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

Bangkok Airways, Emirates, and EVA Air 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 week?

As of July 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.

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 July 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 July 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.

$152 Cheap Flights from Hong Kong to Ko Samui in 2025

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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 - 7:20 amHKG-USM

15h 25m1 stop

7:00 am - 3:05 pmUSM-HKG

7h 05m1 stop

$296

Find Deal

Tue, Sep 23 - Sat, Sep 27

4:55 pm - 7:20 amHKG-USM

15h 25m1 stop

8:45 am - 6:20 pmUSM-HKG

8h 35m1 stop

$314

Find Deal

Fri, Sep 12 - Fri, Sep 19

9:05 am - 6:30 pmHKG-USM

10h 25m1 stop

8:45 am - 11:00 pmUSM-HKG

13h 15m1 stop

$334Singapore Airlines

Find Deal

Tue, Sep 9 - Thu, Sep 18

9:05 am - 6:30 pmHKG-USM

10h 25m1 stop

8:45 am - 11:00 pmUSM-HKG

13h 15m1 stop

$335Singapore Airlines

Find Deal

Fri, Sep 12 - Sun, Sep 21

4:15 pm - 6:35 pmHKG-USM

3h 20mnonstop

10:55 am - 3:15 pmUSM-HKG

3h 20mnonstop

$444Bangkok Airways

Find Deal

Tue, Sep 23 - Sat, Sep 27

4:15 pm - 6:35 pmHKG-USM

3h 20mnonstop

10:55 am - 3:15 pmUSM-HKG

3h 20mnonstop

$470Bangkok Airways

Find Deal

Tue, Sep 30 - Sat, Oct 11

10:10 am - 7:20 amHKG-USM

22h 10m2 stops

5:35 pm - 10:05 amUSM-HKG

15h 30m2 stops

$491EVA Air

Find Deal

Tue, Sep 23 - Sat, Sep 27

7:40 pm - 8:15 amHKG-USM

13h 35m2 stops

8:45 am - 8:45 pmUSM-HKG

11h 00m2 stops

$493EVA Air

Find Deal

Sat, Oct 4 - Thu, Oct 9

4:15 pm - 6:35 pmHKG-USM

3h 20mnonstop

10:55 am - 3:15 pmUSM-HKG

3h 20mnonstop

$592Cathay Pacific

Find Deal

Fri, Sep 12 - Sun, Sep 21

4:15 pm - 6:35 pmHKG-USM

3h 20mnonstop

10:55 am - 3:15 pmUSM-HKG

3h 20mnonstop

$629Cathay Pacific

Find Deal

Mon, Oct 6 - Sat, Oct 11

Emirates flights from Hong Kong to Ko Samui

Our best Emirates deals on Hong Kong to Ko Samui flight tickets

Emirates

Oct 24

HKG9:30 pmHong Kong Intl

13h 40m

1 stop

USM10:10 amKo Samui

Nov 2

USM7:00 amKo Samui

9h 40m

1 stop

HKG5:40 pmHong Kong Intl

$542

Find similar

Emirates

Aug 10

HKG9:30 pmHong Kong Intl

13h 40m

1 stop

USM10:10 amKo Samui

Aug 19

USM8:00 amKo Samui

33h 05m

3 stops

HKG6:05 pmHong Kong Intl

$9,657

Find similar

Cathay Pacific flights from Hong Kong to Ko Samui

Our best Cathay Pacific deals on Hong Kong to Ko Samui flight tickets

Cathay Pacific

Sep 12

HKG4:15 pmHong Kong Intl

3h 20m

USM6:35 pmKo Samui

Sep 21

USM10:55 amKo Samui

3h 20m

HKG3:15 pmHong Kong Intl

$592

Find similar

Cathay Pacific

Oct 6

HKG4:15 pmHong Kong Intl

3h 20m

USM6:35 pmKo Samui

Oct 11

USM10:55 amKo Samui

3h 20m

HKG3:15 pmHong Kong Intl

$629

Find similar

Cathay Pacific

Aug 8

HKG4:15 pmHong Kong Intl

3h 20m

USM6:35 pmKo Samui

Aug 11

USM10:55 amKo Samui

3h 20m

HKG3:15 pmHong Kong Intl

$683

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Tue 9/23

4:55 pm-7:20 am

1 stop15h 25m

Ko Samui

Sat 9/27

7:00 am-3:05 pm

1 stop7h 05m

$296

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Fri 9/12

4:55 pm-7:20 am

1 stop15h 25m

Ko Samui

Fri 9/19

8:45 am-6:20 pm

1 stop8h 35m

$314

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Tue 9/9

9:05 am-6:30 pm

1 stop10h 25m

Ko Samui

Thu 9/18

8:45 am-11:00 pm

1 stop13h 15m

$334

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Fri 9/12

9:05 am-6:30 pm

1 stop10h 25m

Ko Samui

Sun 9/21

8:45 am-11:00 pm

1 stop13h 15m

$335

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Tue 9/23

4:15 pm-6:35 pm

Nonstop3h 20m

Ko Samui

Sat 9/27

10:55 am-3:15 pm

Nonstop3h 20m

$444

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Tue 9/30

4:15 pm-6:35 pm

Nonstop3h 20m

Ko Samui

Sat 10/11

10:55 am-3:15 pm

Nonstop3h 20m

$470

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Tue 9/23

10:10 am-7:20 am

2 stops22h 10m

Ko Samui

Sat 9/27

5:35 pm-10:05 am

2 stops15h 30m

$491

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Sat 10/4

7:40 pm-8:15 am

2 stops13h 35m

Ko Samui

Thu 10/9

8:45 am-8:45 pm

2 stops11h 00m

$493

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

$592

Hong KongKo Samui

HKG - USM

HKGUSM

Hong Kong Intl

Mon 10/6

4:15 pm-6:35 pm

Nonstop3h 20m

Ko Samui

Sat 10/11

10:55 am-3:15 pm

Nonstop3h 20m

$629

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, November 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 $488. If you don’t want to visit Ko Samui in November, 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 $501. Flights from Hong Kong to Ko Samui on a Thursday will generally be more expensive and average around $693. 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 $567. 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 $458 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 July 2025, prices for Hong Kong to Ko Samui flights are approximately 26% 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	$152
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 $152. The best round-trip flight deal from Hong Kong to Ko Samui found on momondo in the last 72 hours is $296.

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 July 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 (97.80% of total bookings). The next most popular plane model is Airbus A318/A319/A320/A321 (2.20%).
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 8.0 112 reviews		Search Bangkok Airways flights
Cathay Pacific	PriceFrom $543	Free Cancellation	Rating 7.6 949 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 $562, 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 112 reviews.
Cathay Pacific Flights From Hong Kong to Ko Samui
Cathay Pacific (7.6/10 from 949 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 $757, with deals from around $543 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

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.

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Cheap flights from Hong Kong to Ko Samui from $152

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 9/18. 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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Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Hong Kong to Ko Samui

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Emirates flights from Hong Kong to Ko Samui

Our best Emirates deals on Hong Kong to Ko Samui flight tickets

Cathay Pacific flights from Hong Kong to Ko Samui

Our best Cathay Pacific 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

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 July 2025, prices for Hong Kong to Ko Samui flights are approximately 26% 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, Emirates, and EVA Air 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 July 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 July 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