
Popular airlines from Chiang Mai to Koh Samui
- Bangkok Airways
Bangkok Airways
- Plan, book, fly with confidence
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Cheap flights from Chiang Mai to Koh Samui (CNX-USM)
Prices were available within the past 7 days and start at €165 for one-way flights and €358 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, 20 Sep - Sun, 21 Sep
CNX
Chiang Mai
USM
Koh Samui
€358 Return, found 10 hours ago
€358
Return
found 10 hours ago

Sat, 20 Sep - Sun, 21 Sep
CNX
Chiang Mai
USM
Koh Samui
€361 Return, found 10 hours ago
€361
Return
found 10 hours ago

Sat, 20 Sep - Sun, 21 Sep
CNX
Chiang Mai
USM
Koh Samui
€365 Return, found 10 hours ago
€365
Return
found 10 hours ago

Sat, 20 Sep - Sun, 21 Sep
CNX
Chiang Mai
USM
Koh Samui
€367 Return, found 10 hours ago
€367
Return
found 10 hours ago

Sat, 17 Jan - Sat, 7 Feb
CNX
Chiang Mai
USM
Koh Samui
€369 Return, found 3 days ago
€369
Return
found 3 days ago

Sat, 20 Sep - Sun, 21 Sep
CNX
Chiang Mai
USM
Koh Samui
€370 Return, found 10 hours ago
€370
Return
found 10 hours ago
Find the cheapest month to fly from Chiang Mai (CNX) to Koh Samui (USM)
September is typically the cheapest month to fly
From €158 - €366 per traveller.
Graph displaying average flight prices per month
Top Routes to Koh Samui
Expedia's Latest Trends
Hotels
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- Millennium Place Barsha Heights Hotel Apartments
- Hotels in Westport
- Apartments Tenerife
- Powerscourt Hotel, Autograph Collection
- Apartments Tuam
- Jaz in the City Amsterdam
- Nessebar Fort Club
- Glasson LakeHouse
- AP Adriana Beach Resort
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Flights
Activities
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