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HK$1,312+ 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 20-4. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
2 Apr — 9 Apr1
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 March 2026.

Thu 16-421:30
HKG
-
USM
1 stop10h 40m
Multiple Airlines
Thu 23-407:50
USM
-
HKG
1 stop11h 25m
Multiple Airlines
Deal found 2-3HK$2,631
Thu 16-421:30
HKG
-
USM
1 stop10h 40m
Multiple Airlines
Mon 20-408:40
USM
-
HKG
1 stop10h 05m
Multiple Airlines
Deal found 1-3HK$2,788
Mon 13-414:55
HKG
-
USM
2 stops17h 50m
Multiple Airlines
Mon 20-408:40
USM
-
HKG
1 stop10h 05m
Multiple Airlines
Deal found 26-2HK$2,912
Sat 18-421:30
HKG
-
USM
1 stop10h 40m
Multiple Airlines
Sun 26-406:00
USM
-
HKG
1 stop13h 15m
Multiple Airlines
Deal found 28-2HK$2,920
Sun 19-421:30
HKG
-
USM
1 stop10h 40m
Multiple Airlines
Sat 25-406:55
USM
-
HKG
1 stop11h 20m
Multiple Airlines
Deal found 2-3HK$2,983
Fri 17-421:30
HKG
-
USM
1 stop11h 05m
Multiple Airlines
Fri 24-408:40
USM
-
HKG
1 stop10h 05m
Multiple Airlines
Deal found 2-3HK$3,037
Fri 17-420:45
HKG
-
USM
1 stop12h 00m
Scoot
Fri 24-408:40
USM
-
HKG
1 stop10h 05m
Scoot
Deal found 2-3HK$3,092

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 March 2026.

Return from

HK$2,631

One-way from

HK$1,312

Popular in

February

Cheapest in

September

Average price

HK$4,529

Good round-trip deal

HK$4,011 or less
16-4-23-4
  • 16-4-23-4
  • 2 total stops
  • 22h 05m total
  • Hong Kong to Ko Samui
Search Deals
20-4
  • 20-4
  • 1 total stop
  • 11h 50m total
  • Hong Kong to Ko Samui
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (HK$318 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$105 potential savings vs. average return price).
Search Deals
Average for return flights in March 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 3 March 2026.
Use the filters below to find and compare flights to Ko Samui that are best for you.

Fly from

Route

Departure

Return

Price

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Fri 10-4

18:40-18:50

2 stops25h 10m

Ko Samui

Thu 16-4

08:00-16:00

1 stop7h 00m

HK$3,295

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 16-5

21:10-11:15

1 stop15h 05m

Ko Samui

Wed 20-5

07:50-18:05

1 stop9h 15m

HK$3,920

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Wed 20-5

21:10-11:40

1 stop15h 30m

Ko Samui

Fri 22-5

21:00-18:05

1 stop20h 05m

HK$3,935

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Tue 12-5

21:10-11:40

1 stop15h 30m

Ko Samui

Fri 15-5

08:45-18:05

1 stop8h 20m

HK$3,998

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 14-3

19:40-08:05

2 stops13h 25m

Ko Samui

Sat 21-3

19:10-10:10

2 stops14h 00m

HK$4,349

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Fri 10-7

17:20-19:40

Nonstop3h 20m

Ko Samui

Sat 25-7

11:55-16:20

Nonstop3h 25m

HK$4,716

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Tue 12-5

18:45-13:45

2 stops20h 00m

Ko Samui

Fri 15-5

18:25-13:30

2 stops18h 05m

HK$4,896

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Wed 18-3

14:30-20:25

1 stop6h 55m

Ko Samui

Mon 23-3

11:40-15:55

Nonstop3h 15m

HK$4,982

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Wed 20-5

17:20-19:40

Nonstop3h 20m

Ko Samui

Fri 22-5

11:55-16:20

Nonstop3h 25m

HK$5,021

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Mon 20-4

20:20-07:10

1 stop11h 50m

HK$1,312

Flights are sorted by cheapest return flights first.

Deals found on 27-2

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?

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 27 February 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 29 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 March 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
125 reviews
Check prices

Boarding

8.1

Food

7.3

Overall

8.1

Crew

8.6

Entertainment

6.3

Comfort

8.0

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
125 reviews
Bangkok Airways
8.1
Very Good
125 reviews
Check prices

Boarding

8.1

Food

7.3

Overall

8.1

Crew

8.6

Entertainment

6.3

Comfort

8.0

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
389 reviews
Bangkok Airways
8.1
Very Good
125 reviews
Check prices

Boarding

8.1

Food

7.3

Overall

8.1

Crew

8.6

Entertainment

6.3

Comfort

8.0

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
1,186 reviews
Bangkok Airways
8.1
Very Good
125 reviews
Check prices

Boarding

8.1

Food

7.3

Overall

8.1

Crew

8.6

Entertainment

6.3

Comfort

8.0

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$746, while return flights cost around HK$1,400.

  • How much is a return flight to Ko Samui?

    A return flight to Ko Samui will typically cost around HK$2,652, however they can be found for as little as HK$1,400.

  • 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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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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