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HK$1,545+ Cheap flights to Ko Samui

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29-11. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
31 Jul — 7 Aug1
1 adult
1 adult, Economy, 0 bags

Flights to Ko Samui in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Ko Samui
Explore the most affordable flight options available to Ko Samui. Find the lowest fares based on data from user searches, with prices last updated on 1 July 2026.

Fri 4-907:55
HKG
-
USM
1 stop13h 30m
Multiple Airlines
Wed 9-908:00
USM
-
HKG
1 stop7h 00m
Multiple Airlines
Deal found 28-6HK$2,902
Mon 13-714:20
HKG
-
USM
1 stop17h 50m
Multiple Airlines
Wed 29-707:50
USM
-
HKG
1 stop16h 00m
Multiple Airlines
Deal found 28-6HK$3,028
Tue 3-1116:55
HKG
-
USM
1 stop15h 15m
Multiple Airlines
Sat 7-1108:15
USM
-
HKG
1 stop6h 15m
Multiple Airlines
Deal found 27-6HK$3,075
Sat 4-721:30
HKG
-
USM
1 stop10h 40m
Multiple Airlines
Sat 11-707:30
USM
-
HKG
1 stop13h 10m
Multiple Airlines
Deal found 1-7HK$3,161
Thu 15-1021:30
HKG
-
USM
1 stop10h 40m
Multiple Airlines
Mon 19-1008:40
USM
-
HKG
1 stop10h 05m
Multiple Airlines
Deal found 28-6HK$3,224
Sat 17-1021:30
HKG
-
USM
1 stop10h 40m
Multiple Airlines
Mon 19-1008:40
USM
-
HKG
1 stop10h 05m
Multiple Airlines
Deal found 28-6HK$3,239
Fri 21-821:30
HKG
-
USM
1 stop10h 40m
Multiple Airlines
Fri 28-808:40
USM
-
HKG
1 stop10h 05m
Multiple Airlines
Deal found 30-6HK$3,263
Mon 12-1009:05
HKG
-
USM
1 stop10h 45m
Singapore Airlines
Fri 16-1019:45
USM
-
HKG
1 stop17h 10m
Singapore Airlines
Deal found 29-6HK$3,381
Sun 6-909:05
HKG
-
USM
1 stop10h 45m
Singapore Airlines
Thu 10-908:40
USM
-
HKG
1 stop7h 25m
Singapore Airlines
Deal found 1-7HK$3,388
Wed 22-707:55
HKG
-
USM
1 stop10h 00m
Multiple Airlines
Wed 29-707:50
USM
-
HKG
1 stop12h 50m
Multiple Airlines
Deal found 1-7HK$3,443
Wed 12-821:30
HKG
-
USM
1 stop10h 40m
Multiple Airlines
Wed 26-808:20
USM
-
HKG
1 stop15h 30m
Multiple Airlines
Deal found 26-6HK$3,459

Find flight deals to Ko Samui

Find the latest flights to Ko Samui in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 1 July 2026.

Return from

HK$2,902

One-way from

HK$1,545

Popular in

February

Cheapest in

September

Average price

HK$5,263

Good round-trip deal

HK$4,936 or less
4-9-9-9
  • 4-9-9-9
  • 2 total stops
  • 20h 30m total
  • Hong Kong to Ko Samui
Search Deals
29-11
  • 29-11
  • 1 total stop
  • 22h 55m total
  • Hong Kong to Ko Samui
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (HK$160 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$108 potential savings vs. average return price).
Search Deals
Average for return flights in July 2026
Search Deals
Price to beat on a round-trip flight from Hong Kong Intl to Ko Samui.
Search Deals

Cheapflights Fare Finder

 
Locate flights to Ko Samui that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 1 July 2026.
Use the filters below to find and compare flights to Ko Samui that are best for you.

Fly from

Route

Departure

Return

Price

Cheapest return flight

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sun 6-9

09:05-18:50

1 stop10h 45m

Ko Samui

Thu 10-9

08:40-17:05

1 stop7h 25m

HK$3,388

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Fri 30-10

22:10-07:45

1 stop10h 35m

Ko Samui

Tue 3-11

08:30-15:30

1 stop6h 00m

HK$4,102

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sun 6-9

09:05-17:20

1 stop9h 15m

Ko Samui

Thu 10-9

10:05-23:00

2 stops11h 55m

HK$4,698
Fastest return journey

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Wed 9-9

17:20-19:40

Nonstop3h 20m

Ko Samui

Sun 13-9

11:55-16:20

Nonstop3h 25m

HK$5,036

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 18-7

14:30-20:50

1 stop7h 20m

Ko Samui

Tue 28-7

08:10-15:05

1 stop5h 55m

HK$5,208

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Wed 12-8

12:00-19:00

1 stop8h 00m

Ko Samui

Fri 21-8

08:30-16:40

1 stop7h 10m

HK$5,216

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Wed 12-8

17:20-19:40

Nonstop3h 20m

Ko Samui

Fri 21-8

11:55-16:20

Nonstop3h 25m

HK$5,545
Cheapest one-way

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Mon 6-7

21:30-07:00

1 stop10h 30m

HK$1,945

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Tue 7-7

07:55-08:25

1 stop25h 30m

HK$1,977

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Mon 3-8

07:55-18:00

1 stop11h 05m

HK$2,149

Flights are sorted by cheapest return flights first.

Deals found on 27-6

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Best time to book a flight to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to Ko Samui

When is the best time to book a flight to Ko Samui?

The price you pay for your flight to Ko Samui may vary depending on when you book. For the best chance of a lower fare, look to book 16 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Ko Samui

Get insights into the airlines that provide service to Ko Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ko Samui. Reviews last updated 1 July 2026.
See what other customers who have flown with Bangkok Airways,泰國航空, andCathay Pacific to Thailand have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Bangkok Airways
8.1
Very Good
134 reviews
Check prices

Food

7.3

Comfort

7.9

Boarding

8.1

Overall

8.1

Entertainment

6.3

Crew

8.6

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect
Bangkok Airways
8.1
Very Good
134 reviews
Bangkok Airways
8.1
Very Good
134 reviews
Check prices

Food

7.3

Comfort

7.9

Boarding

8.1

Overall

8.1

Entertainment

6.3

Crew

8.6

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect
泰國航空
7.9
Good
408 reviews
Bangkok Airways
8.1
Very Good
134 reviews
Check prices

Food

7.3

Comfort

7.9

Boarding

8.1

Overall

8.1

Entertainment

6.3

Crew

8.6

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect
Cathay Pacific
7.6
Good
1,402 reviews
Bangkok Airways
8.1
Very Good
134 reviews
Check prices

Food

7.3

Comfort

7.9

Boarding

8.1

Overall

8.1

Entertainment

6.3

Crew

8.6

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect

FAQs about flying to Ko Samui

  • What airport do you fly into for flights to Ko Samui?

    Most people fly into Ko Samui (USM) if they book a flight to Ko Samui. Ko Samui is conveniently located just 3.3 km from Ko Samui’s city centre. On average, Ko Samui has 8 flights from Hong Kong per day from 3 airlines.

  • Can I find cheaper flights to Ko Samui if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Ko Samui on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Ko Samui?

    Based on reviews from Cheapflights users, Bangkok Airways is rated the highest out of the airlines that fly to Ko Samui.

  • What is the cheapest airport to fly to in Ko Samui?

    Ko Samui is currently the cheapest airport to fly to in Ko Samui. One-way flights to Ko Samui typically cost HK$1,097, while return flights cost around HK$4,640.

  • Does Ko Samui have rental cars?

    Yes. Those touching down at Ko Samui can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Ko Samui?

    Yes. Ko Samui has hotels nearby for those requiring accommodations. Diamond Pool Villa Samui is the closest property to Ko Samui (0.0 km away from Ko Samui).

See more FAQs

Travelling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Tao
Ko Pha Ngan

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How does Cheapflights help users find flights to Ko Samui?

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By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ko Samui.

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Yes, we can. To see specific flights to Ko Samui with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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