€179 Cheap Flights Chiang Mai to Samui Intl. Airport (CNX-USM)

View €179 flight on Wed, 16 Sept 2026Opens in a new window

Popular airlines from Chiang Mai Intl. Airport (CNX) to Samui Intl. Airport (USM)

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Cheap flights from Chiang Mai to Samui Intl. Airport (CNX-USM)

Prices were available within the past 7 days and start at €179 for one-way flights and €362 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Fri, 5 Jun - Sun, 7 Jun
CNX
Chiang Mai
USM
Koh Samui
€362 Return, found 23 hours ago
€362
Return
found 23 hours ago
Select Bangkok Airways flight, departing Fri, 5 Jun from Chiang Mai to Koh Samui, returning Sun, 7 Jun, priced at €362 found 23 hours ago
Bangkok Airways
Tue, 10 Nov - Fri, 13 Nov
CNX
Chiang Mai
USM
Koh Samui
€365 Return, found 6 days ago
€365
Return
found 6 days ago
Select Bangkok Airways flight, departing Tue, 10 Nov from Chiang Mai to Koh Samui, returning Fri, 13 Nov, priced at €365 found 6 days ago
Bangkok Airways
Wed, 10 Jun - Wed, 17 Jun
CNX
Chiang Mai
USM
Koh Samui
€370 Return, found 18 hours ago
€370
Return
found 18 hours ago
Select Bangkok Airways flight, departing Wed, 10 Jun from Chiang Mai to Koh Samui, returning Wed, 17 Jun, priced at €370 found 18 hours ago
Bangkok Airways
Sat, 9 May - Sun, 10 May
CNX
Chiang Mai
USM
Koh Samui
€371 Return, found 2 days ago
€371
Return
found 2 days ago
Select Bangkok Airways flight, departing Sat, 9 May from Chiang Mai to Koh Samui, returning Sun, 10 May, priced at €371 found 2 days ago
Bangkok Airways
Tue, 22 Sept - Mon, 28 Sept
CNX
Chiang Mai
USM
Koh Samui
€372 Return, found 4 days ago
€372
Return
found 4 days ago
Select Bangkok Airways flight, departing Tue, 22 Sept from Chiang Mai to Koh Samui, returning Mon, 28 Sept, priced at €372 found 4 days ago
Bangkok Airways
Wed, 10 Jun - Wed, 17 Jun
CNX
Chiang Mai
USM
Koh Samui
€373 Return, found 18 hours ago
€373
Return
found 18 hours ago
Select Bangkok Airways flight, departing Wed, 10 Jun from Chiang Mai to Koh Samui, returning Wed, 17 Jun, priced at €373 found 18 hours ago
Bangkok Airways
Sat, 9 May - Sun, 10 May
CNX
Chiang Mai
USM
Koh Samui
€374 Return, found 2 days ago
€374
Return
found 2 days ago
Select Bangkok Airways flight, departing Sat, 9 May from Chiang Mai to Koh Samui, returning Sun, 10 May, priced at €374 found 2 days ago
Bangkok Airways
Tue, 22 Sept - Mon, 28 Sept
CNX
Chiang Mai
USM
Koh Samui
€375 Return, found 4 days ago
€375
Return
found 4 days ago
Select Bangkok Airways flight, departing Tue, 22 Sept from Chiang Mai to Koh Samui, returning Mon, 28 Sept, priced at €375 found 4 days ago
Bangkok Airways
Fri, 5 Jun - Fri, 12 Jun
CNX
Chiang Mai
USM
Koh Samui
€377 Return, found 5 days ago
€377
Return
found 5 days ago
Select Bangkok Airways flight, departing Fri, 5 Jun from Chiang Mai to Koh Samui, returning Fri, 12 Jun, priced at €377 found 5 days ago
Bangkok Airways
Sat, 9 May - Sun, 10 May
CNX
Chiang Mai
USM
Koh Samui
€380 Return, found 2 days ago
€380
Return
found 2 days ago
Select Bangkok Airways flight, departing Sat, 9 May from Chiang Mai to Koh Samui, returning Sun, 10 May, priced at €380 found 2 days ago

Frequently asked questions

How much is a flight from Chiang Mai Airport to Ko Samui Airport?
Pack your bags, because round-trip flights between CNX and USM start from €362. That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book today to lock in the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Chiang Mai Airport to Ko Samui Airport (USM)?
The majority of flights can be cancelled online, but each airline has its own set of terms and conditions. If you do need to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from Chiang Mai Intl. Airport (CNX) to USM that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Chiang Mai Intl. Airport (CNX) to USM flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Chiang Mai Intl. Airport (CNX) to USM?
It's just 1,050 kilometres between Chiang Mai and Koh Samui. Chances are you'll spend more time travelling to and from the airport than you will actually flying!
Which airlines fly direct from Chiang Mai Intl. Airport (CNX) to Ko Samui Airport?
Check out the airfares with Bangkok Airways (PG) if you want to travel straight from CNX to Ko Samui Airport. This carrier offers 30 flights every month, so you're sure to find one that suits your schedule.
Are CNX to Ko Samui Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices are constantly going up and down, so there are no guarantees. While last-minute flight deals between Chiang Mai Airport and Samui Airport are possible, it's also a good idea to keep track of prices well before you fly. In fact, some carriers publish their prices up to a year before the departure date. Expedia is continuously updating the biggest airfare bargains around, so check back often and be ready to grab your seat when the price is low.

Travel information

Origin airport
Chiang Mai Intl.
Destination airport
Samui Intl. Airport
Airlines serving
Bangkok Airways
Return price
€361
Distance
1025 km
Average flight time
1 hour 45 mins

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