Cheap flights from Hong Kong to Ko Samui from HK$1,307
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 11-5. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — USM
1 Feb — 8 Feb1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Hong Kong Intl to Ko Samui are usually found in September or November, booked 47 days in advance, depart on a Friday or Monday and return on a Monday
Cheap flight deals from Hong Kong to Ko Samui
Enter your travel dates to find the best prices.
Best flights from Hong Kong to Ko Samui
Discover carefully curated flight deals from Hong Kong to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 January 2026.
Sun 15-308:30HKG - USM
1 stop13h 50mBangkok Airways
Sat 21-311:40USM - HKG
Nonstop3h 15mBangkok Airways
Deal found 1-1HK$4,179
Sun 5-420:20HKG - USM
2 stops15h 10mMultiple Airlines
Mon 13-409:15USM - HKG
1 stop5h 40mMultiple Airlines
Deal found 1-1HK$4,187
Wed 18-316:05HKG - USM
1 stop6h 15mBangkok Airways
Sat 21-311:40USM - HKG
Nonstop3h 15mBangkok Airways
Deal found 1-1HK$4,218
Thu 12-316:25HKG - USM
1 stop16h 35mMultiple Airlines
Mon 16-311:40USM - HKG
Nonstop3h 15mMultiple Airlines
Deal found 30-12HK$4,234
Sat 14-314:30HKG - USM
1 stop6h 55mBangkok Airways
Sat 21-311:40USM - HKG
Nonstop3h 15mBangkok Airways
Deal found 31-12HK$4,249
Wed 1-414:20HKG - USM
1 stop6h 25mMultiple Airlines
Sat 11-411:55USM - HKG
Nonstop3h 25mMultiple Airlines
Deal found 1-1HK$4,358
Fri 20-322:10HKG - USM
1 stop10h 00mBangkok Airways
Sat 21-311:40USM - HKG
Nonstop3h 15mBangkok Airways
Deal found 1-1HK$4,249
Sat 14-313:45HKG - USM
1 stop8h 35mBangkok Airways
Tue 24-307:15USM - HKG
1 stop7h 15mBangkok Airways
Deal found 1-1HK$4,280
Sun 15-317:05HKG - USM
Nonstop3h 30mBangkok Airways
Thu 19-311:40USM - HKG
Nonstop3h 15mBangkok Airways
Deal found 31-12HK$4,288
Thu 19-317:05HKG - USM
Nonstop3h 30mBangkok Airways
Sun 22-307:15USM - HKG
1 stop8h 25mBangkok Airways
Deal found 1-1HK$4,327
Thu 19-312:00HKG - USM
1 stop7h 55mBangkok Airways
Sat 21-311:40USM - HKG
Nonstop3h 15mBangkok Airways
Deal found 1-1HK$4,366
Direct flights from Hong Kong to Ko Samui
Explore direct flight options from Hong Kong to Ko Samui based on user searches, and compare prices and availability for your desired travel dates. Data last updated 2 January 2026.
Tue 17-317:05HKG - USM
Nonstop3h 30mBangkok Airways
Thu 26-311:40USM - HKG
Nonstop3h 15mBangkok Airways
Deal found 1-1HK$4,241
Sun 15-317:05HKG - USM
Nonstop3h 30mBangkok Airways
Thu 19-311:40USM - HKG
Nonstop3h 15mBangkok Airways
Deal found 31-12HK$4,288
Sat 14-317:05HKG - USM
Nonstop3h 30mBangkok Airways
Sat 21-311:40USM - HKG
Nonstop3h 15mBangkok Airways
Deal found 31-12HK$4,296
Mon 2-217:05HKG - USM
Nonstop3h 30mBangkok Airways
Thu 12-211:40USM - HKG
Nonstop3h 15mBangkok Airways
Deal found 1-1HK$4,459
Sat 14-317:05HKG - USM
Nonstop3h 30mBangkok Airways
Thu 26-311:40USM - HKG
Nonstop3h 15mBangkok Airways
Deal found 1-1HK$4,467
Thu 5-217:05HKG - USM
Nonstop3h 30mBangkok Airways
Sat 7-211:40USM - HKG
Nonstop3h 15mBangkok Airways
Deal found 31-12HK$4,584
Wed 20-517:20HKG - USM
Nonstop3h 20mBangkok Airways
Mon 25-511:55USM - HKG
Nonstop3h 25mBangkok Airways
Deal found 31-12HK$4,592
Thu 12-317:05HKG - USM
Nonstop3h 30mBangkok Airways
Mon 16-311:40USM - HKG
Nonstop3h 15mBangkok Airways
Deal found 30-12HK$4,623
Tue 17-317:05HKG - USM
Nonstop3h 30mMultiple Airlines
Tue 24-311:40USM - HKG
Nonstop3h 15mMultiple Airlines
Deal found 1-1HK$4,662
Sun 8-217:05HKG - USM
Nonstop3h 30mBangkok Airways
Fri 13-211:40USM - HKG
Nonstop3h 15mBangkok Airways
Deal found 1-1HK$4,677
Last-minute flights from Hong Kong to Ko Samui
Discover last-minute flight deals from Hong Kong to Ko Samui. Data last updated 2 January 2026 and is based on user searches.
Thu 1-107:25HKG - USM
1 stop8h 55mMultiple Airlines
Fri 9-119:45USM - HKG
2 stops21h 45mMultiple Airlines
Deal found 31-12HK$4,187
Mon 5-107:25HKG - USM
1 stop14h 20mMultiple Airlines
Thu 5-211:40USM - HKG
Nonstop3h 15mMultiple Airlines
Deal found 30-12HK$4,483
Mon 5-117:05HKG - USM
Nonstop3h 30mBangkok Airways
Thu 5-211:40USM - HKG
Nonstop3h 15mBangkok Airways
Deal found 30-12HK$4,926
Mon 5-119:40HKG - USM
2 stops13h 05mEVA Air
Thu 5-207:55USM - HKG
2 stops11h 10mEVA Air
Deal found 30-12HK$5,129
Wed 7-117:05HKG - USM
Nonstop3h 30mHong Kong Airlines
Wed 14-111:40USM - HKG
Nonstop3h 15mHong Kong Airlines
Deal found 1-1HK$4,833
Fri 9-114:20HKG - USM
1 stop7h 55mMultiple Airlines
Sun 11-111:40USM - HKG
Nonstop3h 15mMultiple Airlines
Deal found 30-12HK$4,537
Fri 9-115:30HKG - USM
2 stops17h 00mEVA Air
Sun 11-121:20USM - HKG
2 stops21h 45mEVA Air
Deal found 30-12HK$4,630
Fri 16-115:30HKG - USM
2 stops17h 00mEVA Air
Thu 22-121:20USM - HKG
2 stops11h 50mEVA Air
Deal found 2-1HK$4,514
Fri 23-114:20HKG - USM
1 stop7h 55mMultiple Airlines
Thu 29-119:00USM - HKG
2 stops9h 35mMultiple Airlines
Deal found 1-1HK$4,428
One-way flights from Hong Kong to Ko Samui
Search for one-way flight options from Hong Kong to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 2 January 2026.
Mon 11-516:55HKG - USM
1 stop15h 15mMultiple Airlines
Deal found 31-12HK$1,307
Sun 26-407:40HKG - USM
1 stop24h 30mMultiple Airlines
Deal found 31-12HK$1,354
Sat 16-516:55HKG - USM
1 stop15h 15mMultiple Airlines
Deal found 31-12HK$1,362
Sat 21-316:55HKG - USM
1 stop15h 15mMultiple Airlines
Deal found 1-1HK$1,393
Fri 20-316:55HKG - USM
1 stop15h 15mMultiple Airlines
Deal found 1-1HK$1,416
Sat 18-413:30HKG - USM
1 stop18h 40mMultiple Airlines
Deal found 31-12HK$1,463
Wed 7-114:20HKG - USM
1 stop18h 10mMultiple Airlines
Deal found 1-1HK$1,782
Tue 13-118:50HKG - USM
2 stops25h 00mMultiple Airlines
Deal found 2-1HK$1,790
Sun 25-111:25HKG - USM
2 stops21h 35mMultiple Airlines
Deal found 1-1HK$1,806
Wed 21-116:25HKG - USM
1 stop16h 35mScoot
Deal found 1-1HK$1,813
Thu 8-113:30HKG - USM
1 stop6h 10mMultiple Airlines
Deal found 1-1HK$1,829
Find flight deals from Hong Kong to Ko Samui
Discover tips and strategies to find the most affordable flight options for your journey from Hong Kong (HKG) to Ko Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 2 January 2026.
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 2 January 2026.
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
Sun 15-3
08:30-21:20
1 stop13h 50m
Ko Samui
Sat 21-3
11:40-15:55
Nonstop3h 15m
HK$4,179
Hong KongKo Samui
HKG - USM
HKGUSM
Hong Kong Intl
Sun 5-4
20:20-10:30
2 stops15h 10m
Ko Samui
Mon 13-4
09:15-15:55
1 stop5h 40m
HK$4,187
Hong KongKo Samui
HKG - USM
HKGUSM
Hong Kong Intl
Wed 18-3
16:05-21:20
1 stop6h 15m
Ko Samui
Sat 21-3
11:40-15:55
Nonstop3h 15m
HK$4,218
Hong KongKo Samui
HKG - USM
HKGUSM
Hong Kong Intl
Thu 12-3
16:25-08:00
1 stop16h 35m
Ko Samui
Mon 16-3
11:40-15:55
Nonstop3h 15m
HK$4,234
Hong KongKo Samui
HKG - USM
HKGUSM
Hong Kong Intl
Sat 14-3
14:30-20:25
1 stop6h 55m
Ko Samui
Sat 21-3
11:40-15:55
Nonstop3h 15m
HK$4,249
Hong KongKo Samui
HKG - USM
HKGUSM
Hong Kong Intl
Fri 20-3
22:10-07:10
1 stop10h 00m
Ko Samui
Sat 21-3
11:40-15:55
Nonstop3h 15m
HK$4,249
Hong KongKo Samui
HKG - USM
HKGUSM
Hong Kong Intl
Sat 14-3
13:45-21:20
1 stop8h 35m
Ko Samui
Tue 24-3
07:15-15:30
1 stop7h 15m
HK$4,280
Hong KongKo Samui
HKG - USM
HKGUSM
Hong Kong Intl
Sun 15-3
17:05-19:35
Nonstop3h 30m
Ko Samui
Thu 19-3
11:40-15:55
Nonstop3h 15m
HK$4,288
Hong KongKo Samui
HKG - USM
HKGUSM
Hong Kong Intl
Thu 19-3
17:05-19:35
Nonstop3h 30m
Ko Samui
Sun 22-3
07:15-16:40
1 stop8h 25m
HK$4,327
Hong KongKo Samui
HKG - USM
HKGUSM
Hong Kong Intl
Wed 1-4
14:20-19:45
1 stop6h 25m
Ko Samui
Sat 11-4
11:55-16:20
Nonstop3h 25m
HK$4,358
Flights are sorted by cheapest return flights first.
Deals found on 31-12
Showing 1-10 of 21 results
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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
Prices
Airlines
Delays
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 26 December 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 month to book a flight from Hong Kong to Ko Samui?
Currently, June is the cheapest month in which you can book a flight from Hong Kong to Ko Samui (average of HK$1,891). Flying from Hong Kong to Ko Samui in February is currently the most expensive (average of HK$3,915). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from HKG 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 2 January 2026.
When flying from Hong Kong to Ko Samui, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost for a return flight from Hong Kong to Ko Samui?
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 2 January 2026.
The most flights from HKG to USM are scheduled on a Monday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).
How often are flights from Hong Kong to Ko Samui delayed?
About 14% of weekly flights between Hong Kong and Ko Samui have experienced delays in the past year, with the average delay time being 113 minutes.
What is the most punctual flight time for Hong Kong to Ko Samui flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Hong Kong to Ko Samui flights?
Over the past year, Cathay Pacific have had the lowest number of delays on this route, with just 13% of flights being delayed.
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 2 January 2026.
See what other customers who have flown with Bangkok Airways, 泰國航空, andCathay Pacific from Hong Kong to Ko Samui have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
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.
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.
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.
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 airports do I use to fly from Hong Kong to Ko Samui?
Booking a flight from Hong Kong Intl (HKG) to Ko Samui (USM) is your only option if you wish to fly from Hong Kong to Ko Samui. On a typical day, there are 8 flights from Hong Kong Intl to Ko Samui, all of which are around 3h 20m for a nonstop flight. You can also purchase a plane ticket from 3 airlines when you book a flight from Hong Kong Intl to Ko Samui.
How popular is this Hong Kong to Ko Samui flight route?
This flight path from Hong Kong Intl to Ko Samui was viewed by 52 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 13h 50m. 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$2,609, 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. Search Cheapflights for deals from 泰國航空 and Cathay Pacific - these airlines can fly you to your destination from HK$4,179 and HK$4,587, respectively. Bangkok Airways is priced at 39% 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?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Hong Kong to Ko Samui on time: Hong Kong Airlines (84%), Qatar Airways (84%), KLM (84%).
What are the cheapest flights from Hong Kong to Ko Samui?
On average you can expect to pay HK$5,958 for a flight from Hong Kong to Ko Samui. The cheapest flight overall is HK$3,813 while the most popular route, (Hong Kong Intl - Ko Samui) is currently priced at HK$2,763.
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.
What is the cheapest month to book a flight from Hong Kong to Ko Samui?
Currently, June is the cheapest month in which you can book a flight from Hong Kong to Ko Samui (average of HK$1,891). Flying from Hong Kong to Ko Samui in February is currently the most expensive (average of HK$3,915). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Book flights to Ko Samui if you plan to visit one of these locations
Ko Tao
Ko Pha Ngan
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Fly from Hong Kong to Ko Samui on these airlines
Choose from the following airlines for your flight from Hong Kong to Ko Samui. Flights are based on user searches made on Cheapflights and were last updated on 2 January 2026.
Discover the top 3 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 2 January 2026.
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 goes through 900+ travel sites to look for the best flight deals for flights from Hong Kong to Ko Samui. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Hong Kong to Ko Samui?
Cheapflights helps you find that perfect flight to Ko Samui from Hong Kong by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Hong Kong to Ko Samui with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Hong Kong to Ko Samui flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Hong Kong to Ko Samui become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!
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