How much are direct flights to Ko Samui?

On average, a one-way direct flight to Ko Samui will cost users approximately ฿5,722. If you're looking for a direct return flight to Ko Samui, you can expect to pay around ฿9,340.

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 1h 05m on average. The quickest direct flight to Ko Samui at this time departs from Bangkok Suvarnabhumi Airport (1h 05m), while the longest leaves from Bangkok Suvarnabhumi Airport (1h 05m).

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, October is worth consideration, as prices are usually at their lowest, on average. October 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 Bangkok Suvarnabhumi Airport. A return direct flight from Bangkok Suvarnabhumi Airport to Ko Samui typically costs around ฿7,531.

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

Find flight deals to Ko Samui

Enter your travel dates to find the best prices.

Cheapest

Best

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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 8 September 2026.

Wed 25/1107:00 -

Nonstop1h 10m

Thu 3/1207:00 -

Nonstop1h 15m

Deal found 8/9฿5,555

Tue 2/319:45 -

Nonstop1h 35m

Fri 12/307:00 -

Nonstop1h 15m

Deal found 3/9฿5,588

Sat 31/1018:55 -

Nonstop1h 35m

Thu 12/1106:45 -

Nonstop1h 35m

Deal found 7/9฿5,588

Mon 8/206:00 -

Nonstop1h 10m

Tue 2/307:00 -

Nonstop1h 15m

Deal found 6/9฿5,621

Tue 3/1118:55 -

Nonstop1h 35m

Fri 6/1111:00 -

Nonstop1h 35m

Deal found 7/9฿5,621

Sun 18/1006:05 -

Nonstop1h 05m

Mon 19/1006:00 -

Nonstop1h 15m

Deal found 4/9฿5,654

Fri 16/1018:15 -

Nonstop1h 30m

Sun 18/1006:55 -

Nonstop1h 30m

Deal found 5/9฿5,654

Sun 1/1114:30 -

Nonstop1h 10m

Tue 17/1107:00 -

Nonstop1h 15m

Deal found 7/9฿5,687

Fri 6/1118:55 -

Nonstop1h 35m

Thu 12/1106:45 -

Nonstop1h 35m

Deal found 7/9฿5,687

Sat 14/1106:10 -

Nonstop1h 35m

Wed 25/1107:00 -

Nonstop1h 15m

Deal found 7/9฿5,720

Mon 16/1118:55 -

Nonstop1h 35m

Thu 19/1106:45 -

Nonstop1h 35m

Deal found 3/9฿5,720

Sun 4/1006:05 -

Nonstop1h 05m

Sun 18/1007:50 -

Nonstop1h 15m

Deal found 6/9฿5,753

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.

TH1-USM

DMK-USM

BKK-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

Depart

Return

Price

Cheapest return flight

BangkokKo Samui

BKK Bangkok Suvarnabhumi - USM Ko Samui

BKKUSM

Bangkok Suvarnabhumi

Sun 28/2

19:45-21:20

Nonstop1h 35m

Ko Samui

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿3,090

BangkokKo Samui

BKK Bangkok Suvarnabhumi - USM Ko Samui

BKKUSM

Bangkok Suvarnabhumi

Fri 13/11

06:10-07:45

Nonstop1h 35m

Ko Samui

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿3,156

BangkokKo Samui

BKK Bangkok Suvarnabhumi - USM Ko Samui

BKKUSM

Bangkok Suvarnabhumi

Sat 13/2

06:00-07:10

Nonstop1h 10m

Ko Samui

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿3,156

BangkokKo Samui

BKK Bangkok Suvarnabhumi - USM Ko Samui

BKKUSM

Bangkok Suvarnabhumi

Wed 18/11

19:15-20:25

Nonstop1h 10m

Ko Samui

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿3,156

BangkokKo Samui

BKK Bangkok Suvarnabhumi - USM Ko Samui

BKKUSM

Bangkok Suvarnabhumi

Sun 14/2

07:00-08:10

Nonstop1h 10m

Ko Samui

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿3,156

BangkokKo Samui

DMK Bangkok Don Mueang Intl - USM Ko Samui

DMKUSM

Bangkok Don Mueang Intl

Sun 14/2

18:55-20:30

Nonstop1h 35m

Ko Samui

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿3,156

BangkokKo Samui

DMK Bangkok Don Mueang Intl - USM Ko Samui

DMKUSM

Bangkok Don Mueang Intl

Sat 14/11

18:55-20:30

Nonstop1h 35m

Ko Samui

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿3,156

BangkokKo Samui

DMK Bangkok Don Mueang Intl - USM Ko Samui

DMKUSM

Bangkok Don Mueang Intl

Mon 2/11

18:55-20:30

Nonstop1h 35m

Ko Samui

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿3,189

BangkokKo Samui

DMK Bangkok Don Mueang Intl - USM Ko Samui

DMKUSM

Bangkok Don Mueang Intl

Sun 15/11

18:55-20:30

Nonstop1h 35m

Ko Samui

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿3,616

BangkokKo Samui

DMK Bangkok Don Mueang Intl - USM Ko Samui

DMKUSM

Bangkok Don Mueang Intl

Tue 23/2

18:55-20:30

Nonstop1h 35m

Ko Samui

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿3,616

Flights are sorted by cheapest return flights first.

Deals found on 5/9

Showing 1-10 of 47 resultsSorted by cheapest first

...

Reviews of airlines flying non-stop to Ko Samui

Read reviews from past customers who have flown Bangkok Airways to Thailand. You can also see how each airline compares 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

FAQ about direct flights to Ko Samui

How much are direct flights to Ko Samui?
On average, a one-way direct flight to Ko Samui will cost users approximately ฿5,722. If you're looking for a direct return flight to Ko Samui, you can expect to pay around ฿9,340.
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 1h 05m on average. The quickest direct flight to Ko Samui at this time departs from Bangkok Suvarnabhumi Airport (1h 05m), while the longest leaves from Bangkok Suvarnabhumi Airport (1h 05m).
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, October is worth consideration, as prices are usually at their lowest, on average. October 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 Bangkok Suvarnabhumi Airport. A return direct flight from Bangkok Suvarnabhumi Airport to Ko Samui typically costs around ฿7,531.

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 6/11. 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 8 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 8 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 8 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 8 September 2026.

Last-minute flights to Ko Samui
Discover last-minute flight deals to Ko Samui. Data last updated 8 September 2026 and is based on user searches.

Discover last-minute flight deals to Ko Samui. Data last updated 8 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 8 September 2026.

Search for one-way flight options to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 8 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

Read reviews from past customers who have flown Bangkok Airways to Thailand. You can also see how each airline compares 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.

How much are direct flights 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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Direct flights to Thailand

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

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฿2,827+ 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 6/11. 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 8 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 8 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 8 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 8 September 2026.

Last-minute flights to Ko SamuiDiscover last-minute flight deals to Ko Samui. Data last updated 8 September 2026 and is based on user searches.

Discover last-minute flight deals to Ko Samui. Data last updated 8 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 8 September 2026.

Search for one-way flight options to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 8 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

Read reviews from past customers who have flown Bangkok Airways to Thailand. You can also see how each airline compares 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.

How much are direct flights 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 8 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 8 September 2026.

Last-minute flights to Ko Samui
Discover last-minute flight deals to Ko Samui. Data last updated 8 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 8 September 2026.