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.

What is the cheapest month to fly to Ko Samui?

Currently, the cheapest month for flights to Ko Samui is August . The most expensive month for flights is December . The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

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 £41, while return flights cost around £56.

How much is a return flight to Ko Samui?

A return flight to Ko Samui will typically cost around £194, however they can be found for as little as £73.

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 (15 hours 20 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).

£313+ Flights to Ko Samui, Thailand

Flights to Ko Samui in 2025

Return from	£762
One-way from	£313
Popular in	December
Cheapest in	September
Average price	£869

KLM
28/5-2/7
4 total stops
38h 10m total
London to Ko Samui

Search Deals

27/4
2 total stops
34h 40m total
London to Ko Samui

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£29 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£18 potential savings vs. average return price).

Search Deals

Average for return flights in March 2025

Search Deals

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 20 marzo 2025.

mer 28/511:45LHR - USM

2 stops20h 00mKLM

mer 2/708:45USM - LHR

2 stops18h 10mKLM

Deal found 19/3£762

mar 22/411:25LHR - USM

1 stop17h 45mMultiple Airlines

lun 12/517:55USM - LHR

2 stops31h 15mMultiple Airlines

Deal found 19/3£762

mar 22/407:10LGW - USM

3 stops31h 50mMultiple Airlines

lun 12/506:55USM - LGW

2 stops29h 45mMultiple Airlines

Deal found 19/3£765

mer 28/509:00LGW - USM

2 stops19h 30mQatar Airways

mer 2/715:25USM - LGW

2 stops28h 00mQatar Airways

Deal found 19/3£802

gio 29/507:35STN - USM

3 stops30h 55mMultiple Airlines

sab 7/618:55USM - STN

2 stops19h 10mMultiple Airlines

Deal found 19/3£807

mar 27/518:35LGW - USM

2 stops20h 35mSWISS

mer 4/616:25USM - LGW

2 stops31h 30mSWISS

Deal found 19/3£808

mer 12/1117:35LHR - USM

2 stops20h 30mAir France

mer 26/1108:30USM - LHR

2 stops19h 55mAir France

Deal found 19/3£813

mar 20/513:45LHR - USM

2 stops17h 00mSWISS

mar 3/616:25USM - LHR

2 stops25h 00mSWISS

Deal found 19/3£819

mer 7/521:35LHR - USM

1 stop16h 55mEVA Air

gio 22/508:00USM - LHR

1 stop17h 20mEVA Air

Deal found 19/3£822

mar 3/613:05LCY - USM

2 stops26h 05mSWISS

mar 17/609:30USM - LCY

2 stops39h 15mSWISS

Deal found 19/3£823

dom 9/1114:05STN - USM

2 stops19h 55mEmirates

mar 25/1119:10USM - STN

2 stops23h 55mEmirates

Deal found 19/3£828

mer 7/509:25LCY - USM

2 stops22h 20mMultiple Airlines

gio 22/509:30USM - LCY

2 stops29h 20mMultiple Airlines

Deal found 19/3£831

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 20 marzo 2025.

mer 28/511:45LHR - USM

2 stops20h 00mKLM

mer 2/708:45USM - LHR

2 stops18h 10mKLM

Deal found 19/3£762

mar 22/411:25LHR - USM

1 stop17h 45mMultiple Airlines

lun 12/517:55USM - LHR

2 stops31h 15mMultiple Airlines

Deal found 19/3£762

mer 28/509:00LGW - USM

2 stops19h 30mQatar Airways

mer 2/715:25USM - LGW

2 stops28h 00mQatar Airways

Deal found 19/3£802

mar 27/518:35LGW - USM

2 stops20h 35mSWISS

mer 4/616:25USM - LGW

2 stops31h 30mSWISS

Deal found 19/3£808

mer 7/521:35LHR - USM

1 stop16h 55mEVA Air

gio 22/508:00USM - LHR

1 stop17h 20mEVA Air

Deal found 19/3£822

ven 6/614:00LGW - USM

2 stops25h 35mTurkish Airlines

dom 22/607:00USM - LGW

2 stops21h 25mTurkish Airlines

Deal found 19/3£833

mar 2/921:25LHR - USM

1 stop18h 10mThai Airways

ven 12/910:05USM - LHR

1 stop15h 05mThai Airways

Deal found 19/3£845

lun 1/909:25LHR - USM

1 stop16h 25mSingapore Airlines

dom 14/908:45USM - LHR

1 stop27h 10mSingapore Airlines

Deal found 19/3£856

mer 7/518:20LHR - USM

1 stop18h 15mCathay Pacific

gio 22/508:00USM - LHR

2 stops27h 40mCathay Pacific

Deal found 19/3£901

mar 2/914:55STN - USM

2 stops20h 00mEmirates

ven 12/917:50USM - STN

2 stops25h 05mEmirates

Deal found 19/3£941

sab 5/721:45LHR - USM

2 stops28h 30mEtihad Airways

sab 19/713:30USM - LHR

2 stops23h 30mEtihad Airways

Deal found 19/3£1,059

sab 5/719:35LHR - USM

1 stop16h 40mBritish Airways

sab 19/713:30USM - LHR

1 stop21h 55mBritish Airways

Deal found 19/3£1,076

Last-minute flights to Ko Samui
Discover last-minute flight deals to Ko Samui. Data last updated 20 marzo 2025 and is based on user searches.

gio 20/314:45LHR - USM

2 stops23h 20mAir France

gio 3/410:55USM - LHR

2 stops27h 05mAir France

Deal found 19/3£1,084

ven 21/316:50LHR - USM

1 stop19h 45mCathay Pacific

gio 3/410:55USM - LHR

1 stop37h 20mCathay Pacific

Deal found 18/3£987

ven 21/309:00LGW - USM

2 stops18h 35mQatar Airways

gio 3/415:30USM - LGW

2 stops21h 10mQatar Airways

Deal found 18/3£1,150

mar 1/419:20LCY - USM

2 stops19h 50mMultiple Airlines

mar 8/413:30USM - LCY

2 stops24h 40mMultiple Airlines

Deal found 19/3£1,016

mer 2/408:20STN - USM

3 stops30h 05mMultiple Airlines

mer 30/419:25USM - STN

3 stops29h 20mMultiple Airlines

Deal found 19/3£920

gio 17/414:25LHR - USM

2 stops36h 55mEmirates

sab 17/514:00USM - LHR

2 stops23h 05mEmirates

Deal found 19/3£956

mar 22/411:25LHR - USM

1 stop17h 45mMultiple Airlines

lun 12/517:55USM - LHR

2 stops31h 15mMultiple Airlines

Deal found 19/3£762

mar 22/407:10LGW - USM

3 stops31h 50mMultiple Airlines

lun 12/506:55USM - LGW

2 stops29h 45mMultiple Airlines

Deal found 19/3£765

mar 22/421:35LHR - USM

1 stop14h 55mEVA Air

lun 12/508:45USM - LHR

1 stop16h 35mEVA Air

Deal found 19/3£846

mar 22/419:20LCY - USM

2 stops19h 50mSWISS

lun 12/509:30USM - LCY

2 stops29h 20mSWISS

Deal found 19/3£933

mar 22/410:15LGW - USM

1 stop18h 55mSingapore Airlines

lun 12/513:30USM - LGW

1 stop22h 55mSingapore Airlines

Deal found 19/3£1,131

lun 28/413:45LHR - USM

2 stops22h 15mQatar Airways

lun 26/517:55USM - LHR

2 stops32h 30mQatar Airways

Deal found 19/3£836

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 20 marzo 2025.

dom 27/415:10LTN - USM

2 stops34h 40mMultiple Airlines

Deal found 19/3£313

ven 16/520:20STN - USM

3 stops53h 00mMultiple Airlines

Deal found 19/3£319

dom 27/407:15LGW - USM

2 stops42h 35mMultiple Airlines

Deal found 19/3£332

ven 16/521:05LHR - USM

2 stops52h 15mMultiple Airlines

Deal found 19/3£400

ven 16/506:45LCY - USM

3 stops24h 00mMultiple Airlines

Deal found 19/3£504

sab 3/510:05LGW - USM

2 stops43h 35mEmirates

Deal found 19/3£518

mer 26/321:20LHR - USM

1 stop27h 20mEVA Air

Deal found 19/3£541

mar 22/412:30LHR - USM

1 stop27h 05mThai Airways

Deal found 19/3£542

ven 27/616:50LHR - USM

2 stops34h 30mEmirates

Deal found 19/3£551

mar 1/721:45LHR - USM

2 stops30h 45mEtihad Airways

Deal found 19/3£579

mar 22/414:55STN - USM

2 stops48h 15mEmirates

Deal found 19/3£593

dom 27/413:45LCY - USM

2 stops19h 00mKLM

Deal found 19/3£610

Cheapflights Fare Finder

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

Fly from

Route

Depart

Return

Price

LondonKo Samui

LHR - USM

LHRUSM

London Heathrow

mer 28/5

11:45-13:45

2 stops20h 00m

Ko Samui

mer 2/7

08:45-20:55

2 stops18h 10m

£762

LondonKo Samui

LHR - USM

LHRUSM

London Heathrow

mar 22/4

11:25-11:10

1 stop17h 45m

Ko Samui

lun 12/5

17:55-19:10

2 stops31h 15m

£762

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

mar 22/4

07:10-21:00

3 stops31h 50m

Ko Samui

lun 12/5

06:55-06:40

2 stops29h 45m

£765

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

mer 28/5

09:00-10:30

2 stops19h 30m

Ko Samui

mer 2/7

15:25-13:25

2 stops28h 00m

£802

LondonKo Samui

STN - USM

STNUSM

London Stansted

gio 29/5

07:35-20:30

3 stops30h 55m

Ko Samui

sab 7/6

18:55-08:05

2 stops19h 10m

£807

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

mar 27/5

18:35-21:10

2 stops20h 35m

Ko Samui

mer 4/6

16:25-17:55

2 stops31h 30m

£808

LondonKo Samui

LHR - USM

LHRUSM

London Heathrow

mar 20/5

13:45-12:45

2 stops17h 00m

Ko Samui

mar 3/6

16:25-11:25

2 stops25h 00m

£819

LondonKo Samui

LHR - USM

LHRUSM

London Heathrow

mer 7/5

21:35-20:30

1 stop16h 55m

Ko Samui

gio 22/5

08:00-19:20

1 stop17h 20m

£822

LondonKo Samui

LCY - USM

LCYUSM

London City

mar 3/6

13:05-21:10

2 stops26h 05m

Ko Samui

mar 17/6

09:30-18:45

2 stops39h 15m

£823

LondonKo Samui

LCY - USM

LCYUSM

London City

mer 7/5

09:25-13:45

2 stops22h 20m

Ko Samui

gio 22/5

09:30-08:50

2 stops29h 20m

£831

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 43 results

...

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.

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

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 13 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.

How long is the flight to Ko Samui?

On average, a flight from London to Ko Samui takes 20 hours 15 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.

When is the cheapest time to fly to Ko Samui?

Users looking for the lowest fares to Ko Samui should consider flying on Wednesday at midday, when prices are typically cheapest. Budget-minded travellers will want to avoid Tuesday at midday, when prices are usually at their highest.

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

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

EVA Air

From £958

Thai Airways

From £1,050

British Airways

From £980

Singapore Airlines

From £882

What are the cheapest airlines that fly to Ko Samui?

The cheapest airlines flying from London to Ko Samui are Bangkok Airways, Air France and KLM.

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).

Reviews of airlines servicing Ko Samui

To help decide which airline to fly to Ko Samui, see what other customers have to say about EVA Air, Singapore Airlines and Emirates. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very Good

1,170 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

EVA Air

8.4

Very Good

1,170 reviews

EVA Air

8.4

Very Good

1,170 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Singapore Airlines

8.1

Very Good

1,279 reviews

EVA Air

8.4

Very Good

1,170 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Emirates

8.0

Very Good

3,195 reviews

EVA Air

8.4

Very Good

1,170 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

KLM

7.8

Good

1,319 reviews

EVA Air

8.4

Very Good

1,170 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Thai Airways

7.8

Good

316 reviews

EVA Air

8.4

Very Good

1,170 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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 £41, while return flights cost around £56.
How much is a return flight to Ko Samui?
A return flight to Ko Samui will typically cost around £194, however they can be found for as little as £73.
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 (15 hours 20 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

Ko Tao

Ko Pha Ngan

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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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£313+ Cheap flights to Ko Samui

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/4. Fares are subject to change and may not be available on all flights or dates of travel.

Flights to Ko Samui in 2025

Find the latest flights to Ko Samui in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 20 marzo 2025.

Return from

One-way from

Popular in

Cheapest in

Average price

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 20 marzo 2025.

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 20 marzo 2025.

Cheapflights Fare Finder

Locate flights to Ko Samui that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 20 marzo 2025.

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

Everything you need to know about your flight to Ko Samui

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

Use this chart to determine the optimal time to book a return flight from London to Ko Samui. Price data was last updated on 14 March 2025.

How long is the flight to Ko Samui?

When is the cheapest time to fly to Ko Samui?

Use this chart to determine the cheapest time to fly return from London to Ko Samui. Price data was last updated on 12 May 2024.

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

What are the cheapest airlines that fly to Ko Samui?

Rainfall in Ko Samui by month

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

Temperature in Ko Samui by month

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

Reviews of airlines servicing Ko Samui

To help decide which airline to fly to Ko Samui, see what other customers have to say about EVA Air, Singapore Airlines and Emirates. You can also see how each airline stacks up 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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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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 20 marzo 2025.