HK$1,411+ Cheap flights to Ko Samui

— USM
9 Dec — 16 Dec1
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

Sun 8-1107:25 -
1 stop11h 05m
Sun 15-1118:05 -
1 stop25h 30m
Deal found 7-11HK$3,135
Mon 16-1116:55 -
1 stop15h 15m
Mon 23-1106:45 -
1 stop20h 45m
Deal found 7-11HK$3,143
Wed 2-1221:40 -
1 stop10h 30m
Sat 5-1208:15 -
1 stop6h 15m
Deal found 6-11HK$3,277
Fri 6-1121:00 -
2 stops35h 10m
Fri 13-1111:40 -
Nonstop3h 15m
Deal found 5-11HK$3,324

Find flight deals to Ko Samui

Return from

HK$3,026

One-way from

HK$1,411

Popular in

December

Cheapest in

November

Average price

HK$4,421

Good round-trip deal

HK$4,992 or less

Good one-way deal

HK$1,842 or less
3-3-9-3
  • 3-3-9-3
  • 2 total stops
  • 17h 05m total
  • Hong Kong to Ko Samui
17-11-31-12
  • 17-11-31-12
  • 1 total stop
  • 15h 15m total
  • Hong Kong to Ko Samui
Highest demand for flights based on searches. 4% potential increase in price (HK$238 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (HK$118 potential savings vs. average return price).
Average for return flights in November 2026
Price to beat on a round-trip flight from Hong Kong Intl to Ko Samui.
Price to beat on a one-way flight from Hong Kong Intl to Ko Samui.

Cheapflights Fare Finder

 
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 Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Tue 17-11

16:55-07:10

1 stop15h 15m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,434

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Wed 18-11

16:55-19:35

1 stop27h 40m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,693

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Fri 22-1

14:00-06:55

1 stop17h 55m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,709

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Fri 26-3

20:30-07:10

1 stop11h 40m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,881

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Sun 31-1

21:40-12:20

1 stop15h 40m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$2,101

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Thu 21-1

08:10-18:55

2 stops11h 45m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$2,171

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Thu 24-12

12:05-20:50

1 stop9h 45m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$2,375

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Tue 22-12

14:00-20:30

1 stop7h 30m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$2,555

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Sat 5-12

07:55-16:15

2 stops9h 20m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$2,720
Fastest return journey

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Sun 31-1

17:05-19:35

Nonstop3h 30m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$2,932

Flights are sorted by cheapest return flights first.

Deals found on 8-11

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

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 1 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

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.

Crew

8.5

Boarding

8.1

Food

7.3

Overall

8.1

Entertainment

6.3

Comfort

7.9

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

Crew

8.5

Boarding

8.1

Food

7.3

Overall

8.1

Entertainment

6.3

Comfort

7.9

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

Crew

8.5

Boarding

8.1

Food

7.3

Overall

8.1

Entertainment

6.3

Comfort

7.9

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

Crew

8.5

Boarding

8.1

Food

7.3

Overall

8.1

Entertainment

6.3

Comfort

7.9

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 3 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$1,842, while return flights cost around HK$4,326.

  • How much is a return flight to Ko Samui?

    A return flight to Ko Samui will typically cost around HK$5,277, however they can be found for as little as HK$4,326.

  • 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 Pha Ngan
Ko Tao

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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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