Cheap Flights from Chiang Mai to Samui International from 152 €

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

The best price we found for a return flight from Chiang Mai to Samui International 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.

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

1 hour and 45 minutes is the average flight time from Chiang Mai to Samui International.

Q: Which airlines fly direct from Chiang Mai to Samui International?

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

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

As of April 2025, there are 38 flights per week flying from Chiang Mai to Samui International.

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

The cheapest month to fly from Chiang Mai to Samui International is usually April 2025.

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

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chiang Mai Airport to Samui International Airport on Saturday, 24 May 2025 .

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

Yes – the average flight time is 1 hour and 45 minutes.

Q: How can I find the best flight deal to Samui International?

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 Samui International 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.

Q: When is the best time to book flights to Koh Samui?

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

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

Currently, Thai AirAsia and Bangkok Airways offer the cheapest flight tickets to Samui International.

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Flight deals from Chiang Mai to Samui International

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

Koh Samui.152 € per passenger.Departing Sat, 24 May, returning Wed, 25 Jun.Return flight with Thai AirAsia and Bangkok Airways.Outbound indirect flight with Thai AirAsia, departs from Chiang Mai on Sat, 24 May, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Wed, 25 Jun, arriving in Chiang Mai.Price includes taxes and charges.From 152 €, select.

Koh Samui.157 € per passenger.Departing Tue, 18 Nov, returning Thu, 27 Nov.Return flight with Bangkok Airways.Outbound indirect flight with Bangkok Airways, departs from Chiang Mai on Tue, 18 Nov, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Thu, 27 Nov, arriving in Chiang Mai.Price includes taxes and charges.From 157 €, select.

Koh Samui.158 € per passenger.Departing Tue, 23 Sep, returning Fri, 26 Sep.Return flight with Bangkok Airways.Outbound indirect flight with Bangkok Airways, departs from Chiang Mai on Tue, 23 Sep, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Fri, 26 Sep, arriving in Chiang Mai.Price includes taxes and charges.From 158 €, select.

Koh Samui.159 € per passenger.Departing Thu, 16 Oct, returning Mon, 20 Oct.Return flight with Bangkok Airways.Outbound indirect flight with Bangkok Airways, departs from Chiang Mai on Thu, 16 Oct, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Mon, 20 Oct, arriving in Chiang Mai.Price includes taxes and charges.From 159 €, select.

Koh Samui.159 € per passenger.Departing Sat, 20 Sep, returning Mon, 1 Dec.Return flight with Bangkok Airways.Outbound indirect flight with Bangkok Airways, departs from Chiang Mai on Sat, 20 Sep, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Mon, 1 Dec, arriving in Chiang Mai.Price includes taxes and charges.From 159 €, select.

Koh Samui.159 € per passenger.Departing Thu, 18 Sep, returning Thu, 25 Sep.Return flight with Bangkok Airways.Outbound direct flight with Bangkok Airways departs from Chiang Mai on Thu, 18 Sep, arriving in Samui International.Inbound direct flight with Bangkok Airways departs from Samui International on Thu, 25 Sep, arriving in Chiang Mai.Price includes taxes and charges.From 159 €, select.

Koh Samui.159 € per passenger.Departing Wed, 21 May, returning Tue, 27 May.Return flight with Bangkok Airways.Outbound indirect flight with Bangkok Airways, departs from Chiang Mai on Wed, 21 May, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Tue, 27 May, arriving in Chiang Mai.Price includes taxes and charges.From 159 €, select.

Koh Samui.161 € per passenger.Departing Tue, 18 Nov, returning Tue, 2 Dec.Return flight with Bangkok Airways.Outbound indirect flight with Bangkok Airways, departs from Chiang Mai on Tue, 18 Nov, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Tue, 2 Dec, arriving in Chiang Mai.Price includes taxes and charges.From 161 €, select.

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

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

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Direct flights from Chiang Mai to Samui International

Chiang Mai to Samui International: Alternative routes

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

Chiang Mai to Koh Samui: Flight information

The things to know before you go.

Cheapest flight found	152 €
Cheapest month to fly	May
Average flight time	1 hr, 45 mins
Most popular airline	Bangkok Airways
Average flights per week	38

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

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

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

Which airlines fly direct from Chiang Mai to Samui International?

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

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

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

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

How can I find the best flight deal to Samui International?

When is the best time to book flights to Koh Samui?

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

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

On average, direct flights from Chiang Mai International Airport to Koh Samui Airport take 1 hour 45 minutes. Thailand and Chiang Mai share the same timezone (UTC+7), which means you won't have to adjust your watch once you land.
Flights from Chiang Mai International Airport to Koh Samui Airport start from 08:50 — the first with Bangkok Airways. The latest departure is the 14:35 option with Bangkok Airways. In total, you can take your pick of 11 weekly services from CNX to USM.
During popular months like August, you'll want to get to the airport earlier than normal. Arrive two hours before a domestic departure and four hours ahead of international flights whenever you're flying during a high season in general.
Travelling to Thailand (and then seeing more of Thailand!) is easy with Bangkok Airways. This popular airline has direct flights from Chiang Mai International Airport to Koh Samui Airport.
If you prefer a stopover for your flight from Chiang Mai International Airport to Koh Samui Airport, simply deselect 'Direct flights only' and look at all your options. Here are the most popular stopovers between CNX and USM:
- Don Mueang International Airport
- Phuket International Airport
- Suvarnabhumi Airport
You don't need your passport or a visa to fly within Thailand. You will need a valid identity document though, such as a driver's license or ID card. Make sure they're on your packing list once you've booked your cheap ticket from CNX to USM.

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

The lowest price we've seen for a one-way ticket from Chiang Mai International Airport to Koh Samui Airport is 71 €. For a return flight on this route, the best price is 152 €. Depending on the availability and when you book, these fares can change.
Score cheap tickets from CNX to USM by booking at least 10 months ahead. Based on our research, that's the sweet spot for landing a bargain.
Organise your trip for June. That's the cheapest month for tickets from Chiang Mai International Airport to Koh Samui Airport. If you have flexibility with your dates, try out the 'Whole month' tool to see the lowest price across each month.
Set up a Price Alert for cheap tickets from CNX to USM. There's no need to check every day to see whether prices have fallen. We'll notify you as soon as there's a change in price.
Tailor your trip with filters. Pick your departure and arrival times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from Chiang Mai International Airport to Koh Samui Airport.

Handy information about Chiang Mai International Airport (CNX)

Located around 5 kilometres from the centre of Chiang Mai, Chiang Mai International Airport can be reached in approximately 10 minutes by car (depending on traffic). The same journey by public transport takes roughly 23 minutes.
Need a handy hotel close to CNX? If you're boarding an early flight from Chiang Mai International Airport to Koh Samui Airport, these accommodation options will have you sleeping moments from your check-in counter:

Arriving at Koh Samui Airport (USM)

Book a hotel close to USM if you have a late flight from Chiang Mai International Airport to Koh Samui Airport. Pick one of these options and skip the long transfer:

Getting from Koh Samui Airport (USM) to central Thailand

Koh Samui Airport to central Thailand is around 611 kilometres. If you're renting a car or getting a cab, plan ahead to make your trip as smooth as possible. Journey times may vary based on traffic conditions and the time of day.

When to fly to Koh Samui Airport (USM)

The quietest month for a flight from Chiang Mai International Airport to Koh Samui Airport is February, while August is the busiest. Pick the best time to visit Thailand based on whether you prefer a laid-back vibe or a more bustling atmosphere.
When booking your flight from Chiang Mai International Airport to Koh Samui Airport, think about the type of weather you enjoy. April is the warmest month in Thailand, with temperatures ranging from 24ºC to 41ºC.
December sees average temperatures of between 16ºC and 32ºC. Look for cheap tickets from CNX to USM around that time if you want to travel when it's cooler.

More about Thailand

You've got your flight from CNX to USM worked out, now all you need to do is lock in your Thailand hotel. Book a room at Phutawan Resort and use it as your base to explore this destination.
Wat Pu Muang and Wat Ma Muang Ched Ton are a couple of top-rated attractions to put on your Thailand itinerary. Continue your sightseeing adventures at Wat Tha Luang.

Complete your Koh Samui trip with hotels and a car rental

Once you've secured your cheap ticket to Koh Samui Airport, check out our low prices and exclusive rates for hotels. You can also compare hundreds of car rental companies in one place to find the best car rental price for your Koh Samui escape.

Plan the rest of your trip from Chiang Mai to Koh Samui

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