How many flights depart from Hong Kong to Ko Samui on average per week?

As of September 2025, 42 flights take off from Hong Kong and land in Ko Samui each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

What is the cheapest airline that flies from Hong Kong Intl to Ko Samui?

Bangkok Airways, EVA Air, and Hong Kong Airlines are the most popular carriers operating from Hong Kong Intl to Ko Samui

How many flights depart from Hong Kong to Ko Samui on average per day?

The number of flights available between Hong Kong and Ko Samui is 6 per day as of September 2025. The most frequent departure time is 4:00PM, with 100% of daily flights leaving in the afternoon.

When did momondo last update prices for flights from Hong Kong Intl Airport to Ko Samui Airport?

Prices for flights from Hong Kong Intl Airport to Ko Samui Airport are updated daily.

How many operators does momondo search for flights from Hong Kong Intl Airport to Ko Samui Airport?

There are 2 operators available for flights from Hong Kong Intl Airport to Ko Samui Airport as of September 2025.

How old do you have to be to fly from Hong Kong Intl Airport to Ko Samui Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Hong Kong Intl Airport to Ko Samui Airport.

What documentation or ID do you need to fly to Ko Samui Airport?

The travel and health documents you'll need for your trip to Ko Samui Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ko Samui Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$147 Cheap Flights from Hong Kong to Ko Samui in 2025/26

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Find the cheapest flights from Hong Kong to Ko Samui

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

4:55 pm - 7:10 amHKG-USM

15h 15m1 stop

8:15 am - 3:30 pmUSM-HKG

6h 15m1 stop

$313

Find Deal

Tue, Oct 28 - Tue, Nov 4

4:55 pm - 7:20 amHKG-USM

15h 25m1 stop

5:40 pm - 6:35 pmUSM-HKG

23h 55m1 stop

$319

Find Deal

Mon, Oct 6 - Tue, Oct 14

4:55 pm - 7:20 amHKG-USM

15h 25m1 stop

8:45 am - 6:35 pmUSM-HKG

8h 50m1 stop

$330

Find Deal

Wed, Oct 15 - Wed, Oct 22

12:30 pm - 6:50 pmHKG-USM

7h 20m1 stop

8:55 am - 5:10 pmUSM-HKG

7h 15m1 stop

$359Singapore Airlines

Find Deal

Tue, Nov 4 - Sun, Nov 9

12:30 pm - 6:50 pmHKG-USM

7h 20m1 stop

7:45 pm - 11:20 amUSM-HKG

14h 35m1 stop

$378Singapore Airlines

Find Deal

Thu, Oct 30 - Sun, Nov 2

4:15 pm - 6:35 pmHKG-USM

3h 20mnonstop

10:55 am - 3:15 pmUSM-HKG

3h 20mnonstop

$449Bangkok Airways

Find Deal

Wed, Oct 15 - Wed, Oct 22

5:05 pm - 7:35 pmHKG-USM

3h 30mnonstop

11:40 am - 3:55 pmUSM-HKG

3h 15mnonstop

$478Bangkok Airways

Find Deal

Tue, Oct 28 - Tue, Nov 4

11:20 am - 7:10 amHKG-USM

20h 50m2 stops

7:55 am - 8:50 pmUSM-HKG

11h 55m2 stops

$494EVA Air

Find Deal

Tue, Oct 28 - Tue, Nov 4

1:30 pm - 7:10 amHKG-USM

18h 40m2 stops

10:00 am - 8:50 pmUSM-HKG

9h 50m2 stops

$504EVA Air

Find Deal

Thu, Dec 18 - Mon, Dec 22

9:00 pm - 8:40 amHKG-USM

12h 40m1 stop

7:55 am - 5:40 pmUSM-HKG

8h 45m1 stop

$515Emirates

Find Deal

Fri, Dec 5 - Tue, Dec 9

Singapore Airlines flights from Hong Kong to Ko Samui

Our best Singapore Airlines deals on Hong Kong to Ko Samui flight tickets

Singapore Airlines

Nov 4

HKG12:30 pmHong Kong Intl

7h 20m

1 stop

USM6:50 pmKo Samui

Nov 9

USM8:55 amKo Samui

7h 15m

1 stop

HKG5:10 pmHong Kong Intl

$359

Find similar

Singapore Airlines

Oct 30

HKG12:30 pmHong Kong Intl

7h 20m

1 stop

USM6:50 pmKo Samui

Nov 2

USM7:45 pmKo Samui

14h 35m

1 stop

HKG11:20 amHong Kong Intl

$378

Find similar

Singapore Airlines

Nov 17

HKG9:05 amHong Kong Intl

10h 45m

1 stop

USM6:50 pmKo Samui

Nov 25

USM8:55 amKo Samui

7h 15m

1 stop

HKG5:10 pmHong Kong Intl

$457

Find similar

Bangkok Airways flights from Hong Kong to Ko Samui

Our best Bangkok Airways deals on Hong Kong to Ko Samui flight tickets

Bangkok Airways

Oct 15

HKG4:15 pmHong Kong Intl

3h 20m

USM6:35 pmKo Samui

Oct 22

USM10:55 amKo Samui

3h 20m

HKG3:15 pmHong Kong Intl

$449

Find similar

Bangkok Airways

Oct 28

HKG5:05 pmHong Kong Intl

3h 30m

USM7:35 pmKo Samui

Nov 4

USM11:40 amKo Samui

3h 15m

HKG3:55 pmHong Kong Intl

$478

Find similar

Bangkok Airways

Nov 4

HKG5:05 pmHong Kong Intl

3h 30m

USM7:35 pmKo Samui

Nov 9

USM11:40 amKo Samui

3h 15m

HKG3:55 pmHong Kong Intl

$495

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Tue 10/28

4:55 pm-7:10 am

1 stop15h 15m

Ko Samui

Tue 11/4

8:15 am-3:30 pm

1 stop6h 15m

$313

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Mon 10/6

4:55 pm-7:20 am

1 stop15h 25m

Ko Samui

Tue 10/14

5:40 pm-6:35 pm

1 stop23h 55m

$319

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Wed 10/15

4:55 pm-7:20 am

1 stop15h 25m

Ko Samui

Wed 10/22

8:45 am-6:35 pm

1 stop8h 50m

$330

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Tue 11/4

12:30 pm-6:50 pm

1 stop7h 20m

Ko Samui

Sun 11/9

8:55 am-5:10 pm

1 stop7h 15m

$359

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Thu 10/30

12:30 pm-6:50 pm

1 stop7h 20m

Ko Samui

Sun 11/2

7:45 pm-11:20 am

1 stop14h 35m

$378

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Wed 10/15

4:15 pm-6:35 pm

Nonstop3h 20m

Ko Samui

Wed 10/22

10:55 am-3:15 pm

Nonstop3h 20m

$449

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Tue 10/28

5:05 pm-7:35 pm

Nonstop3h 30m

Ko Samui

Tue 11/4

11:40 am-3:55 pm

Nonstop3h 15m

$478

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Tue 10/28

11:20 am-7:10 am

2 stops20h 50m

Ko Samui

Tue 11/4

7:55 am-8:50 pm

2 stops11h 55m

$494

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Thu 12/18

1:30 pm-7:10 am

2 stops18h 40m

Ko Samui

Mon 12/22

10:00 am-8:50 pm

2 stops9h 50m

$504

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Fri 12/5

9:00 pm-8:40 am

1 stop12h 40m

Ko Samui

Tue 12/9

7:55 am-5:40 pm

1 stop8h 45m

$515

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Hong Kong to Ko Samui

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Ko Samui?

In general, September is the cheapest month to fly from Hong Kong to Ko Samui. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $480. If you don’t want to visit Ko Samui in September, then you should wait until May to fly from Hong Kong, when ticket prices are also cheap, with an average price of $493.

What is the cheapest day to depart on your flight to Ko Samui?

Our data shows that Tuesday is the least expensive day to fly to Ko Samui. Tickets to fly out on this day can be as low as $489. Flights from Hong Kong to Ko Samui on a Thursday will generally be more expensive and average around $689. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ko Samui?

Our data shows that the cheapest Hong Kong to Ko Samui flights are usually those with departure times in the afternoon. Our users have found flights to Ko Samui in the afternoon for as low as $578. In the evening is when there is more demand to fly to Ko Samui, so prices are often more expensive at around $1,753 per ticket.

What is the cheapest Hong Kong Intl to Ko Samui flight route?

Fly from Hong Kong Intl to Ko Samui for the best Hong Kong Intl - Ko Samui flight prices

How far in advance should I book a flight to Ko Samui?

You are more likely to see cheaper flights to Ko Samui from Hong Kong when booking weeks ahead of your departure date. In general, you can expect to find flights to Ko Samui for around $561 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ko Samui from Hong Kong for as low as $477 on momondo.

What cabin class options are available on Hong Kong Intl to Ko Samui flights?

There are 2 cabin classes available to choose from on Hong Kong Intl to Ko Samui flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Hong Kong to Ko Samui flight prices changed over time?

As of September 2025, prices for Hong Kong to Ko Samui flights are approximately 11% cheaper when compared to flights at the same time last year.

When to book flights from Hong Kong to Ko Samui

Are you open to changing your travel dates? Check out the ideal times to fly from Hong Kong to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Hong Kong to Ko Samui (HKG to USM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Hong Kong to Ko Samui

Best Price Found	$284
Fastest flight time	3h 20m
Direct flights	Every day
Airports in Ko Samui	1 airport

The best one-way flight to Ko Samui from Hong Kong in the past 72 hours is $284. The best round-trip flight deal from Hong Kong to Ko Samui found on momondo in the last 72 hours is $468.

The fastest flight from Hong Kong to Ko Samui takes 3h 20m

Direct flights go from Hong Kong to Ko Samui every day.

There is 1 airport near Ko Samui: Ko Samui (USM)

Search flight deals

How far is Hong Kong Intl to Ko Samui by plane?
Hong Kong Intl and Ko Samui are 1286.7 mi apart from one another. Flights usually cover this in 3h 20m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Hong Kong Intl Airport to Ko Samui Airport?
Prices for flights from Hong Kong Intl Airport to Ko Samui Airport are updated daily.
How many operators does momondo search for flights from Hong Kong Intl Airport to Ko Samui Airport?
There are 2 operators available for flights from Hong Kong Intl Airport to Ko Samui Airport as of September 2025.
How old do you have to be to fly from Hong Kong Intl Airport to Ko Samui Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Hong Kong Intl Airport to Ko Samui Airport.
What documentation or ID do you need to fly to Ko Samui Airport?
The travel and health documents you'll need for your trip to Ko Samui Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ko Samui Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Hong Kong to Ko Samui?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Hong Kong to Ko Samui is Airbus A319 (97.91% of total bookings). The next most popular plane model is Airbus A318/A319/A320/A321 (2.09%).
What is the most popular airline from Hong Kong to Ko Samui?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Hong Kong to Ko Samui is Bangkok Airways (90% of total bookings). The next most popular airline is Cathay Pacific (10%).

Best airlines flying from Hong Kong to Ko Samui

Compare and see reviews for airlines that fly from Hong Kong to Ko Samui with momondo

Airline	Rating	Free Cancellation	Price
Bangkok Airways	PriceFrom $393	Free Cancellation	Rating 8.0 113 reviews		Search Bangkok Airways flights
Cathay Pacific	PriceFrom $639	Free Cancellation	Rating 7.6 993 reviews		Search Cathay Pacific flights

Bangkok Airways Flights From Hong Kong to Ko Samui
Bangkok Airways operates around 7 flights from Hong Kong to Ko Samui every week. The average price of these flights found in the last 72 hours has been $559, but momondo users have found Bangkok Airways deals from Hong Kong to Ko Samui from as low as $393 round-trip. Bangkok Airways has been scored 8.0/10 in 113 reviews.
Cathay Pacific Flights From Hong Kong to Ko Samui
Cathay Pacific (7.6/10 from 993 reviews) operates around 7 flights from Hong Kong to Ko Samui in any given week. The average Cathay Pacific airfare for this route is around $770, with deals from around $639 rare but found on momondo. Referenced prices are for round-trip Hong Kong to Ko Samui flight searches in the last 72 hours.

Ko Pha Ngan

Ko Tao

Khanom

Why use momondo?

Why should I use momondo to find a flight deal from Hong Kong to Ko Samui?

It is quick and easy to find Hong Kong to Ko Samui flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ko Samui that suits you.

Can I find flights from Hong Kong to Ko Samui with flexible booking policies on momondo?

All flight searches from Hong Kong to Ko Samui on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Hong Kong to Ko Samui?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Hong Kong to Ko Samui.

I’m not ready to book a flight from Hong Kong to Ko Samui right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Hong Kong to Ko Samui flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Ko Samui trip

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Cheap flights from Hong Kong to Ko Samui from $147

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hong Kong to Ko Samui departing on 10/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Cheap round-trip flights

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Singapore Airlines flights from Hong Kong to Ko Samui

Our best Singapore Airlines deals on Hong Kong to Ko Samui flight tickets

Bangkok Airways flights from Hong Kong to Ko Samui

Our best Bangkok Airways deals on Hong Kong to Ko Samui flight tickets

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Use the filters below to find and compare flights from Hong Kong to Ko Samui that are best for you.

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How to get the cheapest flight ticket from Hong Kong to Ko Samui

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ko Samui?

What is the cheapest day to depart on your flight to Ko Samui?

What is the cheapest time of day to depart on your flight to Ko Samui?

What is the cheapest Hong Kong Intl to Ko Samui flight route?

Fly from Hong Kong Intl to Ko Samui for the best Hong Kong Intl - Ko Samui flight prices

How far in advance should I book a flight to Ko Samui?

What cabin class options are available on Hong Kong Intl to Ko Samui flights?

There are 2 cabin classes available to choose from on Hong Kong Intl to Ko Samui flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Hong Kong to Ko Samui flight prices changed over time?

As of September 2025, prices for Hong Kong to Ko Samui flights are approximately 11% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Hong Kong Intl to Ko Samui?

Bangkok Airways, EVA Air, and Hong Kong Airlines are the most popular carriers operating from Hong Kong Intl to Ko Samui

How many flights depart from Hong Kong to Ko Samui on average per day?

The number of flights available between Hong Kong and Ko Samui is 6 per day as of September 2025. The most frequent departure time is 4:00PM, with 100% of daily flights leaving in the afternoon.

How many flights depart from Hong Kong to Ko Samui on average per week?

As of September 2025, 42 flights take off from Hong Kong and land in Ko Samui each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

When to book flights from Hong Kong to Ko Samui

Cheap Hong Kong to Ko Samui (HKG to USM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Hong Kong to Ko Samui

Best Price Found

Fastest flight time

Direct flights

Airports in Ko Samui

How far is Hong Kong Intl to Ko Samui by plane?

When did momondo last update prices for flights from Hong Kong Intl Airport to Ko Samui Airport?

How many operators does momondo search for flights from Hong Kong Intl Airport to Ko Samui Airport?

How old do you have to be to fly from Hong Kong Intl Airport to Ko Samui Airport?

What documentation or ID do you need to fly to Ko Samui Airport?

What is the most popular plane model from Hong Kong to Ko Samui?

What is the most popular airline from Hong Kong to Ko Samui?

Best airlines flying from Hong Kong to Ko Samui

Compare and see reviews for airlines that fly from Hong Kong to Ko Samui with momondo

Bangkok Airways Flights From Hong Kong to Ko Samui

Cathay Pacific Flights From Hong Kong to Ko Samui

Traveling to a place near Ko Samui?

Why use momondo?

Why should I use momondo to find a flight deal from Hong Kong to Ko Samui?

Can I find flights from Hong Kong to Ko Samui with flexible booking policies on momondo?

How can momondo help me find flights from Hong Kong to Ko Samui?

I’m not ready to book a flight from Hong Kong to Ko Samui right now. Can momondo alert me if prices change?

An easier way to manage your Ko Samui trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Thailand

Airports servicing Thailand