฿4,090 Cheap Flights from Chiang Mai (CNX) to Samui Intl. Airport (USM)

View ฿4,090 flight on Tue, 12 May 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 (CNX) to Samui Intl. Airport (USM)

Prices were available within the past 7 days and start at ฿4,090 for one-way flights and ฿8,505 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Fri, 4 Sept - Sat, 12 Sept
CNX
Chiang Mai
USM
Koh Samui
฿8,505 Return, found 5 hours ago
฿8,505
Return
found 5 hours ago
Select Bangkok Airways flight, departing Fri, 4 Sept from Chiang Mai to Koh Samui, returning Sat, 12 Sept, priced at ฿8,505 found 5 hours ago
Bangkok Airways
Fri, 4 Sept - Sat, 12 Sept
CNX
Chiang Mai
USM
Koh Samui
฿8,635 Return, found 5 hours ago
฿8,635
Return
found 5 hours ago
Select Bangkok Airways flight, departing Fri, 4 Sept from Chiang Mai to Koh Samui, returning Sat, 12 Sept, priced at ฿8,635 found 5 hours ago
Bangkok Airways
Fri, 4 Sept - Sat, 12 Sept
CNX
Chiang Mai
USM
Koh Samui
฿8,665 Return, found 5 hours ago
฿8,665
Return
found 5 hours ago
Select Bangkok Airways flight, departing Fri, 4 Sept from Chiang Mai to Koh Samui, returning Sat, 12 Sept, priced at ฿8,665 found 5 hours ago
Bangkok Airways
Fri, 4 Sept - Sat, 12 Sept
CNX
Chiang Mai
USM
Koh Samui
฿8,795 Return, found 5 hours ago
฿8,795
Return
found 5 hours ago
Select Bangkok Airways flight, departing Fri, 4 Sept from Chiang Mai to Koh Samui, returning Sat, 12 Sept, priced at ฿8,795 found 5 hours ago
Bangkok Airways
Sat, 5 Sept - Sat, 12 Sept
CNX
Chiang Mai
USM
Koh Samui
฿8,925 Return, found 5 hours ago
฿8,925
Return
found 5 hours ago
Select Bangkok Airways flight, departing Sat, 5 Sept from Chiang Mai to Koh Samui, returning Sat, 12 Sept, priced at ฿8,925 found 5 hours ago
Bangkok Airways
Tue, 10 Nov - Fri, 13 Nov
CNX
Chiang Mai
USM
Koh Samui
฿8,950 Return, found 8 hours ago
฿8,950
Return
found 8 hours ago
Select Bangkok Airways flight, departing Tue, 10 Nov from Chiang Mai to Koh Samui, returning Fri, 13 Nov, priced at ฿8,950 found 8 hours ago
Bangkok Airways
Fri, 4 Sept - Sat, 12 Sept
CNX
Chiang Mai
USM
Koh Samui
฿9,105 Return, found 5 hours ago
฿9,105
Return
found 5 hours ago
Select Bangkok Airways flight, departing Fri, 4 Sept from Chiang Mai to Koh Samui, returning Sat, 12 Sept, priced at ฿9,105 found 5 hours ago
Bangkok Airways
Sat, 5 Sept - Sat, 12 Sept
CNX
Chiang Mai
USM
Koh Samui
฿9,235 Return, found 5 hours ago
฿9,235
Return
found 5 hours ago
Select Bangkok Airways flight, departing Sat, 5 Sept from Chiang Mai to Koh Samui, returning Sat, 12 Sept, priced at ฿9,235 found 5 hours ago
Bangkok Airways
Fri, 4 Sept - Sat, 12 Sept
CNX
Chiang Mai
USM
Koh Samui
฿9,265 Return, found 5 hours ago
฿9,265
Return
found 5 hours ago
Select Bangkok Airways flight, departing Fri, 4 Sept from Chiang Mai to Koh Samui, returning Sat, 12 Sept, priced at ฿9,265 found 5 hours ago
Bangkok Airways
Sat, 5 Sept - Sat, 12 Sept
CNX
Chiang Mai
USM
Koh Samui
฿9,395 Return, found 5 hours ago
฿9,395
Return
found 5 hours ago
Select Bangkok Airways flight, departing Sat, 5 Sept from Chiang Mai to Koh Samui, returning Sat, 12 Sept, priced at ฿9,395 found 5 hours ago

Alternative airports near Koh Samui

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Samui Intl. Airport USM. Cheapest and Closest option available. Average driving time to city centre is 31 minutes. Flights from ฿11,485
USM
Samui Intl. Airport
CheapestClosest
Average driving time to city centre31 min
Flights from ฿11,485

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 ฿8,505. 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
฿8,505
Distance
1025 km
Average flight time
1 hour 45 mins
*Available to Expedia members.