Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Hong Kong to Ko Samui from HK$1,177

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 19-1. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — USM
3 Sep — 10 Sep1
1 adult

Cheapflights Tip: The best prices from Hong Kong to Ko Samui are usually found in November or May, booked 47 days in advance, depart on a Friday or Wednesday and return on a Monday

Cheap flight deals from Hong Kong to Ko Samui

Keep the following information in mind while searching for Hong Kong to Ko Samui flight deals. Data was last updated 29 August 2025.

Round-trip from

HK$2,322

One-way from

HK$1,177

Popular in

July

Cheapest in

November

Average price

HK$4,715

Good round-trip deal

HK$3,525 or less
Scoot
  • Scoot
  • 11-10-19-10
  • 2 total stops
  • 35h 55m total
  • Hong Kong to Ko Samui
Search Deals
19-1
  • 19-1
  • 1 total stop
  • 17h 50m total
  • Hong Kong to Ko Samui
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (HK$1,484 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (HK$363 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals
Price to beat on a round-trip flight from Hong Kong to Ko Samui.
Search Deals

Find flight deals from Hong Kong to Ko Samui

Cheapest flights from Hong Kong to Ko Samui
Explore the most affordable flight options available from Hong Kong to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Sat 11-1016:25HKG - USM
1 stop16h 25mScoot
Sun 19-1008:45USM - HKG
1 stop19h 30mScoot
Deal found 28-8HK$2,322
Tue 11-1121:00HKG - USM
1 stop22h 50mScoot
Tue 18-1108:55USM - HKG
1 stop10h 05mScoot
Deal found 27-8HK$2,354
Tue 9-921:05HKG - USM
1 stop11h 45mScoot
Thu 18-919:25USM - HKG
1 stop21h 55mScoot
Deal found 27-8HK$2,400
Sun 7-920:25HKG - USM
1 stop12h 25mScoot
Sat 13-908:45USM - HKG
1 stop8h 35mScoot
Deal found 28-8HK$2,408
Sun 12-1022:05HKG - USM
1 stop10h 15mMultiple Airlines
Sun 19-1007:00USM - HKG
1 stop6h 25mMultiple Airlines
Deal found 28-8HK$2,416
Sat 11-1022:05HKG - USM
1 stop10h 15mMultiple Airlines
Sat 18-1007:00USM - HKG
1 stop15h 40mMultiple Airlines
Deal found 27-8HK$2,424
Sat 11-1022:05HKG - USM
1 stop10h 15mMultiple Airlines
Sun 19-1019:40USM - HKG
1 stop8h 35mMultiple Airlines
Deal found 26-8HK$2,431
Tue 9-921:05HKG - USM
1 stop11h 45mScoot
Tue 23-917:40USM - HKG
1 stop23h 40mScoot
Deal found 27-8HK$2,478
Mon 8-919:20HKG - USM
1 stop13h 30mScoot
Tue 23-919:25USM - HKG
1 stop21h 55mScoot
Deal found 27-8HK$2,486

Cheapflights Fare Finder

 
Customise your flight search to find flights from Hong Kong to Ko Samui that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 70,647 searches. Data last updated 29 August 2025.
Use the filters below to find and compare flights from Hong Kong to Ko Samui that are best for you.

Fly from

Hong Kong

Fly to

Ko Samui

Route

Departure

Return

Price

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 11-10

16:25-07:50

1 stop16h 25m

Ko Samui

Sun 19-10

08:45-05:15

1 stop19h 30m

HK$2,322

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 11-10

14:20-07:20

1 stop18h 00m

Ko Samui

Sun 19-10

19:40-05:15

1 stop8h 35m

HK$2,400

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Tue 9-9

21:05-07:50

1 stop11h 45m

Ko Samui

Thu 18-9

19:25-18:20

1 stop21h 55m

HK$2,400

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Mon 20-10

06:15-18:30

1 stop13h 15m

Ko Samui

Sun 26-10

17:40-20:00

1 stop25h 20m

HK$2,408

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sun 12-10

22:05-07:20

1 stop10h 15m

Ko Samui

Sun 19-10

07:00-14:25

1 stop6h 25m

HK$2,416

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 25-10

16:25-08:00

1 stop16h 35m

Ko Samui

Sat 1-11

11:45-15:30

1 stop26h 45m

HK$2,416

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Thu 13-11

16:30-16:45

1 stop25h 15m

Ko Samui

Mon 24-11

11:45-20:00

1 stop7h 15m

HK$2,416

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 11-10

22:05-07:20

1 stop10h 15m

Ko Samui

Sat 18-10

07:00-23:40

1 stop15h 40m

HK$2,424

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Tue 14-10

13:30-21:35

1 stop9h 05m

Ko Samui

Sat 18-10

07:00-23:40

1 stop15h 40m

HK$2,447

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Mon 19-1

14:20-07:10

1 stop17h 50m

HK$1,177

Flights are sorted by cheapest return flights first.

Deals found on 28-8

Showing 1-10 of 20 results
1
2

Best time to book a flight from Hong Kong to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Hong Kong 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 from Hong Kong to Ko Samui

How far ahead should I book a flight from Hong Kong 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 22 August 2025.

The price you pay for your flight from Hong Kong to Ko Samui may vary depending on when you book. For the best chance of a lower fare, look to book 47 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest time of day to fly from HK to USM?

Find hourly flight availability from Hong Kong to Ko Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 August 2025.

A simple way to save on the total cost of your ticket is to fly from Hong Kong to Ko Samui at midday. If you’re flexible enough to do this you can expect to save up to 64% on your trip compared to booking a flight in the afternoon.

Weekly flight availability from Hong Kong to Ko Samui

Explore weekly flight availability from Hong Kong to Ko Samui. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 29 August 2025.

The most flights from HK0 to USM are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

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 29 August 2025.
Read reviews from past customers who have flown with Bangkok Airways and Cathay Pacific from Hong Kong to Ko Samui. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Bangkok Airways
8.0
Very Good
112 reviews
Check prices

Boarding

7.9

Comfort

7.8

Food

7.2

Entertainment

6.2

Overall

8.0

Crew

8.5

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.
Bangkok Airways
8.0
Very Good
112 reviews
Bangkok Airways
8.0
Very Good
112 reviews
Check prices

Boarding

7.9

Comfort

7.8

Food

7.2

Entertainment

6.2

Overall

8.0

Crew

8.5

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.
Cathay Pacific
7.6
Good
977 reviews
Bangkok Airways
8.0
Very Good
112 reviews
Check prices

Boarding

7.9

Comfort

7.8

Food

7.2

Entertainment

6.2

Overall

8.0

Crew

8.5

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.

Related info for your journey

Find useful and relevant information for your journey from Hong Kong to Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Most people fly into Ko Samui (USM) if they book a flight to Ko Samui from Hong Kong. Ko Samui is conveniently located just 3.3 km from Ko Samui’s city centre.

  • How popular is this Hong Kong to Ko Samui flight route?

    This flight path from Hong Kong to Ko Samui was viewed by 79 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Hong Kong to Ko Samui?

    Departing from Hong Kong to Ko Samui will take you 16h 25m. The distance between Hong Kong and Ko Samui is about 2047 km.

  • What are the cheapest airlines flying from Hong Kong to Ko Samui round-trip?

    Currently priced at HK$2,895, Bangkok Airways will fly you from Hong Kong to Ko Samui and back. In addition to Bangkok Airways, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Cathay Pacific for as low as HK$4,593. Bangkok Airways is priced at 33% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Hong Kong to Ko Samui?

    Before booking your flight to Ko Samui from Hong Kong, have a look at the most reliable airlines to get you to your destination on time: Hong Kong Airlines (73%), Qatar Airways (73%), KLM( 73%).

  • What are the cheapest flights from Hong Kong to Ko Samui?

    The cheapest flight price from Hong Kong to Ko Samui is HK$3,487. On average you can expect to pay HK$4,530. The most popular route, (Hong Kong Intl - Ko Samui), can usually be booked for HK$2,260.

  • Can I find deals for flights from Hong Kong to Ko Samui that include hotel bookings?

    Yes. In addition to deals on Hong Kong to Ko Samui flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Hong Kong to Ko Samui?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to Ko Samui.

  • Can I find deals for business class flights from Hong Kong to Ko Samui?

    Yes. Cheapflights offers flight deals from Hong Kong to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Hong Kong to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.
Hong Kong to Phuket City flights
Hong Kong to Chiang Mai flights
Hong Kong to Ko Samui flights
Hong Kong to Krabi flights

Top 2 airlines flying from Hong Kong to Ko Samui

Discover the top 2 airlines that operate flights from Hong Kong to Ko Samui. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 70,647 searches. Data last updated 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapestHK$2,895AverageHK$4,123FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights
Cathay PacificCheapestHK$4,593AverageHK$5,658FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Hong Kong to Ko Samui?

Cheapflights makes it easy to find Hong Kong to Ko Samui flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Hong Kong to Ko Samui for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Ko Samui from Hong Kong? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Hong Kong to Ko Samui become cheaper?

Yes, Cheapflights offers price alerts on Hong Kong to Ko Samui flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.