How long is the flight from Ko Samui to Hong Kong?

For as low as ฿10,455, Scoot can have you in Hong Kong from Ko Samui in 20h 35m. There are 2047 km between Ko Samui and Hong Kong.

What is the cheapest airline to fly from Ko Samui to Hong Kong round-trip?

Cheapflights users have booked flights from Ko Samui to Hong Kong return from ฿13,437. You may be able to fly from Ko Samui to Hong Kong for 26% less than the average price by searching for this airline.

In terms of precipitation, rainfall in Hong Kong ranges from 20.0 - 390.0 inches per month. June is typically the wettest month, when rainfall can reach 390.0 mm. January is typically the driest time to visit Hong Kong when rainfall is around 20.0 mm.

If weather is an important factor for your trip to Hong Kong, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 16.0 C).

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

Consider Qatar Airways (58%), Hong Kong Airlines (57%) or เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์ (57%) when booking your flight. These represent the most reliable airlines when flying from Ko Samui to Hong Kong.

What airport do you fly from for flights from Ko Samui to Hong Kong?

If you book a flight to Hong Kong from Ko Samui, you will be flying from Ko Samui, which is the city’s only airport. Ko Samui (USM) is located 3.3 km from the centre of Ko Samui.

Can I find deals for flights from Ko Samui to Hong Kong that include hotel bookings?

Yes. In addition to deals on Ko Samui to Hong Kong flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Ko Samui to Hong Kong?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ko Samui to Hong Kong.

Can I find deals for business class flights from Ko Samui to Hong Kong?

Yes. Cheapflights offers flight deals from Ko Samui to Hong Kong by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

฿4,761+ Cheap Flights from Ko Samui to Hong Kong

Cheap flight deals from Ko Samui to Hong Kong

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Ko Samui to Hong Kong
Explore the most affordable flight options available from Ko Samui to Hong Kong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 September 2026.

Sun 1/1112:00 -

1 stop26h 40m

Mon 30/1116:40 -

1 stop27h 15m

Deal found 20/9฿10,422

Sun 1/1118:05 -

1 stop20h 35m

Sun 8/1116:40 -

1 stop19h 15m

Deal found 17/9฿10,455

Thu 15/1018:15 -

1 stop24h 30m

Sun 18/1020:45 -

1 stop14h 25m

Deal found 20/9฿11,054

Mon 2/1118:05 -

1 stop20h 35m

Mon 9/1107:25 -

1 stop11h 05m

Deal found 18/9฿11,354

Wed 28/1019:50 -

1 stop18h 50m

Wed 4/1107:50 -

1 stop5h 45m

Deal found 17/9฿11,621

Thu 15/1019:45 -

1 stop23h 00m

Wed 21/1021:30 -

1 stop10h 40m

Deal found 17/9฿12,053

Thu 5/1121:10 -

1 stop6h 20m

Thu 12/1121:40 -

1 stop10h 30m

Deal found 21/9฿12,686

Mon 23/1107:00 -

1 stop6h 35m

Tue 1/1221:40 -

1 stop10h 30m

Deal found 21/9฿12,952

Find flight deals from Ko Samui to Hong Kong

Round-trip from	฿10,422
One-way from	฿4,761
Popular in	July
Cheapest in	May
Average price	฿17,081

Scoot
1/11-30/11
2 total stops
53h 55m total
Ko Samui to Hong Kong

Search Deals

Scoot
27/10-31/12
1 total stop
20h 35m total
Ko Samui to Hong Kong

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (฿110,888 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (฿17,604 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Ko SamuiHong Kong

USM Ko Samui - HKG Hong Kong Intl

USMHKG

Ko Samui

Tue 27/10

18:05-15:40

1 stop20h 35m

Hong Kong Intl

Wed 31/12

00:00-23:00

Nonstop0h 00m

฿4,761

Ko SamuiHong Kong

USM Ko Samui - HKG Hong Kong Intl

USMHKG

Ko Samui

Sun 25/10

08:55-18:50

2 stops32h 55m

Hong Kong Intl

Wed 31/12

00:00-23:00

Nonstop0h 00m

฿8,524

Fastest return journey

Ko SamuiHong Kong

USM Ko Samui - HKG Hong Kong Intl

USMHKG

Ko Samui

Sat 6/3

11:40-15:55

Nonstop3h 15m

Hong Kong Intl

Wed 31/12

00:00-23:00

Nonstop0h 00m

฿9,057

Ko SamuiHong Kong

USM Ko Samui - HKG Hong Kong Intl

USMHKG

Ko Samui

Sat 6/2

14:30-17:40

1 stop26h 10m

Hong Kong Intl

Wed 31/12

00:00-23:00

Nonstop0h 00m

฿10,289

Ko SamuiHong Kong

USM Ko Samui - HKG Hong Kong Intl

USMHKG

Ko Samui

Sat 19/12

09:20-17:40

1 stop7h 20m

Hong Kong Intl

Wed 31/12

00:00-23:00

Nonstop0h 00m

฿11,387

Ko SamuiHong Kong

USM Ko Samui - HKG Hong Kong Intl

USMHKG

Ko Samui

Mon 28/9

11:55-16:20

Nonstop3h 25m

Hong Kong Intl

Wed 31/12

00:00-23:00

Nonstop0h 00m

฿11,654

Ko SamuiHong Kong

USM Ko Samui - HKG Hong Kong Intl

USMHKG

Ko Samui

Sat 6/2

11:40-15:55

Nonstop3h 15m

Hong Kong Intl

Wed 31/12

00:00-23:00

Nonstop0h 00m

฿11,687

Ko SamuiHong Kong

USM Ko Samui - HKG Hong Kong Intl

USMHKG

Ko Samui

Thu 15/10

19:45-19:45

1 stop23h 00m

Hong Kong Intl

Wed 21/10

21:30-07:10

1 stop10h 40m

฿12,852

Ko SamuiHong Kong

USM Ko Samui - HKG Hong Kong Intl

USMHKG

Ko Samui

Wed 28/10

11:40-15:55

Nonstop3h 15m

Hong Kong Intl

Wed 4/11

07:50-12:35

1 stop5h 45m

฿14,750

Ko SamuiHong Kong

USM Ko Samui - HKG Hong Kong Intl

USMHKG

Ko Samui

Sun 1/11

21:10-04:30

1 stop6h 20m

Hong Kong Intl

Sun 8/11

10:45-18:05

2 stops8h 20m

฿15,516

Flights are sorted by cheapest return flights first.

Deals found on 19/9

Showing 1-10 of 15 resultsSorted by cheapest first

Best time to book a flight from Ko Samui to Hong Kong

Have a flexible travel schedule? Discover the best time to fly to Hong Kong from Ko Samui with our price prediction graph.

USM-HKG

Estimated return 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 Ko Samui to Hong Kong

USM-HK0

USM-HKG

What is the cheapest time of day to fly from USM to HK?

When flying from Ko Samui to Hong Kong, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Ko Samui to Hong Kong

The most flights from USM to HK0 are scheduled on a Monday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

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

About 6% of weekly flights between Ko Samui and Hong Kong have experienced delays in the past year, with the average delay time being 119 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

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

Thursday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, Bangkok Airways have had the lowest number of delays on this route, with just 6% of flights being delayed.

Reviews of airlines servicing Hong Kong

Get a feel of what it's like to fly with Bangkok Airways from Ko Samui to Hong Kong by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Bangkok Airways

8.1

Very Good

133 reviews

Check prices

Reviews

1 / 8

10.0

Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect

Bangkok Airways

8.1

Very Good

133 reviews

Bangkok Airways

8.1

Very Good

133 reviews

Check prices

Reviews

1 / 8

10.0

Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect

Related info for your journey

What airport do you fly from for flights from Ko Samui to Hong Kong?
If you book a flight to Hong Kong from Ko Samui, you will be flying from Ko Samui, which is the city’s only airport. Ko Samui (USM) is located 3.3 km from the centre of Ko Samui.
How long is the flight from Ko Samui to Hong Kong?
For as low as ฿10,455, Scoot can have you in Hong Kong from Ko Samui in 20h 35m. There are 2047 km between Ko Samui and Hong Kong.
What is the cheapest airline to fly from Ko Samui to Hong Kong round-trip?
Cheapflights users have booked flights from Ko Samui to Hong Kong return from ฿13,437. You may be able to fly from Ko Samui to Hong Kong for 26% less than the average price by searching for this airline.
What are the most reliable airlines from Ko Samui to Hong Kong?
Consider Qatar Airways (58%), Hong Kong Airlines (57%) or เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์ (57%) when booking your flight. These represent the most reliable airlines when flying from Ko Samui to Hong Kong.
Can I find deals for flights from Ko Samui to Hong Kong that include hotel bookings?
Yes. In addition to deals on Ko Samui to Hong Kong flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Ko Samui to Hong Kong?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ko Samui to Hong Kong.
Can I find deals for business class flights from Ko Samui to Hong Kong?
Yes. Cheapflights offers flight deals from Ko Samui to Hong Kong 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

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Top airline flying from Ko Samui to Hong Kong

Airline	Cheapest	Average	Flexibility	On-time
Bangkok Airways	Cheapest฿13,437	Average฿14,785	FlexibilityNo cancel fee	On-time74%	Search Bangkok Airways flights

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How does Cheapflights help users find flights from Ko Samui to Hong Kong?

Deals for Ko Samui to Hong Kong flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ko Samui to Hong Kong?

Millions of users choose and trust Cheapflights to book the best flight deals from Ko Samui to Hong Kong for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ko Samui to Hong Kong with no change fees?

Certainly. Search results for flights to Hong Kong from Ko Samui shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ko Samui to Hong Kong become cheaper?

Yes! Start tracking prices for Ko Samui to Hong Kong flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Ko Samui to Hong Kong from ฿4,761

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ko Samui to Hong Kong

Cheapest flights from Ko Samui to Hong KongExplore the most affordable flight options available from Ko Samui to Hong Kong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 September 2026.

Explore the most affordable flight options available from Ko Samui to Hong Kong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 September 2026.

Best flights from Ko Samui to Hong KongDiscover carefully curated flight deals from Ko Samui to Hong Kong that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Discover carefully curated flight deals from Ko Samui to Hong Kong that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Direct flights from Ko Samui to Hong KongExplore direct flight options from Ko Samui to Hong Kong based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 September 2026.

Explore direct flight options from Ko Samui to Hong Kong based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 September 2026.

Last-minute flights from Ko Samui to Hong KongDiscover last-minute flight deals from Ko Samui to Hong Kong. Data last updated 21 September 2026 and is based on user searches.

Discover last-minute flight deals from Ko Samui to Hong Kong. Data last updated 21 September 2026 and is based on user searches.

One-way flights from Ko Samui to Hong KongSearch for one-way flight options from Ko Samui to Hong Kong. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.

Search for one-way flight options from Ko Samui to Hong Kong. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.

Find flight deals from Ko Samui to Hong Kong

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Ko Samui to Hong Kong

Have a flexible travel schedule? Discover the best time to fly to Hong Kong from Ko Samui with our price prediction graph.

Cheapflights Insights

What is the cheapest time of day to fly from USM to HK?

Find hourly flight availability from Ko Samui to Hong Kong. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 September 2026.

When flying from Ko Samui to Hong Kong, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Ko Samui to Hong Kong

The most flights from USM to HK0 are scheduled on a Monday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

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

About 6% of weekly flights between Ko Samui and Hong Kong have experienced delays in the past year, with the average delay time being 119 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

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

Thursday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, Bangkok Airways have had the lowest number of delays on this route, with just 6% of flights being delayed.

Reviews of airlines servicing Hong Kong

Get a feel of what it's like to fly with Bangkok Airways from Ko Samui to Hong Kong by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Ko Samui to Hong Kong?

How long is the flight from Ko Samui to Hong Kong?

What is the cheapest airline to fly from Ko Samui to Hong Kong round-trip?

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

Can I find deals for flights from Ko Samui to Hong Kong that include hotel bookings?

How can I find direct flights from Ko Samui to Hong Kong?

Can I find deals for business class flights from Ko Samui to Hong Kong?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ko Samui to Hong Kong

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Direct flights to

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Search flights from Ko Samui to Hong Kong by cabin class

Find flights from Ko Samui to Hong Kong, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ko Samui and Hong Kong flights

Browse other Ko Samui and Hong Kong flight options. Last updated on 21 September 2026.

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How does Cheapflights help users find flights from Ko Samui to Hong Kong?

Why should you use Cheapflights to find cheap flight tickets from Ko Samui to Hong Kong?

Can Cheapflights find flights from Ko Samui to Hong Kong with no change fees?

Can Cheapflights notify me if prices for flights from Ko Samui to Hong Kong become cheaper?

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Cheapest flights from Ko Samui to Hong Kong
Explore the most affordable flight options available from Ko Samui to Hong Kong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 September 2026.

Best flights from Ko Samui to Hong Kong
Discover carefully curated flight deals from Ko Samui to Hong Kong that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Direct flights from Ko Samui to Hong Kong
Explore direct flight options from Ko Samui to Hong Kong based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 September 2026.

Last-minute flights from Ko Samui to Hong Kong
Discover last-minute flight deals from Ko Samui to Hong Kong. Data last updated 21 September 2026 and is based on user searches.

One-way flights from Ko Samui to Hong Kong
Search for one-way flight options from Ko Samui to Hong Kong. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.