152 € Cheap Flights from Samui International to Chiang Mai

Compare Samui International to Chiang Mai flight deals

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

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Flight deals from Samui International to Chiang Mai

Looking for a cheap last-minute deal or the best return flight from Samui International to Chiang Mai? Find the lowest prices on one-way and return tickets right here.

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.

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.

Koh Samui to Chiang Mai: Flight information

The things to know before you go.
Cheapest flight found152 €
Cheapest month to flyMay
Average flight time1 hr, 48 mins
Most popular airlineEtihad Airways
Average flights per week47

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

The best price we found for a return flight from Samui International to Chiang Mai is 152 €. 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.
1 hour and 48 minutes is the average flight time from Samui International to Chiang Mai.
Etihad Airways, Turkish Airlines and Thai Airways fly direct from Samui International to Chiang Mai.
As of September 2025, there are 47 flights per week flying from Samui International to Chiang Mai.
The cheapest month to fly from Samui International to Chiang Mai is usually May.
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 Monday, 25 May 2026.
Yes – the average flight time is 1 hour and 48 minutes.
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.
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.
Currently, Bangkok Airways offers the cheapest flight tickets to Chiang Mai.

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

  • The average length of a direct flight from Koh Samui Airport to Chiang Mai International Airport is 1 hour 50 minutes.

  • Koh Samui and Chiang Mai follow the same timezone, UTC+7.

  • Every week, there are 40 Koh Samui Airport to Chiang Mai International Airport flights. If you prefer to be on board early, select the 08:50 Bangkok Airways flight. If you're eager to make the most of your time before you fly, the last departure is at 08:55 with Bangkok Airways.

  • Your USM to CNX flight won't wait if you're running late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • During popular months such as July, it's a good idea to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight when you fly during peak periods in general.

  • Bangkok Airways is your gateway to discovering Chiang Mai (and maybe even some other exciting parts of Thailand!). Browse the direct flights from Koh Samui Airport to Chiang Mai International Airport offered by this carrier.

  • Most travellers choose to travel with Bangkok Airways on this route.

  • With a dependable 88.52% of services arriving as scheduled, Bangkok Airways is the most punctual carrier for USM to CNX flights.

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

  • The cheapest price we've seen for a one-way Koh Samui Airport to Chiang Mai International Airport flight is 75 €. A round-trip fare is currently 152 €. Depending on the availability and when you book, these fares can change.

  • To score cheap tickets from USM to CNX, book your trip six months before your departure.

  • The cheapest month for flights from Koh Samui Airport to Chiang Mai International Airport is May. Use the 'Whole month' tool to find the lowest prices if you have flexible dates.

  • Save time searching for cheap flights from USM to CNX by creating a Price Alert. You'll get an email or push notification on the app when a special offer becomes available.

  • Find the ideal flight for you with the help of the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Koh Samui Airport to Chiang Mai International Airport, use the 'Sort by' function. You can also filter by arrival and departure times, airline, and journey duration.

Handy information about Koh Samui Airport (USM)

  • 69.38% of flights that take off from Koh Samui Airport land at their destination on schedule.

  • The journey from central Koh Samui to Koh Samui Airport is about 3 kilometres. Look up travel apps like Google Maps for the best route, whether you plan to drive or take public transport.

  • Searching for a handy hotel close to USM? If you've booked an early flight from Koh Samui Airport to Chiang Mai International Airport, these stays will have you moments from your departure gate:

Arriving at Chiang Mai International Airport (CNX)

Getting from Chiang Mai International Airport (CNX) to central Chiang Mai

  • Chiang Mai International Airport to central Chiang Mai has a drive time of around 10 minutes. It's approximately 5 kilometres away.

  • If you're taking public transport, expect a journey time of about 25 minutes.

When to fly to Chiang Mai International Airport (CNX)

  • The quietest month for a flight from Koh Samui Airport to Chiang Mai International Airport is February, while August is the busiest. Choose the ideal time to visit Chiang Mai based on whether you prefer a more relaxed vibe or a faster pace.

  • The warmest month in Chiang Mai is April, with temperatures ranging between 22ºC (72ºF) and 42ºC (108ºF). Book your flights from Koh Samui Airport to Chiang Mai International 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 then if you like travelling in cooler conditions.

Explore more of Thailand

  • Chiang Mai has loads to offer, but there are so many other parts of Thailand waiting to be discovered. About 434 kilometres east of Chiang Mai, a trip to Udon Thani will keep you on the move. Start with popular sights like Nong Prajak Public Park, Krom Luang Prachaksinlapakhom Monument and Chinesisches Tor.

  • Around 80 kilometres south-east of Chiang Mai, Lampang is another essential stop in Thailand. Start your sightseeing at Baan Sao Nak, Ratsadapisek Bridge and Horse-Drawn Carriage.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.