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 13% of their flights experiencing any sort of delay.

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.

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

As of December 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.

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

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

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 December 2025. The most frequent departure time is 5:00PM, with 100% of daily flights leaving in the afternoon.

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

Historically, on average around 14% 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 113 minutes.

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 December 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.

$213 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:10 pm - 9:20 am

HKG

USM

13h 10m1 stop

5:50 pm - 6:05 pm

USM

HKG

23h 15m1 stop

$525Emirates

Sun, May 17 - Thu, May 21

3:30 pm - 7:45 am

HKG

USM

17h 15m2 stops

7:15 am - 8:05 pm

USM

HKG

11h 50m2 stops

$527EVA Air

Tue, Jan 20 - Wed, Jan 28

5:05 pm - 7:35 pm

HKG

USM

3h 30mnonstop

11:40 am - 3:55 pm

USM

HKG

3h 15mnonstop

$529Bangkok Airways

Tue, Jan 20 - Wed, Jan 28

9:10 pm - 1:45 pm

HKG

USM

17h 35m2 stops

7:10 pm - 10:05 am

USM

HKG

13h 55m2 stops

$535EVA Air

Wed, May 20 - Mon, May 25

4:05 pm - 7:10 am

HKG

USM

16h 05m1 stop

7:15 am - 3:30 pm

USM

HKG

7h 15m1 stop

$536Bangkok Airways

Sat, Mar 14 - Sat, Mar 21

10:10 am - 7:10 am

HKG

USM

22h 00m2 stops

9:00 am - 9:00 am

USM

HKG

23h 00m2 stops

$537EVA Air

Sat, Mar 14 - Sat, Mar 21

8:25 pm - 7:50 am

HKG

USM

12h 25m1 stop

9:30 pm - 7:05 am

USM

HKG

8h 35m1 stop

$549Multiple Airlines

Wed, Dec 31 - Sun, Jan 4

9:00 pm - 8:10 am

HKG

USM

12h 10m1 stop

10:00 am - 5:40 pm

USM

HKG

6h 40m1 stop

$550Multiple Airlines

Sat, Mar 14 - Sat, Mar 21

5:05 pm - 7:35 pm

HKG

USM

3h 30mnonstop

8:30 am - 3:30 pm

USM

HKG

6h 00m1 stop

$553Bangkok Airways

Thu, Mar 12 - Mon, Mar 16

10:10 am - 8:05 am

HKG

USM

22h 55m2 stops

9:00 am - 9:00 am

USM

HKG

23h 00m2 stops

$558EVA Air

Thu, Mar 12 - Mon, Mar 16

EVA Air flights from Hong Kong to Ko Samui

Our best EVA Air deals on Hong Kong to Ko Samui flight tickets

EVA Air

Jan 20

HKG3:30 pmHong Kong Intl

17h 15m

2 stops

USM7:45 amKo Samui

Jan 28

USM7:15 amKo Samui

11h 50m

2 stops

HKG8:05 pmHong Kong Intl

$527

Find similar

EVA Air

May 20

HKG9:10 pmHong Kong Intl

17h 35m

2 stops

USM1:45 pmKo Samui

May 25

USM7:10 pmKo Samui

13h 55m

2 stops

HKG10:05 amHong Kong Intl

$535

Find similar

EVA Air

Mar 14

HKG10:10 amHong Kong Intl

22h 00m

2 stops

USM7:10 amKo Samui

Mar 21

USM9:00 amKo Samui

23h 00m

2 stops

HKG9:00 amHong Kong Intl

$537

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

Jan 20

HKG5:05 pmHong Kong Intl

3h 30m

USM7:35 pmKo Samui

Jan 28

USM11:40 amKo Samui

3h 15m

HKG3:55 pmHong Kong Intl

$529

Find similar

Bangkok Airways

Mar 14

HKG4:05 pmHong Kong Intl

16h 05m

1 stop

USM7:10 amKo Samui

Mar 21

USM7:15 amKo Samui

7h 15m

1 stop

HKG3:30 pmHong Kong Intl

$536

Find similar

Bangkok Airways

Mar 12

HKG5:05 pmHong Kong Intl

3h 30m

USM7:35 pmKo Samui

Mar 16

USM8:30 amKo Samui

6h 00m

1 stop

HKG3:30 pmHong Kong Intl

$553

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sun 5/17

9:10 pm-9:20 am

1 stop13h 10m

Ko Samui

Thu 5/21

5:50 pm-6:05 pm

1 stop23h 15m

$525

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Tue 1/20

3:30 pm-7:45 am

2 stops17h 15m

Ko Samui

Wed 1/28

7:15 am-8:05 pm

2 stops11h 50m

$527

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Tue 1/20

5:05 pm-7:35 pm

Nonstop3h 30m

Ko Samui

Wed 1/28

11:40 am-3:55 pm

Nonstop3h 15m

$529

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Wed 5/20

9:10 pm-1:45 pm

2 stops17h 35m

Ko Samui

Mon 5/25

7:10 pm-10:05 am

2 stops13h 55m

$535

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 3/14

4:05 pm-7:10 am

1 stop16h 05m

Ko Samui

Sat 3/21

7:15 am-3:30 pm

1 stop7h 15m

$536

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 3/14

10:10 am-7:10 am

2 stops22h 00m

Ko Samui

Sat 3/21

9:00 am-9:00 am

2 stops23h 00m

$537

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Wed 12/31

8:25 pm-7:50 am

1 stop12h 25m

Ko Samui

Sun 1/4

9:30 pm-7:05 am

1 stop8h 35m

$549

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 3/14

9:00 pm-8:10 am

1 stop12h 10m

Ko Samui

Sat 3/21

10:00 am-5:40 pm

1 stop6h 40m

$550

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Thu 3/12

5:05 pm-7:35 pm

Nonstop3h 30m

Ko Samui

Mon 3/16

8:30 am-3:30 pm

1 stop6h 00m

$553

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Thu 3/12

10:10 am-8:05 am

2 stops22h 55m

Ko Samui

Mon 3/16

9:00 am-9:00 am

2 stops23h 00m

$558

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

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 $454. 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 $479.

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 $485. Flights from Hong Kong to Ko Samui on a Saturday will generally be more expensive and average around $662. 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 $544. 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 $560 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 December 2025, prices for Hong Kong to Ko Samui flights are approximately 5% 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	$270
Fastest flight time	3h 30m
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 $270. The best round-trip flight deal from Hong Kong to Ko Samui found on momondo in the last 72 hours is $456.

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 in Ko Samui. From Hong Kong there are direct flights to 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 are 2 operators available for flights from Hong Kong Intl Airport to Ko Samui Airport as of December 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 (98.60% of total bookings). The next most popular plane model is Airbus A318/A319/A320/A321 (1.40%).
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 (86% of total bookings). The next most popular airline is Cathay Pacific (14%).

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 8.0 118 reviews		Search Bangkok Airways flights
Cathay Pacific	PriceFrom $576	Free Cancellation	Rating 7.6 1,095 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 $514, 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 118 reviews.
Cathay Pacific Flights From Hong Kong to Ko Samui
Cathay Pacific (7.6/10 from 1,095 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 $639, with deals from around $576 rare but found on momondo. Referenced prices are for round-trip Hong Kong to Ko Samui flight searches in the last 72 hours.

Ko Tao

Ko Pha Ngan

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 $213

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 12/31. 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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EVA Air flights from Hong Kong to Ko Samui

Our best EVA Air deals on Hong Kong to Ko Samui flight tickets

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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.

See travel insights to Ko Samui from

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

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 December 2025, prices for Hong Kong to Ko Samui flights are approximately 5% cheaper when compared to flights at the same time last year.

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

Historically, on average around 14% 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 113 minutes.

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

Generally, flights departing in the evening 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 13% 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 December 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 December 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

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