What airport do you fly into for flights to Ko Samui?

Most people fly into Ko Samui (USM) if they book a flight to Ko Samui. Ko Samui is conveniently located just 3.3 km from Ko Samui’s city centre. On average, Ko Samui has 8 flights from Hong Kong per day from 3 airlines.

Can I find cheaper flights to Ko Samui if I am willing to have stopovers?

Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Ko Samui on Cheapflights that require 1 or 2 stops for potential cost savings.

What is the best airline to fly to Ko Samui?

Based on reviews from Cheapflights users, Bangkok Airways is rated the highest out of the airlines that fly to Ko Samui.

What is the cheapest airport to fly to in Ko Samui?

Ko Samui is currently the cheapest airport to fly to in Ko Samui. One-way flights to Ko Samui typically cost HK$612, while return flights cost around HK$1,323.

How much is a return flight to Ko Samui?

A return flight to Ko Samui will typically cost around HK$1,323, however they can be found for as little as HK$1,323.

Does Ko Samui have rental cars?

Yes. Those touching down at Ko Samui can take advantage of the car hire services offered upon their arrival.

Are there hotels close to Ko Samui?

Yes. Ko Samui has hotels nearby for those requiring accommodations. Diamond Pool Villa Samui is the closest property to Ko Samui (0.0 km away from Ko Samui).

What are the most popular airlines that fly to Ko Samui?

The most popular airlines flying from Hong Kong to Ko Samui are Bangkok Airways, Cathay Pacific and 泰國航空.

How long is the flight to Ko Samui?

On average, a flight from Hong Kong to Ko Samui takes 3 hours 20 minutes. Flights to Ko Samui from other popular cities in Hong Kong will vary in length. Below are a few examples of popular routes and their flight times.

Weekly flight availability to Ko Samui

The most flights from Hong Kong to Ko Samui are scheduled on a Monday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).

What are the cheapest airlines that fly to Ko Samui?

The cheapest airlines flying from Hong Kong to Ko Samui are Bangkok Airways, 泰國航空 and Cathay Pacific.

In terms of precipitation, rainfall in Ko Samui ranges from 58.0 - 490.0 mm per month. November is typically the wettest month, when rainfall can reach 490.0 mm. February is typically the driest time to visit Ko Samui when rainfall is around 58.0 mm.

If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April 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 27.0 C).

HK$1,380+ Cheap Flights to Ko Samui, Thailand

Flights to Ko Samui in 2026

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights to Ko Samui
Explore the most affordable flight options available to Ko Samui. Find the lowest fares based on data from user searches, with prices last updated on 9 September 2026.

Wed 21-1021:30 -

1 stop10h 40m

Wed 28-1018:05 -

1 stop20h 35m

Deal found 6-9HK$2,838

Fri 23-1007:55 -

1 stop11h 05m

Thu 29-1019:45 -

1 stop18h 55m

Deal found 8-9HK$2,846

Wed 14-1007:55 -

1 stop10h 00m

Thu 22-1018:15 -

1 stop24h 30m

Deal found 5-9HK$2,893

Tue 20-1021:30 -

1 stop10h 40m

Tue 27-1018:05 -

1 stop20h 35m

Deal found 5-9HK$2,917

Mon 19-1021:30 -

1 stop10h 40m

Thu 22-1018:15 -

1 stop24h 30m

Deal found 6-9HK$2,932

Mon 5-1020:20 -

1 stop11h 50m

Thu 15-1019:45 -

1 stop23h 00m

Deal found 7-9HK$2,940

Tue 6-1014:20 -

1 stop6h 25m

Fri 16-1006:55 -

1 stop11h 20m

Deal found 9-9HK$2,956

Wed 7-1011:30 -

1 stop7h 15m

Fri 16-1006:55 -

1 stop11h 20m

Deal found 9-9HK$2,964

Sat 31-1021:40 -

1 stop10h 30m

Sat 7-1107:00 -

1 stop7h 55m

Deal found 6-9HK$2,972

Sun 8-1121:40 -

1 stop12h 40m

Sun 15-1107:00 -

1 stop6h 35m

Deal found 6-9HK$2,995

Thu 8-1007:25 -

1 stop6h 45m

Fri 16-1006:55 -

1 stop11h 20m

Deal found 9-9HK$3,019

Find flight deals to Ko Samui

Return from	HK$2,838
One-way from	HK$1,380
Popular in	December
Cheapest in	November
Average price	HK$4,767

Scoot
21-10-28-10
2 total stops
31h 15m total
Hong Kong to Ko Samui

Search Deals

17-11-31-12
1 total stop
7h 30m total
Hong Kong to Ko Samui

Search Deals

Highest demand for flights based on searches. 0% potential increase in price.

Search Deals

Cheapest flight prices on average. 1% potential price decrease (HK$94 potential savings vs. average return price).

Search Deals

Average for return flights in September 2026

Search Deals

Fly from

Route

Departure

Return

Price

Cheapest return flight

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Mon 5-10

20:20-07:10

1 stop11h 50m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$1,474

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Mon 14-9

16:55-08:25

2 stops16h 30m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$2,070

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Mon 5-10

21:30-16:30

1 stop20h 00m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$2,258

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Wed 30-9

07:25-15:10

1 stop8h 45m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$2,517

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Tue 19-1

17:05-19:35

Nonstop3h 30m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$2,752

Fastest return journey

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Mon 14-9

17:20-19:40

Nonstop3h 20m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$2,815

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Tue 15-9

17:20-19:40

Nonstop3h 20m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$2,846

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Thu 24-12

20:25-14:45

1 stop19h 20m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$2,917

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Fri 25-12

07:35-16:25

2 stops9h 50m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$3,497

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Tue 19-1

11:30-07:10

2 stops20h 40m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$3,897

Flights are sorted by cheapest return flights first.

Deals found on 8-9

Showing 1-10 of 17 resultsSorted by cheapest first

Best time to book a flight to Ko Samui

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

HKG-USM

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 to Ko Samui

Prices

Airlines

The price you pay for your flight to Ko Samui may vary depending on when you book. For the best chance of a lower fare, look to book 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Ko Samui

See what other customers who have flown with Bangkok Airways,泰國航空, andCathay Pacific to Thailand have to say. 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

泰國航空

7.9

Good

418 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

Cathay Pacific

7.6

Good

1,480 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

FAQs about flying to Ko Samui

What airport do you fly into for flights to Ko Samui?
Most people fly into Ko Samui (USM) if they book a flight to Ko Samui. Ko Samui is conveniently located just 3.3 km from Ko Samui’s city centre. On average, Ko Samui has 8 flights from Hong Kong per day from 3 airlines.
Can I find cheaper flights to Ko Samui if I am willing to have stopovers?
Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Ko Samui on Cheapflights that require 1 or 2 stops for potential cost savings.
What is the best airline to fly to Ko Samui?
Based on reviews from Cheapflights users, Bangkok Airways is rated the highest out of the airlines that fly to Ko Samui.
What is the cheapest airport to fly to in Ko Samui?
Ko Samui is currently the cheapest airport to fly to in Ko Samui. One-way flights to Ko Samui typically cost HK$612, while return flights cost around HK$1,323.
How much is a return flight to Ko Samui?
A return flight to Ko Samui will typically cost around HK$1,323, however they can be found for as little as HK$1,323.
Does Ko Samui have rental cars?
Yes. Those touching down at Ko Samui can take advantage of the car hire services offered upon their arrival.
Are there hotels close to Ko Samui?
Yes. Ko Samui has hotels nearby for those requiring accommodations. Diamond Pool Villa Samui is the closest property to Ko Samui (0.0 km away from Ko Samui).

See more FAQs

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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights to Ko Samui. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ko Samui.

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

Yes, we can. To see specific flights to Ko Samui with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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HK$1,380+ Cheap flights to Ko Samui

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17-11. Fares are subject to change and may not be available on all flights or dates of travel.

Flights to Ko Samui in 2026

Cheapest flights to Ko SamuiExplore the most affordable flight options available to Ko Samui. Find the lowest fares based on data from user searches, with prices last updated on 9 September 2026.

Explore the most affordable flight options available to Ko Samui. Find the lowest fares based on data from user searches, with prices last updated on 9 September 2026.

Best flights to Ko SamuiDiscover carefully curated flight deals to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 September 2026.

Discover carefully curated flight deals to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 September 2026.

Direct flights to Ko SamuiExplore direct flight options to Ko Samui based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 September 2026.

Explore direct flight options to Ko Samui based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 September 2026.

Last-minute flights to Ko SamuiDiscover last-minute flight deals to Ko Samui. Data last updated 9 September 2026 and is based on user searches.

Discover last-minute flight deals to Ko Samui. Data last updated 9 September 2026 and is based on user searches.

One-way flights to Ko SamuiSearch for one-way flight options to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 9 September 2026.

Search for one-way flight options to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 9 September 2026.

Find flight deals to Ko Samui

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

Best time to book a flight to Ko Samui

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

Cheapflights Insights

When is the best time to book a flight to Ko Samui?

The price you pay for your flight to Ko Samui may vary depending on when you book. For the best chance of a lower fare, look to book 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What are the cheapest airlines that fly to Ko Samui?

The cheapest airlines flying from Hong Kong to Ko Samui are Bangkok Airways, 泰國航空 and Cathay Pacific.

Weekly flight availability to Ko Samui

The most flights from Hong Kong to Ko Samui are scheduled on a Monday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in Ko Samui by month

In terms of precipitation, rainfall in Ko Samui ranges from 58.0 - 490.0 mm per month. November is typically the wettest month, when rainfall can reach 490.0 mm. February is typically the driest time to visit Ko Samui when rainfall is around 58.0 mm.

Temperature in Ko Samui by month

How long is the flight to Ko Samui?

On average, a flight from Hong Kong to Ko Samui takes 3 hours 20 minutes. Flights to Ko Samui from other popular cities in Hong Kong will vary in length. Below are a few examples of popular routes and their flight times.

Reviews of airlines servicing Ko Samui

See what other customers who have flown with Bangkok Airways,泰國航空, andCathay Pacific to Thailand have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

FAQs about flying to Ko Samui

What airport do you fly into for flights to Ko Samui?

Can I find cheaper flights to Ko Samui if I am willing to have stopovers?

What is the best airline to fly to Ko Samui?

What is the cheapest airport to fly to in Ko Samui?

How much is a return flight to Ko Samui?

Does Ko Samui have rental cars?

Are there hotels close to Ko Samui?

Travelling to a place near Ko Samui?

Browse thousands of different options on Cheapflights for your next trip

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Some of the lowest fares we’ve come across for flights from Ko Samui.

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Complete your trip

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How does Cheapflights help users find flights to Ko Samui?

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

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

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Cheapest flights to Ko Samui
Explore the most affordable flight options available to Ko Samui. Find the lowest fares based on data from user searches, with prices last updated on 9 September 2026.

Best flights to Ko Samui
Discover carefully curated flight deals to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 September 2026.

Direct flights to Ko Samui
Explore direct flight options to Ko Samui based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 September 2026.

Last-minute flights to Ko Samui
Discover last-minute flight deals to Ko Samui. Data last updated 9 September 2026 and is based on user searches.

One-way flights to Ko Samui
Search for one-way flight options to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 9 September 2026.