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Ko Samui

$205+ Cheap flights from Hong Kong (HKG) to Ko Samui (USM)

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — USM
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Hong Kong Intl to Ko Samui are usually found in November or May, booked 47 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap 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 July 3, 2025.

Round-trip from

$343
(Kiwi.com)

One-way from

$205
(Mytrip)

Popular in

April

Cheapest in

November

Average price

$598

Good round-trip deal

$520 or less
From Hong Kong Intl to Ko Samui
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One-way flight from Hong Kong Intl to Ko Samui
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Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Hong Kong Intl to Ko Samui.
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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 July 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2310:05 pmHKG - USM
1 stop10h 10mMultiple Airlines
Sat 8/302:50 pmUSM - HKG
1 stop7h 50mMultiple Airlines
Deal found 7/3$343
This Emirates deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/129:30 pmHKG - USM
1 stop12h 50mEmirates
Sun 9/218:45 amUSM - HKG
1 stop8h 20mEmirates
Deal found 7/3$387
This Singapore Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/239:05 amHKG - USM
1 stop8h 40mSingapore Airlines
Fri 9/512:05 pmUSM - HKG
1 stop9h 55mSingapore Airlines
Deal found 7/1$450
This Booking.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/174:15 pmHKG - USM
Nonstop3h 20mBangkok Airways
Thu 8/710:55 amUSM - HKG
Nonstop3h 20mBangkok Airways
Deal found 7/3$474
This Gotogate deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/237:40 pmHKG - USM
2 stops13h 35mEVA Air
Sat 8/301:50 pmUSM - HKG
2 stops18h 00mEVA Air
Deal found 7/3$572
This Cathay Pacific deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/124:15 pmHKG - USM
Nonstop3h 20mCathay Pacific
Sun 9/2110:55 amUSM - HKG
Nonstop3h 20mCathay Pacific
Deal found 7/3$593

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated July 3, 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

Depart

Return

Price

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 8/23

10:05 pm-7:15 am

1 stop10h 10m

Ko Samui

Sat 8/30

2:50 pm-11:40 pm

1 stop7h 50m

$343

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Fri 9/12

9:30 pm-9:20 am

1 stop12h 50m

Ko Samui

Sun 9/21

8:45 am-6:05 pm

1 stop8h 20m

$387

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 8/23

9:05 am-4:45 pm

1 stop8h 40m

Ko Samui

Fri 9/5

12:05 pm-11:00 pm

1 stop9h 55m

$450

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Thu 7/17

4:15 pm-6:35 pm

Nonstop3h 20m

Ko Samui

Thu 8/7

10:55 am-3:15 pm

Nonstop3h 20m

$474

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 8/23

7:40 pm-8:15 am

2 stops13h 35m

Ko Samui

Sat 8/30

1:50 pm-8:50 am

2 stops18h 00m

$572

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Fri 9/12

4:15 pm-6:35 pm

Nonstop3h 20m

Ko Samui

Sun 9/21

10:55 am-3:15 pm

Nonstop3h 20m

$593

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Wed 7/9

7:55 am-8:25 pm

1 stop13h 30m

$205

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Fri 11/28

5:05 pm-7:35 pm

Nonstop3h 30m

$259

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Thu 7/10

4:15 pm-6:35 pm

Nonstop3h 20m

$380

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sun 10/5

6:20 pm-8:50 pm

2 stops27h 30m

$422

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 11 results
1
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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 round-trip 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 round-trip flight from Hong Kong to Ko Samui. Price data was last updated on June 27, 2025.

The best time to book flights from Hong Kong to Ko Samui is 47 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 July 3, 2025.

It’s typically best to fly out from Hong Kong to Ko Samui at noon. Doing so could potentially save you 68% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 July 3, 2025.

The most flights from HKG 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).

How much does it cost to fly round-trip from Hong Kong to Ko Samui?

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 July 3, 2025.
Get a feel of what it's like to fly with EVA Air, Emirates, and Singapore Airlines from Hong Kong to Ko Samui by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,214 reviews

Crew

8.6

Food

8.1

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
EVA Air
8.4
Very good
1,214 reviews
EVA Air
8.4
Very good
1,214 reviews

Crew

8.6

Food

8.1

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Emirates
8.1
Very good
3,287 reviews
EVA Air
8.4
Very good
1,214 reviews

Crew

8.6

Food

8.1

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Singapore Airlines
8.1
Very good
1,320 reviews
EVA Air
8.4
Very good
1,214 reviews

Crew

8.6

Food

8.1

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Bangkok Airways
8.0
Very good
111 reviews
EVA Air
8.4
Very good
1,214 reviews

Crew

8.6

Food

8.1

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Cathay Pacific
7.6
Good
924 reviews
EVA Air
8.4
Very good
1,214 reviews

Crew

8.6

Food

8.1

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

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?

    To fly from Hong Kong to Ko Samui, you need to book a flight from Hong Kong Intl (HKG) to Ko Samui (USM). Nonstop flights to Ko Samui from Hong Kong Intl take 3h 20m on average. When it comes time to book airfare, you have a few options: there are 6 outbound flights from Hong Kong Intl to Ko Samui offered by 2 different airlines.

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

    Flying on Emirates is currently your cheapest option to Ko Samui, with prices starting at $387. Additional round-trip tickets that might be worth considering are offered by Singapore Airlines and Bangkok Airways, with the lowest prices starting at $450 and $474, respectively. Emirates is priced at 30% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Hong Kong to Ko Samui one-way?

    The cheapest airlines for a one-way flight from Hong Kong to Ko Samui are Bangkok Airways ($259), Hong Kong Airlines ($380), and Philippine Airlines ($422).

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

    Consider Hong Kong Airlines (74%), Qatar Airways (74%) or KLM (74%) when booking your flight. These represent the most reliable airlines when flying from Hong Kong to Ko Samui.

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

    While on average a flight from Hong Kong to Ko Samui is generally $625, our data shows the cheapest flight currently is $508. When looking at the most popular route, (Hong Kong Intl - Ko Samui), you can expect to pay $457 for that flight.

  • 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 vacation 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

Traveling to a place near Hong Kong?

Book flights to Hong Kong if you plan to visit one of these locations
Ko Tao
Ko Pha Ngan

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Alternative routes for Hong Kong to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.
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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 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest$393Average$563FlexibilityNo cancel feeOn-time74%
Cathay PacificCheapest$543Average$757FlexibilityNo cancel feeOn-time72%

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