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 £43, while return flights cost around £84.

How much is a return flight to Koh Samui?

A return flight to Koh Samui will typically cost around £193, however they can be found for as little as £105.

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 (16 hours 40 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).

£456+ Flights to Koh Samui, Thailand

Flights to Koh Samui in 2025

Return from	£798
One-way from	£456
Popular in	December
Cheapest in	September
Average price	£897

Etihad Airways
1/4-11/4
4 total stops
50h 55m total
London to Koh Samui

Search Deals

15/4
2 total stops
25h 50m total
London to Koh Samui

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£34 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£20 potential savings vs. average return price).

Search Deals

Average for return flights in February 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 21 February 2025.

Mon 1/1210:30LGW - USM

2 stops22h 05mMultiple Airlines

Sun 7/1209:20USM - LGW

2 stops28h 10mMultiple Airlines

Deal found 20/2£795

Tue 1/420:55LHR - USM

2 stops31h 35mEtihad Airways

Fri 11/417:25USM - LHR

2 stops19h 20mEtihad Airways

Deal found 19/2£798

Sat 1/320:05LHR - USM

2 stops17h 40mOman Air

Sat 8/317:40USM - LHR

2 stops31h 45mOman Air

Deal found 20/2£802

Wed 12/310:55LHR - USM

1 stop24h 35mMultiple Airlines

Mon 12/517:55USM - LHR

2 stops31h 15mMultiple Airlines

Deal found 20/2£814

Tue 1/414:20STN - USM

3 stops24h 25mMultiple Airlines

Tue 29/408:00USM - STN

3 stops45h 45mMultiple Airlines

Deal found 20/2£818

Mon 28/421:35LHR - USM

1 stop17h 10mEVA Air

Mon 26/509:15USM - LHR

1 stop16h 05mEVA Air

Deal found 20/2£820

Tue 27/510:15LGW - USM

1 stop18h 55mSingapore Airlines

Wed 4/608:45USM - LGW

1 stop27h 40mSingapore Airlines

Deal found 20/2£827

Thu 13/1114:05STN - USM

2 stops18h 30mEmirates

Thu 27/1119:10USM - STN

2 stops23h 55mEmirates

Deal found 20/2£827

Mon 1/1211:50LHR - USM

1 stop36h 20mThai Airways

Sun 7/1207:00USM - LHR

1 stop19h 35mThai Airways

Deal found 21/2£848

Tue 27/510:05LGW - USM

2 stops19h 35mEmirates

Wed 4/608:45USM - LGW

2 stops28h 35mEmirates

Deal found 20/2£863

Mon 24/210:55LHR - USM

1 stop24h 35mSingapore Airlines

Fri 4/408:45USM - LHR

1 stop37h 00mSingapore Airlines

Deal found 20/2£869

Thu 8/513:05LCY - USM

2 stops26h 05mSWISS

Thu 22/516:25USM - LCY

2 stops31h 05mSWISS

Deal found 20/2£870

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 21 February 2025.

Tue 1/420:55LHR - USM

2 stops31h 35mEtihad Airways

Fri 11/417:25USM - LHR

2 stops19h 20mEtihad Airways

Deal found 19/2£798

Sat 1/320:05LHR - USM

2 stops17h 40mOman Air

Sat 8/317:40USM - LHR

2 stops31h 45mOman Air

Deal found 20/2£802

Sat 1/306:40LGW - USM

3 stops31h 05mMultiple Airlines

Sat 8/308:50USM - LGW

3 stops28h 40mMultiple Airlines

Deal found 20/2£806

Mon 28/421:35LHR - USM

1 stop17h 10mEVA Air

Mon 26/509:15USM - LHR

1 stop16h 05mEVA Air

Deal found 20/2£820

Mon 24/210:55LHR - USM

1 stop24h 35mSingapore Airlines

Fri 4/408:45USM - LHR

1 stop37h 00mSingapore Airlines

Deal found 20/2£869

Thu 8/513:05LCY - USM

2 stops26h 05mSWISS

Thu 22/516:25USM - LCY

2 stops31h 05mSWISS

Deal found 20/2£870

Tue 20/510:05LGW - USM

2 stops19h 35mEmirates

Tue 3/616:25USM - LGW

2 stops20h 55mEmirates

Deal found 20/2£957

Thu 8/519:30LHR - USM

2 stops17h 00mAustrian Airlines

Thu 22/519:30USM - LHR

2 stops18h 50mAustrian Airlines

Deal found 20/2£1,035

Fri 7/314:05LGW - USM

2 stops37h 35mQatar Airways

Fri 14/311:40USM - LGW

2 stops25h 25mQatar Airways

Deal found 20/2£1,092

Sat 1/320:10LHR - USM

1 stop39h 05mQantas Airways

Sat 8/308:15USM - LHR

1 stop29h 00mQantas Airways

Deal found 20/2£1,124

Thu 13/318:15LCY - USM

2 stops35h 50mLufthansa

Thu 20/313:25USM - LCY

2 stops34h 15mLufthansa

Deal found 20/2£1,167

Mon 14/417:00LHR - USM

1 stop19h 35mCathay Pacific

Sun 27/410:55USM - LHR

1 stop34h 20mCathay Pacific

Deal found 20/2£1,182

Last-minute flights to Koh Samui
Discover last-minute flight deals to Koh Samui. Data last updated 21 February 2025 and is based on user searches.

Sun 23/206:10STN - USM

2 stops19h 30mMultiple Airlines

Tue 11/308:30USM - STN

3 stops45h 40mMultiple Airlines

Deal found 20/2£856

Mon 24/210:55LHR - USM

1 stop24h 35mSingapore Airlines

Fri 4/408:45USM - LHR

1 stop37h 00mSingapore Airlines

Deal found 20/2£869

Sat 1/320:05LHR - USM

2 stops17h 40mOman Air

Sat 8/317:40USM - LHR

2 stops31h 45mOman Air

Deal found 20/2£802

Sat 1/306:40LGW - USM

3 stops31h 05mMultiple Airlines

Sat 8/308:50USM - LGW

3 stops28h 40mMultiple Airlines

Deal found 20/2£806

Sat 1/313:00LHR - USM

2 stops20h 25mMultiple Airlines

Mon 31/315:25USM - LHR

3 stops33h 15mMultiple Airlines

Deal found 20/2£875

Sat 1/321:20LHR - USM

1 stop27h 20mEVA Air

Mon 31/319:15USM - LHR

1 stop30h 05mEVA Air

Deal found 20/2£877

Sat 1/314:05STN - USM

2 stops21h 10mMultiple Airlines

Mon 31/321:10USM - STN

2 stops21h 45mMultiple Airlines

Deal found 20/2£997

Sat 1/320:10LHR - USM

1 stop39h 05mQantas Airways

Sat 8/308:15USM - LHR

1 stop29h 00mQantas Airways

Deal found 20/2£1,124

Sat 1/306:55LHR - USM

2 stops29h 40mCathay Pacific

Sat 22/311:40USM - LHR

1 stop25h 40mCathay Pacific

Deal found 20/2£1,444

Sat 1/312:20LCY - USM

2 stops25h 45mSWISS

Tue 18/309:20USM - LCY

2 stops30h 25mSWISS

Deal found 20/2£1,483

Sat 1/314:05STN - USM

2 stops21h 10mEmirates

Sat 8/315:35USM - STN

2 stops27h 30mEmirates

Deal found 20/2£1,646

Sat 1/309:20LGW - USM

1 stop25h 55mSingapore Airlines

Wed 26/319:25USM - LGW

1 stop42h 15mSingapore Airlines

Deal found 20/2£1,948

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 21 February 2025.

Tue 15/412:35LGW - USM

2 stops25h 50mMultiple Airlines

Deal found 20/2£456

Tue 15/406:05LTN - USM

3 stops43h 45mMultiple Airlines

Deal found 20/2£459

Wed 30/414:45LHR - USM

2 stops35h 30mEtihad Airways

Deal found 21/2£464

Mon 12/510:00LHR - USM

2 stops23h 10mGulf Air

Deal found 20/2£473

Mon 12/514:55STN - USM

2 stops38h 45mEmirates

Deal found 20/2£488

Mon 12/514:30LGW - USM

2 stops39h 10mEmirates

Deal found 20/2£494

Wed 30/408:55LHR - USM

3 stops30h 40mMultiple Airlines

Deal found 21/2£497

Wed 30/421:35LHR - USM

1 stop18h 00mEVA Air

Deal found 21/2£535

Mon 12/508:10LCY - USM

2 stops22h 35mSWISS

Deal found 20/2£618

Tue 15/408:25STN - USM

2 stops18h 55mMultiple Airlines

Deal found 20/2£644

Tue 15/408:30LCY - USM

2 stops19h 40mMultiple Airlines

Deal found 20/2£648

Sat 12/412:10LCY - USM

2 stops20h 35mKLM

Deal found 20/2£868

Find flights to Koh Samui within your budget

Fly from

Route

Depart

Return

Price

LondonKoh Samui

LHR - USM

LHRUSM

London Heathrow

Tue 1/4

20:55-10:30

2 stops31h 35m

Ko Samui

Fri 11/4

17:25-06:45

2 stops19h 20m

£798

LondonKoh Samui

LHR - USM

LHRUSM

London Heathrow

Wed 12/3

10:55-18:30

1 stop24h 35m

Ko Samui

Mon 12/5

17:55-19:10

2 stops31h 15m

£814

LondonKoh Samui

STN - USM

STNUSM

London Stansted

Tue 1/4

14:20-20:45

3 stops24h 25m

Ko Samui

Tue 29/4

08:00-23:45

3 stops45h 45m

£818

LondonKoh Samui

LHR - USM

LHRUSM

London Heathrow

Mon 28/4

21:35-20:45

1 stop17h 10m

Ko Samui

Mon 26/5

09:15-19:20

1 stop16h 05m

£820

LondonKoh Samui

LGW - USM

LGWUSM

London Gatwick

Tue 27/5

10:15-11:10

1 stop18h 55m

Ko Samui

Wed 4/6

08:45-06:25

1 stop27h 40m

£827

LondonKoh Samui

LGW - USM

LGWUSM

London Gatwick

Wed 12/3

16:35-20:45

3 stops21h 10m

Ko Samui

Mon 12/5

10:55-06:40

2 stops25h 45m

£838

LondonKoh Samui

LGW - USM

LGWUSM

London Gatwick

Tue 27/5

10:05-11:40

2 stops19h 35m

Ko Samui

Wed 4/6

08:45-07:20

2 stops28h 35m

£863

LondonKoh Samui

LCY - USM

LCYUSM

London City

Thu 8/5

13:05-21:10

2 stops26h 05m

Ko Samui

Thu 22/5

16:25-17:30

2 stops31h 05m

£870

LondonKoh Samui

LGW - USM

LGWUSM

London Gatwick

Sat 24/5

09:00-10:30

2 stops43h 30m

Ko Samui

Wed 11/6

14:30-06:40

2 stops22h 10m

£886

LondonKoh Samui

LHR - USM

LHRUSM

London Heathrow

Tue 20/5

12:10-12:45

2 stops18h 35m

Ko Samui

Tue 3/6

09:15-21:45

2 stops18h 30m

£901

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 46 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 11 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 20 hours 7 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 Wednesday afternoons, 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 Koh Samui?

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

EVA Air

From £956

Thai Airways

From £1,052

British Airways

From £976

Singapore Airlines

From £882

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 EVA Air, Emirates 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

1,200 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

EVA Air

8.4

Very Good

1,200 reviews

EVA Air

8.4

Very Good

1,200 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Emirates

8.1

Very Good

3,276 reviews

EVA Air

8.4

Very Good

1,200 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Singapore Airlines

8.1

Very Good

1,299 reviews

EVA Air

8.4

Very Good

1,200 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

KLM

7.8

Good

1,333 reviews

EVA Air

8.4

Very Good

1,200 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

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 £43, while return flights cost around £84.
How much is a return flight to Koh Samui?
A return flight to Koh Samui will typically cost around £193, however they can be found for as little as £105.
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 (16 hours 40 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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Ko Pha Ngan

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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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£456+ 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 15/4. 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 21 February 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 21 February 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 21 February 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 21 February 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 14 February 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 EVA Air, Emirates 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

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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 21 February 2025.