Koh Samui to Samui International Airport is around 11 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're driving, catching a taxi or ride-sharing.
Catching public transport? You can expect a journey time of around 30 minutes.
Need a convenient hotel near USM? If you've booked an early flight from Samui International Airport to Chiang Mai Airport, these stays will put you moments from your departure gate:

Arriving at Chiang Mai Airport (CNX)

Reserve a hotel close to CNX if you're taking a late Samui International Airport to Chiang Mai Airport flight. Pick one of these options and avoid the hassle of a long transfer:
Explore without limits with a Chiang Mai Airport rental car. Pick up a set of wheels from Chic Car Rent, asap car rental or Hertz and chase adventure across Chiang Mai and beyond.
Lock in the lowest price by reserving your vehicle from Chiang Mai Airport about two weeks before your trip.

When to fly to Chiang Mai Airport (CNX)

It's time to choose your trip dates for your flight from Samui International Airport to Chiang Mai Airport. January is the most popular month to visit Chiang Mai. If you like a quieter vibe, go in June.
The warmest month in Chiang Mai is April, with the temperature ranging between 22ºC (72ºF) and 42ºC (108ºF). Book your flights from Samui International Airport to Chiang Mai Airport in this month if this is the kind of weather you like.
January has average temperatures of between 12ºC (54ºF) and 31ºC (88ºF). Search for cheap tickets from USM to CNX sometime around then if you want to travel in cooler conditions.

Explore more of Thailand

Chiang Mai is easy to fall in love with, but there are so many other corners of Thailand just waiting to be discovered. About 434 kilometres east of Chiang Mai, a trip to Udon Thani will keep you on the move. Start with attractions like Thai-Chinese Cultural Centre, Wat Pho Chai and Wat Burapa Wanaram.
Around 80 kilometres south-east of Chiang Mai, Lampang is another essential stop in Thailand. Experience the best of this destination with a visit to Wat Chiang Rai, Wat Phra Kaew Don Tao Suchadaram and Wat Chai Mongkhon.