Flights to Koh Samui from Chiang Mai from RM920

View RM920 flight on Tue, 26 Aug 2025Opens in a new window

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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 RM920 for one-way flights and RM1,831 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Thu, 18 Sep - Mon, 22 Sep
CNX
Chiang Mai
USM
Koh Samui
RM1,831 Return, found 4 days ago
RM1,831
Return
found 4 days ago
Select Bangkok Airways flight, departing Thu, 18 Sep from Chiang Mai to Koh Samui, returning Mon, 22 Sep, priced at RM1,831 found 4 days ago
Bangkok Airways
Thu, 18 Sep - Mon, 22 Sep
CNX
Chiang Mai
USM
Koh Samui
RM1,848 Return, found 4 days ago
RM1,848
Return
found 4 days ago
Select Bangkok Airways flight, departing Thu, 18 Sep from Chiang Mai to Koh Samui, returning Mon, 22 Sep, priced at RM1,848 found 4 days ago
Bangkok Airways
Thu, 18 Sep - Mon, 22 Sep
CNX
Chiang Mai
USM
Koh Samui
RM1,874 Return, found 4 days ago
RM1,874
Return
found 4 days ago
Select Bangkok Airways flight, departing Thu, 18 Sep from Chiang Mai to Koh Samui, returning Mon, 22 Sep, priced at RM1,874 found 4 days ago
Bangkok Airways
Thu, 18 Sep - Mon, 22 Sep
CNX
Chiang Mai
USM
Koh Samui
RM1,891 Return, found 4 days ago
RM1,891
Return
found 4 days ago
Select Bangkok Airways flight, departing Thu, 18 Sep from Chiang Mai to Koh Samui, returning Mon, 22 Sep, priced at RM1,891 found 4 days ago
Bangkok Airways
Thu, 4 Sep - Wed, 10 Sep
CNX
Chiang Mai
USM
Koh Samui
RM1,907 Return, found 3 days ago
RM1,907
Return
found 3 days ago
Select Bangkok Airways flight, departing Thu, 4 Sep from Chiang Mai to Koh Samui, returning Wed, 10 Sep, priced at RM1,907 found 3 days ago
Bangkok Airways
Thu, 18 Sep - Mon, 22 Sep
CNX
Chiang Mai
USM
Koh Samui
RM1,908 Return, found 4 days ago
RM1,908
Return
found 4 days ago
Select Bangkok Airways flight, departing Thu, 18 Sep from Chiang Mai to Koh Samui, returning Mon, 22 Sep, priced at RM1,908 found 4 days ago

Find the cheapest month to fly from Chiang Mai (CNX) to Koh Samui (USM)

September is typically the cheapest month to fly

From RM 775 - RM 1,777 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.