Which airlines fly direct to Ko Samui?

At the moment, Bangkok Airways, Cathay Pacific offer direct flights to Ko Samui. Bangkok Airways is currently the most popular airline that flies direct to Ko Samui.

How long is a direct flight to Ko Samui?

While the flight duration depends heavily on the origin, travellers can expect non-stop flights to Ko Samui to last approximately 3h 20m on average. The quickest direct flight to Ko Samui at this time departs from Hong Kong (3h 20m), while the longest leaves from Hong Kong (3h 20m).

What is the best time of year to fly direct to Ko Samui?

If you're seeking the lowest price on a direct flight to Ko Samui, November is worth consideration, as prices are usually at their lowest, on average. January may be most appealing to users looking for the quietest time to visit Ko Samui, when demand is typically at its lowest.

What is the most popular direct flight origin to Ko Samui?

Currently, the most popular direct flight origin to Ko Samui is Hong Kong. A return direct flight from Hong Kong to Ko Samui typically costs around HK$4,877.

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).

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.

Direct flights to Ko Samui

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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 22 September 2026.

Thu 8-1017:20 -

Nonstop3h 20m

Wed 14-1011:55 -

Nonstop3h 25m

Deal found 18-9HK$4,268

Mon 12-1017:20 -

Nonstop3h 20m

Tue 27-1011:40 -

Nonstop3h 15m

Deal found 18-9HK$4,346

Tue 3-1117:05 -

Nonstop3h 30m

Tue 10-1111:40 -

Nonstop3h 15m

Deal found 18-9HK$4,409

Sun 1-1117:05 -

Nonstop3h 30m

Wed 4-1111:40 -

Nonstop3h 15m

Deal found 20-9HK$4,440

Wed 11-1117:05 -

Nonstop3h 30m

Wed 18-1111:40 -

Nonstop3h 15m

Deal found 18-9HK$4,448

Mon 19-1017:20 -

Nonstop3h 20m

Sat 24-1011:55 -

Nonstop3h 25m

Deal found 17-9HK$4,723

Wed 24-217:05 -

Nonstop3h 30m

Tue 2-311:40 -

Nonstop3h 15m

Deal found 17-9HK$4,739

Thu 8-1017:20 -

Nonstop3h 20m

Wed 14-1011:55 -

Nonstop3h 25m

Deal found 21-9HK$5,029

Wed 7-1017:20 -

Nonstop3h 20m

Sun 11-1011:55 -

Nonstop3h 25m

Deal found 21-9HK$5,068

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.

Fly from

Route

Departure

Return

Price

Cheapest return flight

Fastest return journey

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Fri 23-10

17:20-19:40

Nonstop3h 20m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$2,432

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Mon 8-3

17:05-19:35

Nonstop3h 30m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$2,456

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Fri 6-11

17:05-19:35

Nonstop3h 30m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$2,456

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Tue 26-1

17:05-19:35

Nonstop3h 30m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$2,503

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Tue 8-12

17:05-19:35

Nonstop3h 30m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$2,526

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Sat 12-12

17:05-19:35

Nonstop3h 30m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$2,730

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Mon 19-10

17:20-19:40

Nonstop3h 20m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$2,785

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Sun 4-10

17:20-19:40

Nonstop3h 20m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$2,848

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Wed 2-12

17:05-19:35

Nonstop3h 30m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$2,950

Hong KongKo Samui

HKG Hong Kong Intl - USM Ko Samui

HKGUSM

Hong Kong Intl

Wed 2-12

17:05-19:35

Nonstop3h 30m

Ko Samui

Wed 31-12

00:00-01:00

Nonstop0h 00m

HK$3,554

Flights are sorted by cheapest return flights first.

Deals found on 18-9

Showing 1-10 of 22 resultsSorted by cheapest first

Reviews of airlines flying non-stop to 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

420 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

1,490 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

FAQ about direct flights to Ko Samui

Which airlines fly direct to Ko Samui?
At the moment, Bangkok Airways, Cathay Pacific offer direct flights to Ko Samui. Bangkok Airways is currently the most popular airline that flies direct to Ko Samui.
How long is a direct flight to Ko Samui?
While the flight duration depends heavily on the origin, travellers can expect non-stop flights to Ko Samui to last approximately 3h 20m on average. The quickest direct flight to Ko Samui at this time departs from Hong Kong (3h 20m), while the longest leaves from Hong Kong (3h 20m).
What is the best time of year to fly direct to Ko Samui?
If you're seeking the lowest price on a direct flight to Ko Samui, November is worth consideration, as prices are usually at their lowest, on average. January may be most appealing to users looking for the quietest time to visit Ko Samui, when demand is typically at its lowest.
What is the most popular direct flight origin to Ko Samui?
Currently, the most popular direct flight origin to Ko Samui is Hong Kong. A return direct flight from Hong Kong to Ko Samui typically costs around HK$4,877.

See more FAQs

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This is the cheapest price on a non-stop flight to Ko Samui found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23-10. Fares are subject to change and may not be available on all flights or dates of travel.

Find flight deals to Ko Samui

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 22 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 22 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 22 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 22 September 2026.

Last-minute flights to Ko Samui
Discover last-minute flight deals to Ko Samui. Data last updated 22 September 2026 and is based on user searches.

Discover last-minute flight deals to Ko Samui. Data last updated 22 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 22 September 2026.

Search for one-way flight options to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 22 September 2026.

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 Fare Finder

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

Reviews of airlines flying non-stop to 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.

FAQ about direct flights to Ko Samui

Find answers to frequently asked questions about direct flights to Ko Samui to unlock the best deals on Cheapflights.

Which airlines fly direct to Ko Samui?

How long is a direct flight to Ko Samui?

What is the best time of year to fly direct to Ko Samui?

What is the most popular direct flight origin to Ko Samui?

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Flights to and from Ko Samui

Consider one of these popular flight routes traveling to and from Ko Samui.

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Consider these flights with airlines flying direct to Ko Samui.

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HK$2,432+ Direct flights to Ko Samui

This is the cheapest price on a non-stop flight to Ko Samui found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23-10. Fares are subject to change and may not be available on all flights or dates of travel.

Find flight deals to Ko Samui

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 22 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 22 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 22 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 22 September 2026.

Last-minute flights to Ko SamuiDiscover last-minute flight deals to Ko Samui. Data last updated 22 September 2026 and is based on user searches.

Discover last-minute flight deals to Ko Samui. Data last updated 22 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 22 September 2026.

Search for one-way flight options to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 22 September 2026.

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 Fare Finder

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

Reviews of airlines flying non-stop to 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.

FAQ about direct flights to Ko Samui

Find answers to frequently asked questions about direct flights to Ko Samui to unlock the best deals on Cheapflights.

Which airlines fly direct to Ko Samui?

How long is a direct flight to Ko Samui?

What is the best time of year to fly direct to Ko Samui?

What is the most popular direct flight origin to Ko Samui?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Direct flights to Thailand

Book a non-stop flight to one of these popular destinations located in Thailand.

Direct flights to Asia

Book a non-stop flight to one of these popular destinations located in Asia.

Flights to and from Ko Samui

Consider one of these popular flight routes traveling to and from Ko Samui.

Airlines flying direct to Ko Samui

Consider these flights with airlines flying direct to Ko Samui.

Direct flights from Thailand

Consider flying direct from one of these origins located in Thailand.

100% Free

Book With Flexibility

Travel Smart

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 22 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 22 September 2026.

Last-minute flights to Ko Samui
Discover last-minute flight deals to Ko Samui. Data last updated 22 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 22 September 2026.