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

Booking a flight to Ko Samui (USM) is your only option if you intend on flying to Ko Samui. It is only a 2.1 mi journey from Ko Samui to Ko Samui’s city center.

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 £62, while return flights cost around £120.

How much is a return flight to Ko Samui?

A return flight to Ko Samui will typically cost around £230, however they can be found for as little as £120.

Where does the fastest flight to Ko Samui depart from?

For those looking to save time traveling to Ko Samui, London offers the quickest one-way flight (13 hours 5 minutes).

Does Ko Samui have car hire?

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 mi away from Ko Samui).

£328+ Cheap Flights to Ko Samui, Thailand

Flights to Ko Samui in 2026

Enter your travel dates to find the best prices.

Cheapest

Best

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 28 September 2026.

Tue 10/1117:45 -

2 stops33h 55m

Tue 17/1118:15 -

2 stops30h 35m

Deal found 26/9£668

Sun 1/1108:45 -

2 stops28h 40m

Sat 14/1121:10 -

2 stops25h 25m

Deal found 27/9£669

Sun 1/1106:25 -

3 stops26h 10m

Sun 15/1118:40 -

2 stops27h 55m

Deal found 25/9£670

Sat 3/1016:35 -

3 stops21h 50m

Mon 2/1107:55 -

2 stops32h 25m

Deal found 23/9£672

Tue 3/1117:45 -

2 stops33h 55m

Thu 3/1218:15 -

2 stops28h 40m

Deal found 23/9£673

Mon 16/1120:25 -

2 stops31h 15m

Tue 24/1115:50 -

2 stops33h 00m

Deal found 23/9£674

Sun 6/1220:25 -

2 stops29h 00m

Sun 20/1219:00 -

2 stops29h 50m

Deal found 24/9£676

Tue 24/1108:40 -

2 stops23h 40m

Fri 4/1209:20 -

2 stops29h 30m

Deal found 26/9£678

Mon 7/1217:35 -

1 stop14h 35m

Wed 23/1219:00 -

1 stop25h 05m

Deal found 25/9£679

Tue 27/1007:10 -

3 stops23h 40m

Tue 3/1121:30 -

2 stops25h 05m

Deal found 27/9£679

Tue 3/1109:00 -

2 stops18h 40m

Thu 3/1209:20 -

2 stops19h 20m

Deal found 27/9£679

Sun 8/1106:25 -

3 stops23h 10m

Mon 23/1121:10 -

2 stops25h 25m

Deal found 27/9£681

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 28 September 2026.

Tue 3/1109:15 -

2 stops18h 25m

Wed 18/1110:20 -

2 stops29h 20m

Deal found 27/9£721

Wed 9/1217:35 -

3 stops20h 15m

Mon 21/1215:05 -

3 stops27h 10m

Deal found 28/9£759

Sun 1/1114:15 -

2 stops18h 20m

Sat 14/1117:40 -

2 stops19h 40m

Deal found 24/9£850

Sun 8/1118:45 -

1 stop19h 20m

Thu 26/1116:25 -

1 stop20h 20m

Deal found 27/9£854

Mon 16/1109:40 -

2 stops22h 55m

Thu 19/1118:15 -

2 stops31h 10m

Deal found 27/9£933

Mon 16/1108:25 -

2 stops20h 25m

Wed 18/1114:15 -

2 stops35h 10m

Deal found 25/9£958

Sun 13/1209:05 -

2 stops23h 35m

Mon 21/1209:20 -

2 stops19h 20m

Deal found 25/9£1,020

Thu 18/213:05 -

1 stop21h 05m

Thu 4/313:25 -

1 stop24h 00m

Deal found 23/9£1,034

Tue 8/1210:00 -

2 stops20h 05m

Wed 23/1207:55 -

2 stops18h 40m

Deal found 25/9£1,090

Thu 10/1207:40 -

3 stops26h 50m

Mon 21/1215:50 -

3 stops26h 25m

Deal found 26/9£763

Sat 27/221:00 -

1 stop17h 05m

Sat 20/316:25 -

1 stop20h 20m

Deal found 24/9£856

Tue 3/1109:15 -

2 stops18h 25m

Thu 19/1110:20 -

2 stops29h 20m

Deal found 27/9£858

Mon 8/208:35 -

2 stops19h 05m

Sat 6/307:00 -

2 stops21h 55m

Deal found 27/9£871

Wed 6/113:20 -

3 stops24h 05m

Sun 17/118:05 -

3 stops27h 30m

Deal found 27/9£793

Sun 8/1109:40 -

2 stops24h 50m

Thu 26/1116:25 -

2 stops21h 15m

Deal found 27/9£942

Mon 9/1121:20 -

1 stop31h 30m

Wed 25/1119:10 -

1 stop17h 15m

Deal found 27/9£910

Thu 10/1208:00 -

3 stops26h 30m

Wed 20/117:05 -

3 stops25h 10m

Deal found 23/9£836

Thu 18/213:05 -

1 stop35h 55m

Fri 5/313:25 -

1 stop26h 40m

Deal found 23/9£1,034

Thu 5/1109:40 -

2 stops24h 50m

Thu 26/1116:25 -

2 stops21h 15m

Deal found 27/9£964

Mon 14/1214:05 -

3 stops23h 45m

Mon 21/1215:50 -

3 stops26h 25m

Deal found 26/9£860

Sun 4/1013:45 -

2 stops19h 25m

Tue 3/1107:55 -

2 stops18h 40m

Deal found 23/9£1,150

Mon 2/1113:35 -

2 stops19h 00m

Mon 23/1120:30 -

2 stops22h 10m

Deal found 27/9£970

Thu 5/1121:20 -

1 stop31h 30m

Tue 17/1119:00 -

1 stop17h 25m

Deal found 27/9£987

Thu 5/1109:15 -

2 stops23h 05m

Thu 19/1110:20 -

2 stops29h 20m

Deal found 27/9£1,158

Mon 7/1209:20 -

2 stops20h 45m

Wed 23/1209:20 -

2 stops17h 15m

Deal found 25/9£1,162

Sat 30/121:45 -

3 stops27h 15m

Fri 26/207:45 -

3 stops23h 10m

Deal found 27/9£876

Mon 7/1220:25 -

2 stops17h 55m

Wed 23/1221:10 -

2 stops21h 30m

Deal found 25/9£971

Sun 14/321:00 -

1 stop17h 05m

Thu 1/413:30 -

1 stop23h 05m

Deal found 24/9£1,021

Mon 7/1210:00 -

2 stops20h 05m

Mon 21/1209:20 -

2 stops17h 15m

Deal found 25/9£1,189

Wed 4/1110:20 -

2 stops17h 20m

Thu 19/1117:05 -

3 stops23h 30m

Deal found 25/9£902

Find flight deals to Ko Samui

Return from	£668
One-way from	£328
Popular in	December
Cheapest in	November
Average price	£841

10/11-17/11
4 total stops
64h 30m total
London to Ko Samui

Search Deals

16/11-31/12
3 total stops
24h 05m total
London to Ko Samui

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£114 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£48 potential savings vs. average return price).

Search Deals

Average for return flights in September 2026

Search Deals

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Mon 16/11

13:20-20:25

3 stops24h 05m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£328

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Mon 16/11

16:25-20:25

3 stops21h 00m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£347

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Sat 5/12

20:25-08:00

3 stops28h 35m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£368

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Wed 13/1

14:40-21:20

3 stops23h 40m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£369

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Sun 17/1

09:10-20:25

3 stops28h 15m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£374

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Fri 15/1

15:05-20:25

3 stops22h 20m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£402

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Fri 11/12

06:50-17:00

3 stops27h 10m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£408

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Fri 11/12

06:10-17:00

3 stops27h 50m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£411

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Sat 2/1

07:35-07:45

3 stops41h 10m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£418

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Thu 15/10

14:45-21:35

3 stops24h 50m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£425

Flights are sorted by cheapest return flights first.

Deals found on 23/9

Showing 1-10 of 60 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.

LON-USM

LHR-USM

LGW-USM

LTN-USM

LCY-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

LON-USM

LHR-USM

LGW-USM

LTN-USM

LCY-USM

How long is the flight to Ko Samui?

On average, a flight from London to Ko Samui takes 17 hours 44 minutes. Flights to Ko Samui from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

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

The most popular airlines flying from London to Ko Samui are Thai Airways, EVA Air and Singapore Airlines.

What are the cheapest airlines that fly to Ko Samui?

The cheapest airlines flying from London to Ko Samui are Bangkok Airways, Oman Air and Austrian Airlines.

Rainfall in Ko Samui by month

In terms of precipitation, rainfall in Ko Samui ranges from 58.0 - 490.0 inches 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

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).

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

To ensure you get the cheapest price possible for a flight to Ko Samui, you should look to book at least 74 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Ko Samui

See what other customers who have flown with EVA Air,Singapore Airlines, andThai Airways to Thailand have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.5

Very Good

1,535 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking

EVA Air

8.5

Very Good

1,535 reviews

EVA Air

8.5

Very Good

1,535 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking

Singapore Airlines

8.2

Very Good

1,617 reviews

EVA Air

8.5

Very Good

1,535 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking

Thai Airways

7.9

Good

425 reviews

EVA Air

8.5

Very Good

1,535 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking

Qatar Airways

7.3

Good

3,729 reviews

EVA Air

8.5

Very Good

1,535 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking

British Airways

6.7

Okay

8,238 reviews

EVA Air

8.5

Very Good

1,535 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking

FAQs about flying to Ko Samui

What airport do you fly into for flights to Ko Samui?
Booking a flight to Ko Samui (USM) is your only option if you intend on flying to Ko Samui. It is only a 2.1 mi journey from Ko Samui to Ko Samui’s city center.
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 £62, while return flights cost around £120.
How much is a return flight to Ko Samui?
A return flight to Ko Samui will typically cost around £230, however they can be found for as little as £120.
Where does the fastest flight to Ko Samui depart from?
For those looking to save time traveling to Ko Samui, London offers the quickest one-way flight (13 hours 5 minutes).
Does Ko Samui have car hire?
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 mi away from Ko Samui).

See more FAQs

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How does Cheapflights help users find flights to Ko Samui?

Deals for Ko Samui 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 to your preference, such as price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights to Ko Samui for you. Better yet — we are completely free to use.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights to Ko Samui, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up Price Alerts. Click the bell icon next to the flight deals above and provide your email address. That’s it!

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£328+ 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 16/11. 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 28 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 28 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 28 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 28 September 2026.

Last-minute flights to Ko SamuiDiscover last-minute flight deals to Ko Samui. Data last updated 28 September 2026 and is based on user searches.

Discover last-minute flight deals to Ko Samui. Data last updated 28 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 28 September 2026.

Search for one-way flight options to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 28 September 2026.

Find flight deals to Ko Samui

Return from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

How long is the flight to Ko Samui?

On average, a flight from London to Ko Samui takes 17 hours 44 minutes. Flights to Ko Samui from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

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

The most popular airlines flying from London to Ko Samui are Thai Airways, EVA Air and Singapore Airlines.

What are the cheapest airlines that fly to Ko Samui?

The cheapest airlines flying from London to Ko Samui are Bangkok Airways, Oman Air and Austrian Airlines.

Rainfall in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ko Samui ranges from 58.0 - 490.0 inches 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

Plan your trip to Ko Samui by taking into account the average temperature totals by month.

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

To ensure you get the cheapest price possible for a flight to Ko Samui, you should look to book at least 74 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Ko Samui

See what other customers who have flown with EVA Air,Singapore Airlines, andThai Airways 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?

Where does the fastest flight to Ko Samui depart from?

Does Ko Samui have car hire?

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

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

Find the best flight deals to Ko Samui

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

Search flights to Ko Samui by cabin class

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

Find the best flight deals from Ko Samui

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

Other flight destinations closest to Ko Samui

Book a flight to other destinations in Thailand.

Complete your trip

Reserve a car hire and hotel room to complete your trip to Ko Samui.

Most traveled routes by our users

Browse our most popular destinations

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Popular Thailand flight routes

Browse through the most popular flight routes to Thailand at this time.

Fly your favourite airline to Ko Samui

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Fly with Cheapflights

How does Cheapflights help users find flights to Ko Samui?

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

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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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 28 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 28 September 2026.

Last-minute flights to Ko Samui
Discover last-minute flight deals to Ko Samui. Data last updated 28 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 28 September 2026.