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

Most people fly into Ko Samui (USM) if they book a flight to Koh Samui. Ko Samui is conveniently located just 2.1 mi from Koh Samui’s city center.

What is the cheapest month to fly to Koh Samui?

August is currently the cheapest month to fly to Koh Samui . At this moment in time December is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

Can I find cheaper flights to Koh 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 Koh Samui on Cheapflights that require 1 or 2 stops for potential cost savings.

What is the best airline to fly to Koh Samui?

Based on reviews from Cheapflights users, Bangkok Airways is rated the highest out of the airlines that fly to Koh Samui.

What is the cheapest airport to fly to in Koh Samui?

Ko Samui is currently the cheapest airport to fly to in Koh Samui. One-way flights to Ko Samui typically cost £54, while return flights cost around £88.

How much is a return flight to Koh Samui?

A return flight to Koh Samui will typically cost around £141, however they can be found for as little as £108.

Where does the fastest flight to Koh Samui depart from?

For those looking to save time traveling to Koh Samui, London offers the quickest one-way flight (17 hours 30 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).

£390+ Flights to Koh Samui, Thailand

Flights to Koh Samui in 2025

Return from	£844
One-way from	£390
Popular in	December
Cheapest in	September
Average price	£994

EVA Air
27/5-4/6
2 total stops
33h 05m total
London to Koh Samui

Search Deals

28/4
2 total stops
22h 40m total
London to Koh Samui

Search Deals

High demand for flights, 6% potential price rise

Search Deals

Best time to find cheap flights, 3% potential price drop

Search Deals

Average for return flights in January 2025

Search Deals

Find flight deals to Koh Samui

Cheapest flights to Koh Samui
Explore the most affordable flight options available to Koh Samui. Find the lowest fares based on data from user searches, with prices last updated on 17 January 2025.

Fri 7/1121:20LHR - USM

1 stop16h 25mMultiple Airlines

Sun 16/1109:20USM - LHR

1 stop17h 00mMultiple Airlines

Deal found 16/1£843

Tue 27/521:35LHR - USM

1 stop16h 55mEVA Air

Wed 4/609:15USM - LHR

1 stop16h 10mEVA Air

Deal found 16/1£844

Wed 14/518:35LGW - USM

2 stops37h 10mSWISS

Sun 8/609:15USM - LGW

2 stops38h 35mSWISS

Deal found 15/1£845

Tue 2/917:00LCY - USM

2 stops22h 10mLufthansa

Wed 1/1013:30USM - LCY

2 stops32h 55mLufthansa

Deal found 16/1£846

Sun 25/509:30LHR - USM

2 stops29h 40mLufthansa

Tue 3/616:25USM - LHR

2 stops26h 15mLufthansa

Deal found 16/1£848

Tue 18/210:30LGW - USM

2 stops23h 40mMultiple Airlines

Tue 4/313:55USM - LGW

2 stops23h 35mMultiple Airlines

Deal found 16/1£850

Mon 26/518:05LCY - USM

2 stops21h 05mSWISS

Sun 1/610:05USM - LCY

2 stops27h 30mSWISS

Deal found 16/1£850

Sat 15/317:20STN - USM

3 stops20h 25mMultiple Airlines

Mon 31/319:15USM - STN

2 stops22h 15mMultiple Airlines

Deal found 17/1£850

Wed 22/1012:30LHR - USM

1 stop26h 00mThai Airways

Fri 31/1007:55USM - LHR

1 stop18h 40mThai Airways

Deal found 16/1£854

Tue 20/518:40LHR - USM

2 stops20h 30mSWISS

Tue 3/610:05USM - LHR

2 stops27h 50mSWISS

Deal found 16/1£856

Fri 7/1114:05STN - USM

2 stops17h 50mEmirates

Sun 16/1117:40USM - STN

2 stops25h 25mEmirates

Deal found 16/1£872

Thu 23/110:55LHR - USM

1 stop24h 35mSingapore Airlines

Tue 28/111:45USM - LHR

1 stop34h 50mSingapore Airlines

Deal found 16/1£874

Best flights to Koh Samui
Discover carefully curated flight deals to Koh Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 January 2025.

Tue 27/521:35LHR - USM

1 stop16h 55mEVA Air

Wed 4/609:15USM - LHR

1 stop16h 10mEVA Air

Deal found 16/1£844

Fri 21/209:30LHR - USM

2 stops26h 00mMultiple Airlines

Fri 7/308:55USM - LHR

2 stops28h 40mMultiple Airlines

Deal found 16/1£844

Wed 14/518:35LGW - USM

2 stops37h 10mSWISS

Sun 8/609:15USM - LGW

2 stops38h 35mSWISS

Deal found 15/1£845

Sun 25/509:30LHR - USM

2 stops29h 40mLufthansa

Tue 3/616:25USM - LHR

2 stops26h 15mLufthansa

Deal found 16/1£848

Thu 20/220:55LHR - USM

2 stops27h 50mEtihad Airways

Thu 6/321:25USM - LHR

2 stops28h 00mEtihad Airways

Deal found 16/1£861

Mon 10/210:55LHR - USM

1 stop24h 35mSingapore Airlines

Mon 17/308:55USM - LHR

1 stop17h 15mSingapore Airlines

Deal found 16/1£874

Mon 26/510:05LGW - USM

2 stops19h 35mEmirates

Tue 3/608:45USM - LGW

2 stops28h 35mEmirates

Deal found 16/1£887

Fri 23/521:25LHR - USM

1 stop17h 05mThai Airways

Wed 4/608:00USM - LHR

1 stop17h 10mThai Airways

Deal found 16/1£893

Sun 25/514:55LGW - USM

2 stops19h 40mQatar Airways

Thu 5/617:50USM - LGW

2 stops18h 50mQatar Airways

Deal found 16/1£899

Fri 23/511:20LHR - USM

2 stops20h 25mTurkish Airlines

Tue 3/608:00USM - LHR

2 stops18h 50mTurkish Airlines

Deal found 16/1£931

Mon 31/319:30LHR - USM

2 stops16h 15mAustrian Airlines

Tue 15/419:10USM - LHR

2 stops19h 10mAustrian Airlines

Deal found 17/1£941

Fri 7/311:45LHR - USM

2 stops18h 20mKLM

Mon 24/311:40USM - LHR

2 stops28h 20mKLM

Deal found 16/1£968

Last-minute flights to Koh Samui
Discover last-minute flight deals to Koh Samui. Data last updated 17 January 2025 and is based on user searches.

Sat 18/118:55LHR - USM

1 stop16h 20mBritish Airways

Tue 11/213:25USM - LHR

1 stop23h 15mBritish Airways

Deal found 16/1£1,301

Tue 21/114:05STN - USM

2 stops21h 10mMultiple Airlines

Tue 28/121:25USM - STN

2 stops21h 40mMultiple Airlines

Deal found 16/1£854

Tue 21/120:35LHR - USM

1 stop28h 25mSingapore Airlines

Tue 28/111:45USM - LHR

1 stop34h 50mSingapore Airlines

Deal found 16/1£862

Thu 23/110:55LHR - USM

1 stop24h 35mSingapore Airlines

Tue 28/111:45USM - LHR

1 stop34h 50mSingapore Airlines

Deal found 16/1£874

Thu 23/110:30LGW - USM

2 stops24h 50mMultiple Airlines

Fri 7/221:05USM - LGW

2 stops23h 55mMultiple Airlines

Deal found 16/1£880

Thu 23/108:45LHR - USM

2 stops18h 50mMultiple Airlines

Thu 30/115:05USM - LHR

2 stops34h 20mMultiple Airlines

Deal found 16/1£902

Thu 23/113:30LHR - USM

2 stops24h 35mLufthansa

Sat 15/213:25USM - LHR

2 stops26h 20mLufthansa

Deal found 16/1£1,398

Thu 23/110:00LCY - USM

2 stops28h 05mMultiple Airlines

Sat 15/208:15USM - LCY

2 stops39h 25mMultiple Airlines

Deal found 16/1£2,047

Thu 23/116:50LHR - USM

2 stops20h 55mCathay Pacific

Sat 15/211:40USM - LHR

1 stop34h 20mCathay Pacific

Deal found 16/1£3,279

Thu 30/118:15LCY - USM

2 stops35h 50mMultiple Airlines

Sat 15/208:15USM - LCY

2 stops39h 25mMultiple Airlines

Deal found 16/1£1,096

Mon 10/222:05LHR - USM

1 stop38h 30mCathay Pacific

Sun 16/211:40USM - LHR

1 stop24h 50mCathay Pacific

Deal found 17/1£1,082

Wed 12/215:30LHR - USM

2 stops21h 05mQatar Airways

Sat 8/311:40USM - LHR

2 stops25h 10mQatar Airways

Deal found 16/1£961

One-way flights to Koh Samui
Search for one-way flight options to Koh Samui. Find affordable one-way fares based on user searches. Data last updated 17 January 2025.

Mon 28/406:35LTN - USM

2 stops22h 40mMultiple Airlines

Deal found 16/1£390

Wed 22/117:25STN - USM

3 stops44h 20mMultiple Airlines

Deal found 17/1£398

Mon 28/407:40LGW - USM

2 stops21h 35mMultiple Airlines

Deal found 16/1£412

Wed 30/410:00LHR - USM

2 stops29h 35mMultiple Airlines

Deal found 16/1£457

Wed 30/421:35LHR - USM

1 stop16h 55mEVA Air

Deal found 16/1£538

Mon 28/410:15LGW - USM

1 stop26h 15mSingapore Airlines

Deal found 16/1£576

Wed 26/214:05STN - USM

2 stops21h 10mEmirates

Deal found 16/1£583

Wed 26/209:40LGW - USM

2 stops25h 35mEmirates

Deal found 16/1£587

Wed 26/209:10LHR - USM

2 stops26h 05mEmirates

Deal found 16/1£617

Thu 23/110:55LHR - USM

1 stop24h 35mSingapore Airlines

Deal found 16/1£619

Mon 7/415:05LHR - USM

2 stops18h 40mQatar Airways

Deal found 17/1£684

Mon 28/409:25LCY - USM

2 stops29h 45mSWISS

Deal found 16/1£690

Find flights to Koh Samui within your budget

Fly from

Route

Depart

Return

Price

LondonKoh Samui

LHR - USM

LHRUSM

London Heathrow

Tue 27/5

21:35-20:30

1 stop16h 55m

Ko Samui

Wed 4/6

09:15-19:25

1 stop16h 10m

£844

LondonKoh Samui

LHR - USM

LHRUSM

London Heathrow

Fri 21/2

09:30-18:30

2 stops26h 00m

Ko Samui

Fri 7/3

08:55-06:35

2 stops28h 40m

£844

LondonKoh Samui

LGW - USM

LGWUSM

London Gatwick

Wed 14/5

18:35-13:45

2 stops37h 10m

Ko Samui

Sun 8/6

09:15-17:50

2 stops38h 35m

£845

LondonKoh Samui

LHR - USM

LHRUSM

London Heathrow

Sun 25/5

09:30-21:10

2 stops29h 40m

Ko Samui

Tue 3/6

16:25-12:40

2 stops26h 15m

£848

LondonKoh Samui

LGW - USM

LGWUSM

London Gatwick

Tue 18/2

10:30-17:10

2 stops23h 40m

Ko Samui

Tue 4/3

13:55-06:30

2 stops23h 35m

£850

LondonKoh Samui

LCY - USM

LCYUSM

London City

Mon 26/5

18:05-21:10

2 stops21h 05m

Ko Samui

Sun 1/6

10:05-07:35

2 stops27h 30m

£850

LondonKoh Samui

STN - USM

STNUSM

London Stansted

Sat 15/3

17:20-20:45

3 stops20h 25m

Ko Samui

Mon 31/3

19:15-11:30

2 stops22h 15m

£850

LondonKoh Samui

LHR - USM

LHRUSM

London Heathrow

Tue 20/5

18:40-21:10

2 stops20h 30m

Ko Samui

Tue 3/6

10:05-07:55

2 stops27h 50m

£856

LondonKoh Samui

LHR - USM

LHRUSM

London Heathrow

Thu 20/2

20:55-07:45

2 stops27h 50m

Ko Samui

Thu 6/3

21:25-18:25

2 stops28h 00m

£861

LondonKoh Samui

LCY - USM

LCYUSM

London City

Mon 26/5

17:00-21:10

2 stops22h 10m

Ko Samui

Tue 3/6

16:25-08:40

2 stops22h 15m

£872

Flights are sorted by cheapest return flights first.

Deals found on 16/1

Showing 1-10 of 47 results

...

Best time to book a flight to Koh Samui

Have a flexible travel schedule? Discover the best time to fly to Koh 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.

Travel insights for flights to Koh Samui

Get recent, data-driven insights about flights to Koh Samui including ideal travel times, pricing trends, and more.

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

Booking 13 days in advance of your planned departure date is, on average, the best time to get cheap flights to Koh Samui. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

How long is the flight to Koh Samui?

On average, a flight from London to Koh Samui takes 19 hours 8 minutes. Flights to Koh 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 Koh Samui?

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

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

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

EVA Air

From £955

Thai Airways

From £1,056

British Airways

From £971

Singapore Airlines

From £931

What are the cheapest airlines that fly to Koh Samui?

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

Rainfall in Koh Samui by month

In terms of precipitation, rainfall in Koh 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 Koh Samui when rainfall is around 58.0 mm.

Temperature in Koh Samui by month

If weather is an important factor for your trip to Koh 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 Koh Samui

To help decide which airline to fly to Koh Samui, see what other customers have to say about SWISS, Lufthansa and Singapore Airlines. 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

1,248 reviews

Check prices

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

EVA Air

8.4

Very Good

1,248 reviews

EVA Air

8.4

Very Good

1,248 reviews

Check prices

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Emirates

8.1

Very Good

3,351 reviews

EVA Air

8.4

Very Good

1,248 reviews

Check prices

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Singapore Airlines

8.1

Very Good

1,327 reviews

EVA Air

8.4

Very Good

1,248 reviews

Check prices

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

KLM

7.8

Good

1,339 reviews

EVA Air

8.4

Very Good

1,248 reviews

Check prices

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Thai Airways

7.8

Good

337 reviews

EVA Air

8.4

Very Good

1,248 reviews

Check prices

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

What airport do you fly into for flights to Koh Samui?
Most people fly into Ko Samui (USM) if they book a flight to Koh Samui. Ko Samui is conveniently located just 2.1 mi from Koh Samui’s city center.
Can I find cheaper flights to Koh 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 Koh Samui on Cheapflights that require 1 or 2 stops for potential cost savings.
What is the best airline to fly to Koh Samui?
Based on reviews from Cheapflights users, Bangkok Airways is rated the highest out of the airlines that fly to Koh Samui.
What is the cheapest airport to fly to in Koh Samui?
Ko Samui is currently the cheapest airport to fly to in Koh Samui. One-way flights to Ko Samui typically cost £54, while return flights cost around £88.
How much is a return flight to Koh Samui?
A return flight to Koh Samui will typically cost around £141, however they can be found for as little as £108.
Where does the fastest flight to Koh Samui depart from?
For those looking to save time traveling to Koh Samui, London offers the quickest one-way flight (17 hours 30 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 Koh Samui?

Deals for Koh 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 Koh Samui?

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

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

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

Can Cheapflights notify me if prices for flights to Koh 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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£390+ Cheap flights to Koh 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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.

Flights to Koh Samui in 2025

Find the latest flights to Koh 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 17 January 2025.

Return from

One-way from

Popular in

Cheapest in

Average price

Find flight deals to Koh Samui

Cheapest flights to Koh SamuiExplore the most affordable flight options available to Koh Samui. Find the lowest fares based on data from user searches, with prices last updated on 17 January 2025.

Explore the most affordable flight options available to Koh Samui. Find the lowest fares based on data from user searches, with prices last updated on 17 January 2025.

Find flights to Koh Samui within your budget

Locate flights to Koh 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 17 January 2025.

Best time to book a flight to Koh Samui

Have a flexible travel schedule? Discover the best time to fly to Koh Samui with our price prediction graph.

Travel insights for flights to Koh Samui

Get recent, data-driven insights about flights to Koh Samui including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from London to Koh Samui. Price data was last updated on 10 January 2025.

How long is the flight to Koh Samui?

When is the cheapest time to fly to Koh Samui?

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

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

What are the cheapest airlines that fly to Koh Samui?

Rainfall in Koh Samui by month

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

Temperature in Koh Samui by month

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

Reviews of airlines servicing Koh Samui

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

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

Can I find cheaper flights to Koh Samui if I am willing to have stopovers?

What is the best airline to fly to Koh Samui?

What is the cheapest airport to fly to in Koh Samui?

How much is a return flight to Koh Samui?

Where does the fastest flight to Koh Samui depart from?

Does Ko Samui have car hire?

Are there hotels close to Ko Samui?

Travelling to a place near Koh 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 Koh Samui

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

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How does Cheapflights help users find flights to Koh Samui?

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

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

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

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Cheapest flights to Koh Samui
Explore the most affordable flight options available to Koh Samui. Find the lowest fares based on data from user searches, with prices last updated on 17 January 2025.