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 £89.

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 £115.

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 (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).

£425+ Flights to Ko Samui, Thailand

Flights to Ko Samui in 2025

Return from	£770
One-way from	£425
Popular in	December
Cheapest in	September
Average price	£880

22/4-29/4
6 total stops
55h 55m total
London to Ko Samui

Search Deals

8/4
3 total stops
42h 55m total
London to Ko Samui

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£33 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£19 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 8 March 2025.

Thu 6/1114:00LGW - USM

2 stops22h 50mMultiple Airlines

Fri 28/1108:30USM - LGW

2 stops34h 30mMultiple Airlines

Deal found 7/3£765

Tue 3/617:50LCY - USM

2 stops18h 25mKLM

Tue 17/610:55USM - LCY

2 stops27h 15mKLM

Deal found 8/3£765

Tue 22/414:35LTN - USM

3 stops24h 10mMultiple Airlines

Tue 29/421:00USM - LTN

3 stops31h 45mMultiple Airlines

Deal found 8/3£770

Thu 5/622:40LHR - USM

2 stops26h 40mMultiple Airlines

Fri 20/615:25USM - LHR

2 stops32h 20mMultiple Airlines

Deal found 7/3£771

Sun 1/622:05LHR - USM

2 stops32h 40mGulf Air

Sun 22/608:45USM - LHR

2 stops28h 10mGulf Air

Deal found 7/3£778

Tue 27/518:35LGW - USM

2 stops20h 35mSWISS

Wed 4/616:25USM - LGW

2 stops31h 30mSWISS

Deal found 7/3£787

Thu 3/713:05STN - USM

3 stops25h 25mMultiple Airlines

Wed 23/719:25USM - STN

2 stops28h 35mMultiple Airlines

Deal found 7/3£800

Sat 7/605:30LGW - USM

2 stops30h 45mTurkish Airlines

Sat 28/608:00USM - LGW

2 stops20h 20mTurkish Airlines

Deal found 7/3£806

Tue 20/521:35LHR - USM

1 stop18h 00mEVA Air

Thu 5/607:00USM - LHR

1 stop18h 20mEVA Air

Deal found 7/3£820

Wed 5/1114:05STN - USM

2 stops19h 55mEmirates

Wed 19/1119:10USM - STN

2 stops23h 55mEmirates

Deal found 7/3£827

Mon 12/509:25LHR - USM

1 stop16h 25mSingapore Airlines

Fri 23/508:45USM - LHR

1 stop37h 00mSingapore Airlines

Deal found 7/3£829

Thu 6/1111:50LHR - USM

1 stop15h 45mThai Airways

Fri 28/1109:20USM - LHR

1 stop17h 15mThai Airways

Deal found 7/3£830

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 8 March 2025.

Tue 22/414:35LTN - USM

3 stops24h 10mMultiple Airlines

Tue 29/421:00USM - LTN

3 stops31h 45mMultiple Airlines

Deal found 8/3£770

Sun 1/622:05LHR - USM

2 stops32h 40mGulf Air

Sun 22/608:45USM - LHR

2 stops28h 10mGulf Air

Deal found 7/3£778

Tue 27/518:35LGW - USM

2 stops20h 35mSWISS

Wed 4/616:25USM - LGW

2 stops31h 30mSWISS

Deal found 7/3£787

Sat 7/605:30LGW - USM

2 stops30h 45mTurkish Airlines

Sat 28/608:00USM - LGW

2 stops20h 20mTurkish Airlines

Deal found 7/3£806

Tue 20/510:00LCY - USM

2 stops20h 45mKLM

Thu 5/608:45USM - LCY

2 stops28h 30mKLM

Deal found 7/3£820

Tue 20/521:35LHR - USM

1 stop18h 00mEVA Air

Thu 5/607:00USM - LHR

1 stop18h 20mEVA Air

Deal found 7/3£820

Mon 12/509:25LHR - USM

1 stop16h 25mSingapore Airlines

Fri 23/508:45USM - LHR

1 stop37h 00mSingapore Airlines

Deal found 7/3£829

Tue 27/514:30LGW - USM

2 stops40h 15mEmirates

Thu 5/614:00USM - LGW

2 stops35h 45mEmirates

Deal found 8/3£857

Sat 24/519:45LHR - USM

2 stops35h 00mAir France

Fri 6/610:55USM - LHR

2 stops27h 05mAir France

Deal found 7/3£868

Mon 9/614:55LGW - USM

2 stops24h 40mQatar Airways

Thu 26/620:50USM - LGW

2 stops22h 35mQatar Airways

Deal found 7/3£906

Wed 13/818:20LHR - USM

1 stop18h 15mCathay Pacific

Tue 16/910:55USM - LHR

1 stop39h 40mCathay Pacific

Deal found 8/3£954

Tue 18/318:15LCY - USM

2 stops19h 50mLufthansa

Tue 1/413:30USM - LCY

2 stops24h 40mLufthansa

Deal found 6/3£1,026

Last-minute flights to Ko Samui
Discover last-minute flight deals to Ko Samui. Data last updated 8 March 2025 and is based on user searches.

Mon 10/306:20LHR - USM

2 stops31h 45mAir France

Fri 4/410:55USM - LHR

2 stops27h 05mAir France

Deal found 7/3£865

Wed 12/315:30LHR - USM

2 stops22h 20mQatar Airways

Mon 14/419:15USM - LHR

2 stops24h 00mQatar Airways

Deal found 8/3£1,073

Fri 14/316:05LHR - USM

2 stops21h 40mMultiple Airlines

Sat 22/315:50USM - LHR

2 stops33h 35mMultiple Airlines

Deal found 7/3£773

Mon 17/308:30LCY - USM

2 stops29h 15mMultiple Airlines

Fri 11/408:45USM - LCY

2 stops31h 20mMultiple Airlines

Deal found 7/3£880

Mon 17/322:05LHR - USM

1 stop29h 45mSingapore Airlines

Fri 11/408:45USM - LHR

1 stop37h 00mSingapore Airlines

Deal found 7/3£950

Mon 17/309:50LGW - USM

2 stops22h 05mQatar Airways

Fri 11/421:10USM - LGW

2 stops22h 15mQatar Airways

Deal found 7/3£1,246

Tue 18/321:20LHR - USM

1 stop15h 30mEVA Air

Tue 1/408:45USM - LHR

1 stop16h 35mEVA Air

Deal found 6/3£933

Tue 18/309:20LGW - USM

1 stop26h 10mMultiple Airlines

Tue 1/419:15USM - LGW

2 stops25h 45mMultiple Airlines

Deal found 6/3£940

Tue 18/318:15LCY - USM

2 stops19h 50mLufthansa

Tue 1/413:30USM - LCY

2 stops24h 40mLufthansa

Deal found 6/3£1,026

Tue 18/309:20LGW - USM

1 stop26h 10mSingapore Airlines

Tue 1/408:45USM - LGW

1 stop27h 40mSingapore Airlines

Deal found 6/3£1,102

Tue 18/317:05LCY - USM

2 stops21h 00mKLM

Wed 26/311:40USM - LCY

2 stops28h 10mKLM

Deal found 7/3£1,234

Tue 18/314:05STN - USM

2 stops21h 10mMultiple Airlines

Tue 1/421:10USM - STN

2 stops21h 45mMultiple Airlines

Deal found 6/3£1,307

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 8 March 2025.

Tue 8/417:35LGW - USM

3 stops42h 55mMultiple Airlines

Deal found 8/3£425

Thu 10/407:10LTN - USM

2 stops42h 40mMultiple Airlines

Deal found 8/3£425

Tue 8/422:05STN - USM

3 stops29h 15mMultiple Airlines

Deal found 8/3£429

Tue 8/422:15LHR - USM

2 stops38h 15mMultiple Airlines

Deal found 8/3£480

Thu 13/320:55LHR - USM

2 stops16h 55mEtihad Airways

Deal found 8/3£497

Fri 27/613:45LHR - USM

2 stops20h 50mQatar Airways

Deal found 8/3£518

Fri 27/609:05LHR - USM

2 stops43h 05mEmirates

Deal found 7/3£550

Thu 13/321:20LHR - USM

1 stop16h 35mEVA Air

Deal found 8/3£579

Mon 30/621:45LGW - USM

2 stops29h 35mEmirates

Deal found 7/3£614

Thu 13/306:00LGW - USM

2 stops18h 40mTurkish Airlines

Deal found 8/3£641

Mon 30/614:55STN - USM

2 stops24h 15mEmirates

Deal found 7/3£677

Fri 27/621:25LHR - USM

1 stop14h 20mThai Airways

Deal found 8/3£679

Find flights to Ko Samui within your budget

Fly from

Route

Depart

Return

Price

LondonKo Samui

LCY - USM

LCYUSM

London City

Tue 3/6

17:50-18:15

2 stops18h 25m

Ko Samui

Tue 17/6

10:55-08:10

2 stops27h 15m

£765

LondonKo Samui

LTN - USM

LTNUSM

London Luton

Tue 22/4

14:35-20:45

3 stops24h 10m

Ko Samui

Tue 29/4

21:00-22:45

3 stops31h 45m

£770

LondonKo Samui

LHR - USM

LHRUSM

London Heathrow

Thu 5/6

22:40-07:20

2 stops26h 40m

Ko Samui

Fri 20/6

15:25-17:45

2 stops32h 20m

£771

LondonKo Samui

LHR - USM

LHRUSM

London Heathrow

Sun 1/6

22:05-12:45

2 stops32h 40m

Ko Samui

Sun 22/6

08:45-06:55

2 stops28h 10m

£778

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Thu 24/4

11:35-20:25

3 stops26h 50m

Ko Samui

Wed 30/4

19:00-15:00

2 stops26h 00m

£783

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Tue 27/5

18:35-21:10

2 stops20h 35m

Ko Samui

Wed 4/6

16:25-17:55

2 stops31h 30m

£787

LondonKo Samui

STN - USM

STNUSM

London Stansted

Thu 3/7

13:05-20:30

3 stops25h 25m

Ko Samui

Wed 23/7

19:25-18:00

2 stops28h 35m

£800

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Sat 7/6

05:30-18:15

2 stops30h 45m

Ko Samui

Sat 28/6

08:00-22:20

2 stops20h 20m

£806

LondonKo Samui

LHR - USM

LHRUSM

London Heathrow

Tue 20/5

21:35-21:35

1 stop18h 00m

Ko Samui

Thu 5/6

07:00-19:20

1 stop18h 20m

£820

LondonKo Samui

LHR - USM

LHRUSM

London Heathrow

Mon 12/5

09:25-07:50

1 stop16h 25m

Ko Samui

Fri 23/5

08:45-15:45

1 stop37h 00m

£829

Flights are sorted by cheapest return flights first.

Deals found on 8/3

Showing 1-10 of 48 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.

Travel insights for flights to Ko Samui

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

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 11 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 19 hours 33 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 £1,052

British Airways

From £979

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, 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

1,181 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

1,181 reviews

EVA Air

8.4

Very Good

1,181 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

8.1

Very Good

3,226 reviews

EVA Air

8.4

Very Good

1,181 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

1,282 reviews

EVA Air

8.4

Very Good

1,181 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

1,322 reviews

EVA Air

8.4

Very Good

1,181 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

315 reviews

EVA Air

8.4

Very Good

1,181 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 £89.
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 £115.
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 (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

Ko Tao

Ko Pha Ngan

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

£425+ 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 8/4. 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 8 March 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 8 March 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 8 March 2025.

Find flights to Ko Samui within your budget

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 8 March 2025.

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.

Travel insights for flights to Ko Samui

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

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 28 February 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, 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.

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?

100% Free

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 8 March 2025.