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HK$1,513+ 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 13-5. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
3 mai — 10 mai1
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 3 avril 2026.

jeu. 14-521:30
HKG
-
USM
1 stop10h 40m
Multiple Airlines
mer. 20-519:45
USM
-
HKG
1 stop23h 00m
Multiple Airlines
Deal found 1-4HK$2,680
mar. 12-507:55
HKG
-
USM
1 stop13h 30m
Multiple Airlines
mer. 20-519:45
USM
-
HKG
1 stop23h 00m
Multiple Airlines
Deal found 3-4HK$2,782
mer. 6-507:55
HKG
-
USM
1 stop13h 30m
Multiple Airlines
mar. 12-506:00
USM
-
HKG
1 stop7h 20m
Multiple Airlines
Deal found 30-3HK$2,790
ven. 15-516:55
HKG
-
USM
1 stop15h 15m
Multiple Airlines
ven. 22-508:00
USM
-
HKG
1 stop7h 00m
Multiple Airlines
Deal found 31-3HK$2,829
mar. 26-516:55
HKG
-
USM
1 stop15h 15m
Multiple Airlines
ven. 29-507:50
USM
-
HKG
1 stop11h 25m
Multiple Airlines
Deal found 3-4HK$2,861
jeu. 14-516:55
HKG
-
USM
1 stop15h 15m
Multiple Airlines
jeu. 21-519:45
USM
-
HKG
1 stop23h 00m
Multiple Airlines
Deal found 30-3HK$2,915
ven. 15-516:55
HKG
-
USM
1 stop15h 15m
Multiple Airlines
dim. 17-506:55
USM
-
HKG
1 stop11h 20m
Multiple Airlines
Deal found 31-3HK$2,939
dim. 24-521:30
HKG
-
USM
1 stop10h 40m
Multiple Airlines
jeu. 28-515:30
USM
-
HKG
1 stop12h 00m
Multiple Airlines
Deal found 1-4HK$2,947
jeu. 4-607:55
HKG
-
USM
1 stop11h 05m
Multiple Airlines
mer. 10-606:00
USM
-
HKG
1 stop7h 20m
Multiple Airlines
Deal found 3-4HK$3,002
mer. 13-514:55
HKG
-
USM
1 stop6h 55m
Multiple Airlines
mer. 20-519:45
USM
-
HKG
1 stop7h 45m
Multiple Airlines
Deal found 29-3HK$3,017

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 3 avril 2026.

Return from

HK$2,680

One-way from

HK$1,567

Popular in

February

Cheapest in

September

Average price

HK$4,757

Good round-trip deal

HK$3,828 or less

Good one-way deal

HK$2,568 or less
Scoot
  • Scoot
  • 14-5-20-5
  • 2 total stops
  • 33h 40m total
  • Hong Kong to Ko Samui
Search Deals
5-5
  • 5-5
  • 1 total stop
  • 15h 15m total
  • Hong Kong to Ko Samui
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (HK$469 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (HK$161 potential savings vs. average return price).
Search Deals
Average for return flights in April 2026
Search Deals
Price to beat on a round-trip flight from Hong Kong Intl to Ko Samui.
Search Deals
Price to beat on a one-way 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 3 avril 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

mar. 26-5

16:55-07:10

1 stop15h 15m

Ko Samui

ven. 29-5

07:50-20:15

1 stop11h 25m

HK$2,861

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

lun. 13-4

20:55-07:30

1 stop11h 35m

Ko Samui

sam. 2-5

08:00-04:15

1 stop19h 15m

HK$3,864

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

sam. 12-9

13:20-20:30

1 stop8h 10m

Ko Samui

mer. 16-9

09:15-16:40

1 stop6h 25m

HK$4,114

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

sam. 12-9

21:30-09:20

1 stop12h 50m

Ko Samui

mer. 16-9

07:50-18:15

1 stop9h 25m

HK$4,114

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

mer. 13-5

10:10-07:10

2 stops22h 00m

Ko Samui

mer. 20-5

17:25-10:05

2 stops15h 40m

HK$4,271

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

sam. 18-4

09:05-18:50

1 stop10h 45m

Ko Samui

sam. 25-4

16:25-23:00

1 stop29h 35m

HK$4,922

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

dim. 26-4

17:20-19:40

Nonstop3h 20m

Ko Samui

dim. 3-5

06:00-05:55

1 stop22h 55m

HK$5,008

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

mer. 12-8

09:05-18:50

1 stop10h 45m

Ko Samui

ven. 21-8

16:25-13:55

1 stop20h 30m

HK$5,212
Fastest return journey

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

mer. 12-8

17:20-19:40

Nonstop3h 20m

Ko Samui

ven. 21-8

11:55-16:20

Nonstop3h 25m

HK$5,251

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

mer. 12-8

09:00-14:45

1 stop6h 45m

Ko Samui

ven. 21-8

09:15-16:15

1 stop6h 00m

HK$5,251

Flights are sorted by cheapest return flights first.

Deals found on 3-4

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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?

Use this chart to determine the optimal time to book a return flight from Hong Kong to Ko Samui. Price data was last updated on 2 April 2026.

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 17 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 3 avril 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
127 reviews
Check prices

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.1

Comfort

8.0

Entertainment

6.3

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
127 reviews
Bangkok Airways
8.1
Very Good
127 reviews
Check prices

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.1

Comfort

8.0

Entertainment

6.3

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
7.8
Good
395 reviews
Bangkok Airways
8.1
Very Good
127 reviews
Check prices

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.1

Comfort

8.0

Entertainment

6.3

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
1,241 reviews
Bangkok Airways
8.1
Very Good
127 reviews
Check prices

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.1

Comfort

8.0

Entertainment

6.3

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$2,568, while return flights cost around HK$3,482.

  • 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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Some of the lowest fares we’ve come across for flights to Ko Samui.
Flights from Hong Kong to Ko Samui

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How does Cheapflights help users find flights to Ko Samui?

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Why should you use Cheapflights to find cheap flight tickets to Ko Samui?

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.

Can Cheapflights find flights to Ko Samui with no change fees?

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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