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, EVA Air 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 £56, while return flights cost around £104.

How much is a return flight to Ko Samui?

A return flight to Ko Samui will typically cost around £201, however they can be found for as little as £104.

Where does the fastest flight to Ko Samui depart from?

For those looking to save time traveling to Ko Samui, Birmingham offers the quickest one-way flight (16 hours 55 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).

£334+ 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 19 October 2026.

Mon 26/1010:30 -

2 stops26h 55m

Sun 8/1107:00 -

2 stops30h 30m

Deal found 17/10£703

Sat 14/1116:40 -

2 stops20h 45m

Sat 21/1121:10 -

2 stops25h 25m

Deal found 17/10£705

Wed 4/1112:30 -

2 stops21h 40m

Sun 8/1121:10 -

2 stops28h 00m

Deal found 19/10£707

Sun 8/1106:25 -

3 stops21h 10m

Sun 22/1118:40 -

2 stops27h 55m

Deal found 17/10£711

Sun 8/1106:25 -

3 stops21h 10m

Thu 19/1112:30 -

2 stops26h 15m

Deal found 17/10£712

Sun 8/1111:35 -

2 stops36h 35m

Sun 15/1121:10 -

1 stop25h 25m

Deal found 16/10£716

Sat 28/1110:40 -

2 stops27h 25m

Sat 5/1208:55 -

2 stops29h 15m

Deal found 14/10£716

Wed 11/1117:25 -

3 stops20h 00m

Sat 21/1118:40 -

2 stops27h 55m

Deal found 14/10£717

Sat 14/1121:30 -

2 stops30h 10m

Sat 21/1107:00 -

2 stops35h 05m

Deal found 15/10£718

Sun 1/1112:05 -

3 stops25h 20m

Mon 30/1120:20 -

2 stops26h 15m

Deal found 15/10£719

Tue 1/1209:15 -

2 stops29h 05m

Tue 8/1211:10 -

1 stop17h 15m

Deal found 17/10£722

Thu 5/1120:05 -

2 stops17h 20m

Thu 12/1107:55 -

2 stops34h 10m

Deal found 18/10£725

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 19 October 2026.

Mon 16/1120:05 -

2 stops32h 45m

Wed 18/1115:35 -

2 stops33h 50m

Deal found 17/10£782

Sun 8/1119:05 -

3 stops34h 30m

Sun 29/1116:30 -

3 stops32h 40m

Deal found 15/10£784

Tue 10/1109:15 -

2 stops18h 25m

Mon 16/1110:20 -

2 stops29h 20m

Deal found 16/10£851

Mon 16/1123:55 -

2 stops27h 45m

Thu 19/1116:25 -

2 stops26h 15m

Deal found 18/10£955

Sat 21/1113:05 -

1 stop35h 55m

Thu 3/1218:05 -

1 stop22h 00m

Deal found 14/10£982

Mon 2/1109:25 -

2 stops18h 15m

Thu 5/1121:30 -

2 stops21h 45m

Deal found 14/10£1,004

Mon 16/1121:20 -

1 stop16h 05m

Wed 18/1108:30 -

1 stop17h 35m

Deal found 18/10£1,079

Mon 9/1110:00 -

2 stops20h 30m

Fri 20/1108:30 -

2 stops18h 05m

Deal found 14/10£1,217

Tue 9/221:20 -

1 stop17h 00m

Wed 17/218:30 -

1 stop17h 55m

Deal found 14/10£1,301

Thu 3/1215:05 -

3 stops23h 15m

Wed 30/1215:35 -

3 stops28h 20m

Deal found 14/10£818

Fri 6/1115:05 -

3 stops22h 20m

Sat 14/1121:30 -

2 stops23h 55m

Deal found 15/10£850

Thu 14/113:25 -

2 stops19h 10m

Thu 21/116:25 -

2 stops23h 15m

Deal found 19/10£999

Mon 2/1109:10 -

2 stops21h 40m

Mon 23/1117:05 -

2 stops21h 05m

Deal found 19/10£1,005

Thu 18/221:20 -

1 stop15h 30m

Fri 5/309:20 -

1 stop16h 45m

Deal found 18/10£871

Mon 2/1113:05 -

1 stop21h 05m

Thu 12/1118:05 -

1 stop19h 20m

Deal found 19/10£1,076

Wed 13/117:40 -

2 stops20h 25m

Wed 3/216:25 -

2 stops23h 15m

Deal found 15/10£1,041

Thu 31/1209:40 -

2 stops19h 10m

Tue 19/116:25 -

2 stops21h 15m

Deal found 14/10£1,068

Thu 22/1015:15 -

3 stops35h 00m

Mon 26/1011:10 -

3 stops34h 15m

Deal found 19/10£953

Wed 13/110:00 -

2 stops20h 05m

Fri 5/207:55 -

2 stops18h 40m

Deal found 17/10£1,277

Thu 18/213:05 -

1 stop22h 10m

Thu 4/316:25 -

1 stop21h 00m

Deal found 14/10£1,172

Thu 3/1215:50 -

2 stops22h 30m

Thu 10/1215:05 -

2 stops29h 45m

Deal found 19/10£1,080

Wed 2/1213:25 -

2 stops19h 10m

Tue 29/1210:00 -

2 stops29h 40m

Deal found 16/10£1,083

Fri 22/110:25 -

2 stops18h 30m

Mon 8/216:30 -

3 stops24h 05m

Deal found 17/10£1,012

Fri 15/113:25 -

2 stops18h 45m

Tue 9/210:00 -

2 stops29h 40m

Deal found 17/10£1,166

Fri 15/113:05 -

1 stop22h 50m

Fri 5/218:05 -

1 stop19h 20m

Deal found 17/10£1,304

Tue 29/1208:05 -

2 stops19h 30m

Sun 10/114:30 -

3 stops30h 40m

Deal found 17/10£1,016

Thu 5/1109:15 -

2 stops23h 20m

Fri 6/1118:15 -

2 stops49h 35m

Deal found 14/10£1,191

Sun 27/1221:45 -

3 stops27h 55m

Sun 10/114:30 -

3 stops30h 40m

Deal found 17/10£1,029

Sat 9/112:15 -

2 stops19h 40m

Thu 21/116:25 -

2 stops23h 15m

Deal found 17/10£1,257

Mon 21/1207:20 -

3 stops29h 30m

Thu 31/1209:20 -

3 stops32h 05m

Deal found 19/10£1,040

Find flight deals to Ko Samui

Return from	£705
One-way from	£356
Popular in	December
Cheapest in	November
Average price	£885

14/11-21/11
4 total stops
46h 10m total
London to Ko Samui

Search Deals

2/4-31/12
2 total stops
42h 05m total
London to Ko Samui

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£124 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£47 potential savings vs. average return price).

Search Deals

Average for return flights in October 2026

Search Deals

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Fri 20/11

17:40-08:00

3 stops55h 20m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£361

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Sun 28/2

16:25-07:10

3 stops31h 45m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£378

LondonKo Samui

SEN London Southend - USM Ko Samui

SENUSM

London Southend

Mon 16/11

07:05-07:10

3 stops41h 05m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£379

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Fri 1/1

09:50-18:15

2 stops25h 25m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£412

LondonKo Samui

LHR London Heathrow - USM Ko Samui

LHRUSM

London Heathrow

Sun 25/10

12:30-07:10

2 stops35h 40m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£415

Fastest return journey

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Fri 2/4

07:20-07:10

1 stop17h 50m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£418

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Tue 27/10

06:00-18:25

3 stops53h 25m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£425

LondonKo Samui

SEN London Southend - USM Ko Samui

SENUSM

London Southend

Fri 20/11

14:25-07:35

3 stops34h 10m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£439

LondonKo Samui

LHR London Heathrow - USM Ko Samui

LHRUSM

London Heathrow

Sat 9/1

22:00-08:05

2 stops27h 05m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£452

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Sat 9/1

10:30-16:15

2 stops22h 45m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£477

Flights are sorted by cheapest return flights first.

Deals found on 18/10

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

LTN-USM

LCY-USM

LGW-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

LTN-USM

LCY-USM

LGW-USM

How long is the flight to Ko Samui?

On average, a flight from London to Ko Samui takes 18 hours 36 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 Qatar Airways.

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 68 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

1,550 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.

EVA Air

8.5

Very Good

1,550 reviews

EVA Air

8.5

Very Good

1,550 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.

Singapore Airlines

8.2

Very Good

1,628 reviews

EVA Air

8.5

Very Good

1,550 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.

Thai Airways

7.9

Good

429 reviews

EVA Air

8.5

Very Good

1,550 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.

Qatar Airways

7.3

Good

3,712 reviews

EVA Air

8.5

Very Good

1,550 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.

British Airways

6.7

Okay

8,266 reviews

EVA Air

8.5

Very Good

1,550 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.

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, EVA Air 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 £56, while return flights cost around £104.
How much is a return flight to Ko Samui?
A return flight to Ko Samui will typically cost around £201, however they can be found for as little as £104.
Where does the fastest flight to Ko Samui depart from?
For those looking to save time traveling to Ko Samui, Birmingham offers the quickest one-way flight (16 hours 55 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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£334+ 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 2/4. 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 19 October 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 19 October 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 19 October 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 19 October 2026.

Last-minute flights to Ko SamuiDiscover last-minute flight deals to Ko Samui. Data last updated 19 October 2026 and is based on user searches.

Discover last-minute flight deals to Ko Samui. Data last updated 19 October 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 19 October 2026.

Search for one-way flight options to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 19 October 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 18 hours 36 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 Qatar Airways.

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 68 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

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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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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 19 October 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 19 October 2026.

Last-minute flights to Ko Samui
Discover last-minute flight deals to Ko Samui. Data last updated 19 October 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 19 October 2026.