Cheap flights Hong Kong to Koh Samui (Koh Samui)

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To

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Passengers

1 passenger, economy

Cheap flights Hong Kong to Koh Samui

Compare prices, duration and stops

Filters

Stops

Direct only 1 stop

Price

127 £ 204 £ 204 £

Airlines

Cathay Pacific Emirates Hong Kong Express Airways Thai Airways Thai Lion Air Tigerair

SL 361

06:20

Hong Kong (HKG)

Wed, 16 sep

17h 50min

1 stop

00:10

Koh Samui (USM)

Thu, 17 sep +1

133 £

UO 724

23:55

Hong Kong (HKG)

Wed, 16 sep

25h 30min

1 stop

01:25

Koh Samui (USM)

Fri, 18 sep +1

180 £

UO 724

23:55

Hong Kong (HKG)

Thu, 17 sep

49h 30min

1 stop

01:25

Koh Samui (USM)

Sun, 20 sep +1

181 £

UO 700

05:30

Hong Kong (HKG)

Fri, 18 sep

18h 40min

1 stop

00:10

Koh Samui (USM)

Sat, 19 sep +1

137 £

UO 702

08:55

Hong Kong (HKG)

Fri, 18 sep

39h 15min

1 stop

00:10

Koh Samui (USM)

Sun, 20 sep +1

156 £

UO 724

23:55

Hong Kong (HKG)

Fri, 18 sep

13h 30min

1 stop

13:25

Koh Samui (USM)

Sat, 19 sep +1

179 £

UO 702

08:55

Hong Kong (HKG)

Sat, 19 sep

15h 15min

1 stop

00:10

Koh Samui (USM)

Sun, 20 sep +1

143 £

UO 704

23:25

Hong Kong (HKG)

Sat, 19 sep

48h 45min

1 stop

00:10

Koh Samui (USM)

Tue, 22 sep +1

163 £

UO 724

23:55

Hong Kong (HKG)

Sat, 19 sep

13h 30min

1 stop

13:25

Koh Samui (USM)

Sun, 20 sep +1

178 £

UO 700

05:30

Hong Kong (HKG)

Sun, 20 sep

18h 40min

1 stop

00:10

Koh Samui (USM)

Mon, 21 sep +1

144 £

SL 361 🔥 Hot deal

06:20

Hong Kong (HKG)

Sun, 20 sep

41h 50min

1 stop

00:10

Koh Samui (USM)

Tue, 22 sep +1

155 £

UO 724

23:55

Hong Kong (HKG)

Sun, 20 sep

11h 5min

1 stop

11:00

Koh Samui (USM)

Mon, 21 sep +1

181 £

SL 361

06:20

Hong Kong (HKG)

Mon, 21 sep

17h 50min

1 stop

00:10

Koh Samui (USM)

Tue, 22 sep +1

136 £

UO 702 🔥 Hot deal

08:55

Hong Kong (HKG)

Mon, 21 sep

15h 15min

1 stop

00:10

Koh Samui (USM)

Tue, 22 sep +1

127 £

UO 724

23:55

Hong Kong (HKG)

Mon, 21 sep

25h 30min

1 stop

01:25

Koh Samui (USM)

Wed, 23 sep +1

172 £

UO 702

08:55

Hong Kong (HKG)

Tue, 22 sep

15h 15min

1 stop

00:10

Koh Samui (USM)

Wed, 23 sep +1

142 £

UO 724

23:55

Hong Kong (HKG)

Tue, 22 sep

13h 30min

1 stop

13:25

Koh Samui (USM)

Wed, 23 sep +1

170 £

SL 361

06:20

Hong Kong (HKG)

Wed, 23 sep

17h 50min

1 stop

00:10

Koh Samui (USM)

Thu, 24 sep +1

140 £

UO 704

23:25

Hong Kong (HKG)

Sun, 27 sep

10h 5min

1 stop

09:30

Koh Samui (USM)

Mon, 28 sep +1

185 £

UO 732

13:30

Hong Kong (HKG)

Fri, 2 oct

35h 45min

1 stop

01:15

Koh Samui (USM)

Sun, 4 oct +1

168 £

SL 365

12:20

Hong Kong (HKG)

Sun, 4 oct

24h 25min

1 stop

12:45

Koh Samui (USM)

Mon, 5 oct +1

157 £

UO 732

13:30

Hong Kong (HKG)

Sun, 4 oct

10h 40min

1 stop

00:10

Koh Samui (USM)

Mon, 5 oct +1

151 £

SL 361 🔥 Hot deal

06:20

Hong Kong (HKG)

Mon, 5 oct

21h 15min

1 stop

03:35

Koh Samui (USM)

Tue, 6 oct +1

137 £

SL 365

12:20

Hong Kong (HKG)

Tue, 6 oct

11h 50min

1 stop

00:10

Koh Samui (USM)

Wed, 7 oct +1

157 £

SL 365

12:20

Hong Kong (HKG)

Wed, 7 oct

11h 50min

1 stop

00:10

Koh Samui (USM)

Thu, 8 oct +1

155 £

UO 704

23:25

Hong Kong (HKG)

Wed, 7 oct

24h 45min

1 stop

00:10

Koh Samui (USM)

Fri, 9 oct +1

151 £

UO 724

23:55

Hong Kong (HKG)

Wed, 7 oct

11h 5min

1 stop

11:00

Koh Samui (USM)

Thu, 8 oct +1

144 £

SL 365

12:20

Hong Kong (HKG)

Thu, 8 oct

16h 20min

1 stop

04:40

Koh Samui (USM)

Fri, 9 oct +1

147 £

SL 361

06:20

Hong Kong (HKG)

Sat, 10 oct

17h 50min

1 stop

00:10

Koh Samui (USM)

Sun, 11 oct +1

172 £

TR 983

12:45

Hong Kong (HKG)

Sun, 11 oct

23h 5min

1 stop

11:50

Koh Samui (USM)

Mon, 12 oct +1

179 £

UO 732

13:30

Hong Kong (HKG)

Sun, 11 oct

10h 40min

1 stop

00:10

Koh Samui (USM)

Mon, 12 oct +1

131 £

UO 704

23:25

Hong Kong (HKG)

Sun, 11 oct

24h 45min

1 stop

00:10

Koh Samui (USM)

Tue, 13 oct +1

149 £

UO 724

23:55

Hong Kong (HKG)

Sun, 11 oct

11h 5min

1 stop

11:00

Koh Samui (USM)

Mon, 12 oct +1

147 £

UO 700

05:30

Hong Kong (HKG)

Mon, 12 oct

23h 10min

1 stop

04:40

Koh Samui (USM)

Tue, 13 oct +1

141 £

SL 361 🔥 Hot deal

06:20

Hong Kong (HKG)

Mon, 12 oct

21h 15min

1 stop

03:35

Koh Samui (USM)

Tue, 13 oct +1

143 £

UO 702

08:55

Hong Kong (HKG)

Mon, 12 oct

15h 15min

1 stop

00:10

Koh Samui (USM)

Tue, 13 oct +1

130 £

UO 732

13:30

Hong Kong (HKG)

Mon, 12 oct

10h 40min

1 stop

00:10

Koh Samui (USM)

Tue, 13 oct +1

133 £

UO 724

23:55

Hong Kong (HKG)

Mon, 12 oct

11h 5min

1 stop

11:00

Koh Samui (USM)

Tue, 13 oct +1

144 £

UO 734

03:30

Hong Kong (HKG)

Tue, 13 oct

6h 20min

1 stop

09:50

Koh Samui (USM)

Tue, 13 oct

146 £

UO 704

23:25

Hong Kong (HKG)

Tue, 13 oct

24h 45min

1 stop

00:10

Koh Samui (USM)

Thu, 15 oct +1

147 £

SL 365

12:20

Hong Kong (HKG)

Wed, 14 oct

24h 25min

1 stop

12:45

Koh Samui (USM)

Thu, 15 oct +1

147 £

SL 361 🔥 Hot deal

06:20

Hong Kong (HKG)

Thu, 15 oct

17h 50min

1 stop

00:10

Koh Samui (USM)

Fri, 16 oct +1

143 £

UO 702

08:55

Hong Kong (HKG)

Thu, 15 oct

15h 15min

1 stop

00:10

Koh Samui (USM)

Fri, 16 oct +1

160 £

UO 702

08:55

Hong Kong (HKG)

Sat, 17 oct

15h 15min

1 stop

00:10

Koh Samui (USM)

Sun, 18 oct +1

148 £

UO 732

13:30

Hong Kong (HKG)

Sat, 17 oct

10h 40min

1 stop

00:10

Koh Samui (USM)

Sun, 18 oct +1

154 £

UO 700 🔥 Hot deal

05:30

Hong Kong (HKG)

Sun, 18 oct

18h 40min

1 stop

00:10

Koh Samui (USM)

Mon, 19 oct +1

146 £

SL 361

06:20

Hong Kong (HKG)

Sun, 18 oct

26h 25min

1 stop

08:45

Koh Samui (USM)

Mon, 19 oct +1

145 £

SL 365

12:20

Hong Kong (HKG)

Sun, 18 oct

11h 50min

1 stop

00:10

Koh Samui (USM)

Mon, 19 oct +1

144 £

UO 732

13:30

Hong Kong (HKG)

Sun, 18 oct

10h 40min

1 stop

00:10

Koh Samui (USM)

Mon, 19 oct +1

155 £

SL 361

06:20

Hong Kong (HKG)

Mon, 19 oct

21h 15min

1 stop

03:35

Koh Samui (USM)

Tue, 20 oct +1

137 £

Low price calendar

September 2026

Price chart (September 2026)

min: 127 £ · max: 147 £

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147 £

16

Good deal

133 £

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137 £

19

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143 £

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144 £

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127 £

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140 £

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Cheap flights Hong Kong to Koh Samui

Thai Lion Air

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

Price from

£127

Hong Kong Express Airways

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

Price from

£127

Cathay Pacific

Wed

Price from

£156

Tigerair

Sun

Price from

£179

Thai Airways

Sat, Sun

Price from

£188

Popular destinations from Hong Kong

All →

HKG

Hong Kong — Da Nang

Hong Kong → Vietnam

DAD

from

£19

HKG

Hong Kong — Sanya

Hong Kong → China

SYX

from

£20

HKG

Hong Kong — Osaka

Hong Kong → Japan

OSA

from

£36

HKG

Hong Kong — Osaka

Hong Kong → Japan

KIX

from

£36

HKG

Hong Kong — Shanghai

Hong Kong → China

SHA

from

£40

HKG

Hong Kong — Phu Quoc

Hong Kong → Vietnam

PQC

from

£42

HKG

Hong Kong — Tokyo

Hong Kong → Japan

TYO

from

£47

HKG

Hong Kong — Cebu City

Hong Kong → Philippines

CEB

from

£49

HKG

Hong Kong — Manila

Hong Kong → Philippines

MNL

from

£52

Popular destinations to Koh Samui

All →

HKT

Phuket — Koh Samui

Thailand → Thailand

USM

from

£39

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

CNX

Chiang Mai — Koh Samui

Thailand → Thailand

USM

from

£56

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

£93

SGN

Ho Chi Minh City — Koh Samui

Vietnam → Thailand

USM

from

£102

Cheap flights Hong Kong to Koh Samui

Interesting facts about the route

Flight time

15h 15min

Distance

2 049 km

Average price

£152

Most frequent flight

UO 734

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 Hong Kong Koh Samui is £152. The cheapest ticket costs £133, operated by Thai Lion Air, flight 361, departing Hong Kong on 16 September at 06:20, arriving Koh Samui on 17 September at 00:10.

The average flight time is 18 hours 40 minutes. The fastest flight takes 13 hours 30 minutes, flight 724 operated by Hong Kong Express Airways, departing Hong Kong on 18 September at 23:55, arriving Koh Samui on 19 September at 13:25.

Flights on the Hong Kong - Koh Samui route are operated by the following airlines: Cathay Pacific, Thai Lion Air, Thai Airways, Tigerair, Hong Kong Express Airways.

The distance from Hong Kong to Koh Samui is 2049 km.