How often are flights from Hong Kong to Ko Samui delayed?

Historically, on average around 15% of flights between Hong Kong and Ko Samui have experienced a delay on any given week. The average delay length over the past 12 months has been 111 minutes.

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 8 per day as of October 2025. The most frequent departure time is 5:00PM, with 100% of daily flights leaving in the afternoon.

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

What is the most punctual flight time for Hong Kong to Ko Samui flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Hong Kong to Ko Samui flights?

According to our data, Cathay Pacific have had the least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

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

As of October 2025, 56 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 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 is 1 operator available for flights from Hong Kong Intl Airport to Ko Samui Airport as of October 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.

$161 Cheap Flights from Hong Kong to Ko Samui in 2025/26

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4:55 pm - 7:45 amHKG-USM

15h 50m1 stop

12:00 pm - 3:20 pmUSM-HKG

26h 20m1 stop

$341Multiple Airlines

Find Deal

mié., nov. 19 - lun., nov. 24

4:55 pm - 7:45 amHKG-USM

15h 50m1 stop

8:15 am - 3:30 pmUSM-HKG

6h 15m1 stop

$354Multiple Airlines

Find Deal

mié., nov. 19 - mié., nov. 26

4:55 pm - 7:45 amHKG-USM

15h 50m1 stop

8:15 am - 3:30 pmUSM-HKG

6h 15m1 stop

$359Multiple Airlines

Find Deal

mié., nov. 12 - mar., nov. 25

4:55 pm - 7:45 amHKG-USM

15h 50m1 stop

8:15 am - 3:30 pmUSM-HKG

6h 15m1 stop

$360Multiple Airlines

Find Deal

lun., nov. 24 - jue., nov. 27

10:15 pm - 7:45 amHKG-USM

10h 30m1 stop

8:15 am - 3:40 pmUSM-HKG

6h 25m1 stop

$363Multiple Airlines

Find Deal

mié., nov. 19 - sáb., nov. 22

10:15 pm - 7:45 amHKG-USM

10h 30m1 stop

8:15 am - 3:30 pmUSM-HKG

6h 15m1 stop

$370Multiple Airlines

Find Deal

jue., nov. 20 - mié., nov. 26

10:15 pm - 7:45 amHKG-USM

10h 30m1 stop

8:15 am - 3:30 pmUSM-HKG

6h 15m1 stop

$373Multiple Airlines

Find Deal

sáb., nov. 22 - mié., nov. 26

10:15 pm - 7:45 amHKG-USM

10h 30m1 stop

8:15 am - 3:30 pmUSM-HKG

6h 15m1 stop

$378Multiple Airlines

Find Deal

jue., nov. 20 - mar., nov. 25

5:05 pm - 7:35 pmHKG-USM

3h 30mnonstop

11:40 am - 3:55 pmUSM-HKG

3h 15mnonstop

$459Bangkok Airways

Find Deal

sáb., nov. 15 - sáb., nov. 22

5:05 pm - 7:35 pmHKG-USM

3h 30mnonstop

11:40 am - 3:55 pmUSM-HKG

3h 15mnonstop

$478Bangkok Airways

Find Deal

mié., nov. 19 - dom., nov. 23

Bangkok Airways flights from Hong Kong to Ko Samui

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

Bangkok Airways

Nov 15

HKG5:05 pmHong Kong Intl

3h 30m

USM7:35 pmKo Samui

Nov 22

USM11:40 amKo Samui

3h 15m

HKG3:55 pmHong Kong Intl

$459

Find similar

Bangkok Airways

Nov 19

HKG5:05 pmHong Kong Intl

3h 30m

USM7:35 pmKo Samui

Nov 23

USM11:40 amKo Samui

3h 15m

HKG3:55 pmHong Kong Intl

$478

Find similar

Bangkok Airways

Nov 19

HKG5:05 pmHong Kong Intl

3h 30m

USM7:35 pmKo Samui

Nov 22

USM11:40 amKo Samui

3h 15m

HKG3:55 pmHong Kong Intl

$506

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Fly from

Fly to

Route

Depart

Return

Price

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

mié. 11/19

4:55 pm-7:45 am

1 stop15h 50m

Ko Samui

lun. 11/24

12:00 pm-3:20 pm

1 stop26h 20m

$341

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

mié. 11/19

4:55 pm-7:45 am

1 stop15h 50m

Ko Samui

mié. 11/26

8:15 am-3:30 pm

1 stop6h 15m

$354

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

mié. 11/12

4:55 pm-7:45 am

1 stop15h 50m

Ko Samui

mar. 11/25

8:15 am-3:30 pm

1 stop6h 15m

$359

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

lun. 11/24

4:55 pm-7:45 am

1 stop15h 50m

Ko Samui

jue. 11/27

8:15 am-3:30 pm

1 stop6h 15m

$360

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

mié. 11/19

10:15 pm-7:45 am

1 stop10h 30m

Ko Samui

sáb. 11/22

8:15 am-3:40 pm

1 stop6h 25m

$363

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

jue. 11/20

10:15 pm-7:45 am

1 stop10h 30m

Ko Samui

mié. 11/26

8:15 am-3:30 pm

1 stop6h 15m

$370

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

sáb. 11/22

10:15 pm-7:45 am

1 stop10h 30m

Ko Samui

mié. 11/26

8:15 am-3:30 pm

1 stop6h 15m

$373

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

jue. 11/20

10:15 pm-7:45 am

1 stop10h 30m

Ko Samui

mar. 11/25

8:15 am-3:30 pm

1 stop6h 15m

$378

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

sáb. 11/15

5:05 pm-7:35 pm

Nonstop3h 30m

Ko Samui

sáb. 11/22

11:40 am-3:55 pm

Nonstop3h 15m

$459

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

mié. 11/19

5:05 pm-7:35 pm

Nonstop3h 30m

Ko Samui

dom. 11/23

11:40 am-3:55 pm

Nonstop3h 15m

$478

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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

Delays

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 $455. If you don’t want to visit Ko Samui in September, then you should wait until November to fly from Hong Kong, when ticket prices are also cheap, with an average price of $491.

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

Our data shows that Wednesday is the least expensive day to fly to Ko Samui. Tickets to fly out on this day can be as low as $499. Flights from Hong Kong to Ko Samui on a Thursday will generally be more expensive and average around $664. 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 $563. 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 $556 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 $468 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 October 2025, prices for Hong Kong to Ko Samui flights are approximately 14% 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

Fastest flight time	3h 30m
Direct flights	Every day
Airports in Ko Samui	1 airport

The fastest flight from Hong Kong to Ko Samui takes 3h 30m

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 30m, 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 is 1 operator available for flights from Hong Kong Intl Airport to Ko Samui Airport as of October 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 (98.14% of total bookings). The next most popular plane model is Airbus A318/A319/A320/A321 (1.86%).
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 (100% of total bookings).

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 $365	Free Cancellation	Rating 8.0 115 reviews		Search Bangkok Airways 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 $535, but momondo users have found Bangkok Airways deals from Hong Kong to Ko Samui from as low as $365 round-trip. Bangkok Airways has been scored 8.0/10 in 115 reviews.

Ko Pha Ngan

Ko Tao

Khanom

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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 $161

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 1/13. 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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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 October 2025, prices for Hong Kong to Ko Samui flights are approximately 14% 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 often are flights from Hong Kong to Ko Samui delayed?

Historically, on average around 15% of flights between Hong Kong and Ko Samui have experienced a delay on any given week. The average delay length over the past 12 months has been 111 minutes.

What is the most punctual flight time for Hong Kong to Ko Samui flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Hong Kong to Ko Samui flights?

According to our data, Cathay Pacific have had the least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

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 8 per day as of October 2025. The most frequent departure time is 5:00PM, 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 October 2025, 56 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

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

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