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HK$1,212+ 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
28 Mar — 4 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 26 February 2026.

Fri 29-521:30
HKG
-
USM
1 stop10h 40m
Multiple Airlines
Tue 9-607:50
USM
-
HKG
1 stop11h 25m
Multiple Airlines
Deal found 22-2HK$2,518
Fri 29-521:30
HKG
-
USM
1 stop10h 40m
Multiple Airlines
Mon 8-607:50
USM
-
HKG
1 stop11h 25m
Multiple Airlines
Deal found 22-2HK$2,542
Sat 30-521:30
HKG
-
USM
1 stop10h 40m
Multiple Airlines
Mon 8-607:50
USM
-
HKG
1 stop11h 25m
Multiple Airlines
Deal found 22-2HK$2,557
Thu 28-521:30
HKG
-
USM
1 stop10h 40m
Multiple Airlines
Mon 8-607:50
USM
-
HKG
1 stop11h 25m
Multiple Airlines
Deal found 22-2HK$2,565
Wed 27-521:30
HKG
-
USM
1 stop10h 40m
Multiple Airlines
Wed 10-606:55
USM
-
HKG
1 stop11h 20m
Multiple Airlines
Deal found 22-2HK$2,589
Mon 7-907:25
HKG
-
USM
1 stop9h 20m
Multiple Airlines
Mon 21-906:00
USM
-
HKG
1 stop7h 20m
Multiple Airlines
Deal found 22-2HK$2,604
Mon 20-421:30
HKG
-
USM
1 stop10h 40m
Multiple Airlines
Mon 27-406:00
USM
-
HKG
1 stop7h 20m
Multiple Airlines
Deal found 23-2HK$2,659
Sun 19-421:30
HKG
-
USM
1 stop10h 40m
Multiple Airlines
Fri 24-406:00
USM
-
HKG
1 stop13h 15m
Multiple Airlines
Deal found 23-2HK$2,698
Tue 8-907:25
HKG
-
USM
1 stop6h 20m
Multiple Airlines
Mon 21-907:50
USM
-
HKG
1 stop11h 25m
Multiple Airlines
Deal found 22-2HK$2,714
Mon 13-407:25
HKG
-
USM
1 stop14h 25m
Multiple Airlines
Mon 20-411:05
USM
-
HKG
1 stop7h 40m
Multiple Airlines
Deal found 25-2HK$2,722
Fri 17-421:30
HKG
-
USM
1 stop10h 40m
Multiple Airlines
Tue 28-406:00
USM
-
HKG
1 stop7h 20m
Multiple Airlines
Deal found 25-2HK$2,745
Tue 8-907:25
HKG
-
USM
1 stop6h 20m
Multiple Airlines
Tue 22-907:50
USM
-
HKG
1 stop11h 25m
Multiple Airlines
Deal found 22-2HK$2,761

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 26 February 2026.

Return from

HK$2,573

One-way from

HK$1,212

Popular in

February

Cheapest in

September

Average price

HK$5,529

Good round-trip deal

HK$4,272 or less
13-6-19-6
  • 13-6-19-6
  • 2 total stops
  • 30h 05m total
  • Hong Kong to Ko Samui
Search Deals
13-5
  • 13-5
  • 1 total stop
  • 6h 25m 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$106 potential savings vs. average return price).
Search Deals
Average for return flights in February 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 26 February 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

Wed 20-5

21:10-09:20

1 stop13h 10m

Ko Samui

Fri 22-5

07:50-18:05

1 stop9h 15m

HK$3,918

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Tue 12-5

17:20-19:40

Nonstop3h 20m

Ko Samui

Fri 15-5

11:55-16:20

Nonstop3h 25m

HK$3,949

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Tue 12-5

21:10-11:40

1 stop15h 30m

Ko Samui

Fri 15-5

21:00-18:05

1 stop20h 05m

HK$4,004

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Fri 29-5

17:20-19:40

Nonstop3h 20m

Ko Samui

Tue 9-6

11:55-16:20

Nonstop3h 25m

HK$4,849

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$4,903

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$5,029

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Wed 13-5

14:20-19:45

1 stop6h 25m

HK$1,212

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 7-3

07:25-20:50

1 stop14h 25m

HK$1,791

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Wed 15-4

18:40-18:50

2 stops25h 10m

HK$1,853

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Mon 13-4

18:40-07:45

2 stops14h 05m

HK$1,893

Flights are sorted by cheapest return flights first.

Deals found on 22-2

Showing 1-10 of 17 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 20 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 26 February 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

Comfort

8.0

Boarding

8.1

Entertainment

6.3

Overall

8.1

Food

7.3

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
125 reviews
Bangkok Airways
8.1
Very Good
125 reviews
Check prices

Comfort

8.0

Boarding

8.1

Entertainment

6.3

Overall

8.1

Food

7.3

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
7.8
Good
386 reviews
Bangkok Airways
8.1
Very Good
125 reviews
Check prices

Comfort

8.0

Boarding

8.1

Entertainment

6.3

Overall

8.1

Food

7.3

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
1,179 reviews
Bangkok Airways
8.1
Very Good
125 reviews
Check prices

Comfort

8.0

Boarding

8.1

Entertainment

6.3

Overall

8.1

Food

7.3

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$1,138, while return flights cost around HK$1,218.

  • How much is a return flight to Ko Samui?

    A return flight to Ko Samui will typically cost around HK$2,656, however they can be found for as little as HK$1,218.

  • 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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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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Yes, and it’s super simple to set up Price Alerts. Click the bell icon next to the flight deals above and provide your email address. That’s it!

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