Cheap flights Chiang Mai to Koh Samui (Koh Samui)

From

To

Depart

Return

Passengers

1 passenger, economy

Cheap flights Chiang Mai to Koh Samui

Compare prices, duration and stops

Filters

Stops

Direct only 1 stop

Price

68 £ 142 £ 142 £

Airlines

Bangkok Airways Nok Air Thai AirAsia Thai Airways Thai Lion Air Thai Vietjet Air

DD 123

23:50

Chiang Mai (CNX)

Tue, 15 sep

12h 55min

1 stop

12:45

Koh Samui (USM)

Wed, 16 sep +1

137 £

PG 224 🔥 Hot deal

04:55

Chiang Mai (CNX)

Wed, 16 sep

5h 50min

Direct

10:45

Koh Samui (USM)

Wed, 16 sep

129 £

DD 125

05:10

Chiang Mai (CNX)

Wed, 16 sep

43h

1 stop

00:10

Koh Samui (USM)

Fri, 18 sep +1

121 £

VZ 119

15:30

Chiang Mai (CNX)

Wed, 16 sep

9h 45min

1 stop

01:15

Koh Samui (USM)

Thu, 17 sep +1

124 £

TG 107

06:40

Chiang Mai (CNX)

Thu, 17 sep

17h 30min

1 stop

00:10

Koh Samui (USM)

Fri, 18 sep +1

122 £

PG 248

07:35

Chiang Mai (CNX)

Thu, 17 sep

17h 50min

1 stop

01:25

Koh Samui (USM)

Fri, 18 sep +1

111 £

VZ 119

15:30

Chiang Mai (CNX)

Thu, 17 sep

45h 55min

2 stops

13:25

Koh Samui (USM)

Sat, 19 sep +1

131 £

VZ 119

15:30

Chiang Mai (CNX)

Fri, 18 sep

8h 40min

1 stop

00:10

Koh Samui (USM)

Sat, 19 sep +1

97 £

VZ 119

15:30

Chiang Mai (CNX)

Sat, 19 sep

8h 40min

1 stop

00:10

Koh Samui (USM)

Sun, 20 sep +1

94 £

DD 123

23:50

Chiang Mai (CNX)

Sat, 19 sep

24h 20min

1 stop

00:10

Koh Samui (USM)

Mon, 21 sep +1

107 £

VZ 414

03:55

Chiang Mai (CNX)

Mon, 21 sep

7h 5min

1 stop

11:00

Koh Samui (USM)

Mon, 21 sep

124 £

FD 3420

15:55

Chiang Mai (CNX)

Mon, 21 sep

8h 15min

1 stop

00:10

Koh Samui (USM)

Tue, 22 sep +1

110 £

DD 123

23:50

Chiang Mai (CNX)

Mon, 21 sep

24h 20min

1 stop

00:10

Koh Samui (USM)

Wed, 23 sep +1

97 £

VZ 414

03:55

Chiang Mai (CNX)

Tue, 22 sep

7h 5min

1 stop

11:00

Koh Samui (USM)

Tue, 22 sep

133 £

VZ 416

09:25

Chiang Mai (CNX)

Tue, 22 sep

16h

1 stop

01:25

Koh Samui (USM)

Wed, 23 sep +1

122 £

DD 123

23:50

Chiang Mai (CNX)

Tue, 22 sep

12h 55min

1 stop

12:45

Koh Samui (USM)

Wed, 23 sep +1

116 £

VZ 414

03:55

Chiang Mai (CNX)

Wed, 23 sep

9h 30min

1 stop

13:25

Koh Samui (USM)

Wed, 23 sep

131 £

VZ 119

15:30

Chiang Mai (CNX)

Wed, 23 sep

18h 20min

1 stop

09:50

Koh Samui (USM)

Thu, 24 sep +1

129 £

VZ 119

15:30

Chiang Mai (CNX)

Thu, 24 sep

42h 5min

1 stop

09:35

Koh Samui (USM)

Sat, 26 sep +1

127 £

DD 123

23:50

Chiang Mai (CNX)

Thu, 24 sep

48h 20min

1 stop

00:10

Koh Samui (USM)

Sun, 27 sep +1

108 £

VZ 416

09:25

Chiang Mai (CNX)

Fri, 25 sep

16h

1 stop

01:25

Koh Samui (USM)

Sat, 26 sep +1

130 £

VZ 119

15:30

Chiang Mai (CNX)

Fri, 25 sep

36h 35min

1 stop

04:05

Koh Samui (USM)

Sun, 27 sep +1

118 £

DD 121

01:15

Chiang Mai (CNX)

Sat, 26 sep

22h 55min

1 stop

00:10

Koh Samui (USM)

Sun, 27 sep +1

108 £

VZ 117

13:35

Chiang Mai (CNX)

Sat, 26 sep

15h 5min

1 stop

04:40

Koh Samui (USM)

Sun, 27 sep +1

103 £

VZ 119

15:30

Chiang Mai (CNX)

Sat, 26 sep

12h 35min

1 stop

04:05

Koh Samui (USM)

Sun, 27 sep +1

118 £

DD 123

23:50

Chiang Mai (CNX)

Sat, 26 sep

48h 20min

1 stop

00:10

Koh Samui (USM)

Tue, 29 sep +1

117 £

VZ 414

03:55

Chiang Mai (CNX)

Sun, 27 sep

9h 30min

1 stop

13:25

Koh Samui (USM)

Sun, 27 sep

125 £

VZ 115

02:35

Chiang Mai (CNX)

Mon, 28 sep

6h 55min

1 stop

09:30

Koh Samui (USM)

Mon, 28 sep

130 £

VZ 119

15:30

Chiang Mai (CNX)

Mon, 28 sep

8h 40min

1 stop

00:10

Koh Samui (USM)

Tue, 29 sep +1

103 £

DD 121

01:15

Chiang Mai (CNX)

Tue, 29 sep

46h 55min

1 stop

00:10

Koh Samui (USM)

Thu, 1 oct +1

106 £

VZ 119

15:30

Chiang Mai (CNX)

Tue, 29 sep

9h 45min

1 stop

01:15

Koh Samui (USM)

Wed, 30 sep +1

126 £

PG 218

07:35

Chiang Mai (CNX)

Wed, 30 sep

6h 15min

1 stop

13:50

Koh Samui (USM)

Wed, 30 sep

124 £

VZ 119

15:30

Chiang Mai (CNX)

Wed, 30 sep

8h 40min

1 stop

00:10

Koh Samui (USM)

Thu, 1 oct +1

97 £

DD 123

23:50

Chiang Mai (CNX)

Wed, 30 sep

48h 20min

1 stop

00:10

Koh Samui (USM)

Sat, 3 oct +1

104 £

DD 135

12:05

Chiang Mai (CNX)

Thu, 1 oct

36h 5min

1 stop

00:10

Koh Samui (USM)

Sat, 3 oct +1

99 £

SL 523

15:10

Chiang Mai (CNX)

Thu, 1 oct

45h 35min

1 stop

12:45

Koh Samui (USM)

Sat, 3 oct +1

136 £

FD 4117

15:20

Chiang Mai (CNX)

Fri, 2 oct

8h 50min

1 stop

00:10

Koh Samui (USM)

Sat, 3 oct +1

98 £

VZ 119

15:30

Chiang Mai (CNX)

Fri, 2 oct

34h 5min

1 stop

01:35

Koh Samui (USM)

Sun, 4 oct +1

97 £

FD 3420

15:55

Chiang Mai (CNX)

Fri, 2 oct

20h 50min

1 stop

12:45

Koh Samui (USM)

Sat, 3 oct +1

138 £

SL 523

15:10

Chiang Mai (CNX)

Sat, 3 oct

12h 25min

1 stop

03:35

Koh Samui (USM)

Sun, 4 oct +1

120 £

VZ 119 🔥 Hot deal

15:30

Chiang Mai (CNX)

Sat, 3 oct

9h 45min

1 stop

01:15

Koh Samui (USM)

Sun, 4 oct +1

88 £

FD 3420

15:55

Chiang Mai (CNX)

Sat, 3 oct

8h 15min

1 stop

00:10

Koh Samui (USM)

Sun, 4 oct +1

99 £

SL 519

00:10

Chiang Mai (CNX)

Sun, 4 oct

60h 35min

1 stop

12:45

Koh Samui (USM)

Tue, 6 oct +1

103 £

SL 519

00:10

Chiang Mai (CNX)

Mon, 5 oct

24h

1 stop

00:10

Koh Samui (USM)

Tue, 6 oct +1

118 £

VZ 119

15:30

Chiang Mai (CNX)

Mon, 5 oct

16h 55min

1 stop

08:25

Koh Samui (USM)

Tue, 6 oct +1

94 £

FD 3420

15:55

Chiang Mai (CNX)

Mon, 5 oct

20h 50min

1 stop

12:45

Koh Samui (USM)

Tue, 6 oct +1

96 £

DD 121

01:15

Chiang Mai (CNX)

Tue, 6 oct

11h 30min

1 stop

12:45

Koh Samui (USM)

Tue, 6 oct

95 £

FD 4119

07:10

Chiang Mai (CNX)

Tue, 6 oct

7h 25min

1 stop

14:35

Koh Samui (USM)

Tue, 6 oct

96 £

FD 3420

15:55

Chiang Mai (CNX)

Tue, 6 oct

8h 15min

1 stop

00:10

Koh Samui (USM)

Wed, 7 oct +1

100 £

DD 123

23:50

Chiang Mai (CNX)

Tue, 6 oct

24h 20min

1 stop

00:10

Koh Samui (USM)

Thu, 8 oct +1

107 £

Low price calendar

September 2026

Price chart (September 2026)

min: 90 £ · max: 110 £

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90 £

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97 £

19

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90 £

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94 £

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103 £

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92 £

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103 £

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96 £

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104 £

Cheap flights Chiang Mai to Koh Samui

Bangkok Airways

Mon, Tue, Wed, Thu, Sun

Price from

£68

Thai Lion Air

Mon, Tue, Wed, Thu, Fri, Sat, Sun

Price from

£81

Thai Vietjet Air

Mon, Tue, Wed, Thu, Fri, Sat, Sun

Price from

£88

Thai AirAsia

Mon, Tue, Wed, Thu, Fri, Sat, Sun

Price from

£90

Nok Air

Mon, Tue, Wed, Thu, Fri, Sat, Sun

Price from

£90

Thai Airways

Wed, Thu, Sun

Price from

£116

Popular destinations from Chiang Mai

All →

CNX

Chiang Mai — Bangkok

Thailand → Thailand

BKK

from

£13

CNX

Chiang Mai — Bangkok

Thailand → Thailand

DMK

from

£14

CNX

Chiang Mai — Krabi

Thailand → Thailand

KBV

from

£24

CNX

Chiang Mai — Pattaya

Thailand → Thailand

UTP

from

£25

CNX

Chiang Mai — Khon Kaen

Thailand → Thailand

KKC

from

£29

CNX

Chiang Mai — Hua Hin

Thailand → Thailand

HHQ

from

£29

CNX

Chiang Mai — Udon Thani

Thailand → Thailand

UTH

from

£32

CNX

Chiang Mai — Surat Thani

Thailand → Thailand

URT

from

£36

CNX

Chiang Mai — Hat Yai

Thailand → Thailand

HDY

from

£46

Popular destinations to Koh Samui

All →

HKT

Phuket — Koh Samui

Thailand → Thailand

USM

from

£40

UTP

Pattaya — Koh Samui

Thailand → Thailand

USM

from

£40

KBV

Krabi — Koh Samui

Thailand → Thailand

USM

from

£43

BKK

Bangkok — Koh Samui

Thailand → Thailand

USM

from

£50

MOW

Moskva — Koh Samui

Russia → Thailand

USM

from

£84

DPS

Denpasar (Bali) — Koh Samui

Indonesia → Thailand

USM

from

£93

SIN

Singapore — Koh Samui

Singapore → Thailand

USM

from

£94

SGN

Ho Chi Minh City — Koh Samui

Vietnam → Thailand

USM

from

£102

Cheap flights Chiang Mai to Koh Samui

Interesting facts about the route

Flight time

12h 25min

Distance

1 031 km

Average price

£106

Most frequent flight

VZ 119

Passenger reviews

No reviews for this route yet

Internet abroad

eSIM · Thailand

maew

10 GB

data

30

days

£8

maew

20 GB

data

30

days

£13

dtac

data

15

days

£14

dtac

data

30

days

£24

maew

data

10

days

£26

Frequently Asked Questions

The average ticket price Chiang Mai Koh Samui is £106. The cheapest ticket costs £94, operated by Thai Vietjet Air, flight 119, departing Chiang Mai on 19 September at 15:30, arriving Koh Samui on 20 September at 00:10.

The average flight time is 17 hours 30 minutes. The fastest flight takes 8 hours 40 minutes, flight 119 operated by Thai Vietjet Air, departing Chiang Mai on 18 September at 15:30, arriving Koh Samui on 19 September at 00:10.

Flights on the Chiang Mai - Koh Samui route are operated by the following airlines: Nok Air, Thai AirAsia, Bangkok Airways, Thai Lion Air, Thai Airways, Thai Vietjet Air.

The distance from Chiang Mai to Koh Samui is 1031 km.