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 £54, 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 £188, 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, London offers the quickest one-way flight (15 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).

£347+ 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 26 October 2026.

Tue 10/1110:30 -

2 stops26h 55m

Mon 16/1107:00 -

2 stops30h 30m

Deal found 24/10£684

Wed 11/1112:30 -

2 stops24h 55m

Sat 21/1107:00 -

2 stops30h 25m

Deal found 24/10£684

Tue 10/1107:10 -

3 stops25h 30m

Tue 24/1120:20 -

2 stops26h 15m

Deal found 23/10£686

Wed 2/1210:30 -

3 stops27h 20m

Sun 13/1219:00 -

2 stops26h 00m

Deal found 22/10£687

Sat 5/1210:30 -

2 stops27h 50m

Sun 20/1207:00 -

2 stops30h 30m

Deal found 25/10£687

Mon 30/1117:00 -

2 stops34h 40m

Sun 28/215:35 -

2 stops21h 55m

Deal found 25/10£688

Fri 4/1219:10 -

2 stops29h 25m

Mon 14/1219:00 -

1 stop33h 25m

Deal found 21/10£689

Tue 1/1210:30 -

2 stops21h 40m

Tue 8/1211:10 -

1 stop17h 15m

Deal found 25/10£690

Thu 26/1110:30 -

2 stops24h 55m

Sat 12/1211:10 -

2 stops33h 50m

Deal found 21/10£691

Sun 22/1121:00 -

2 stops30h 40m

Sun 29/1111:10 -

2 stops37h 20m

Deal found 22/10£692

Sun 22/1121:00 -

2 stops30h 40m

Sun 6/1218:15 -

2 stops30h 15m

Deal found 22/10£693

Wed 9/1209:50 -

1 stop15h 35m

Wed 16/1219:00 -

1 stop29h 55m

Deal found 25/10£693

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 26 October 2026.

Sat 28/1117:15 -

3 stops20h 10m

Sat 5/1215:35 -

3 stops25h 50m

Deal found 21/10£764

Wed 30/1220:05 -

2 stops32h 45m

Mon 1/314:05 -

2 stops35h 20m

Deal found 21/10£779

Fri 20/1117:40 -

2 stops20h 25m

Tue 1/1209:20 -

2 stops38h 45m

Deal found 21/10£841

Wed 11/1117:05 -

2 stops21h 00m

Sun 15/1107:55 -

2 stops18h 40m

Deal found 24/10£927

Fri 20/1113:40 -

2 stops24h 25m

Mon 30/1118:15 -

2 stops24h 25m

Deal found 25/10£1,037

Mon 16/1117:50 -

1 stop18h 45m

Wed 18/1111:40 -

1 stop24h 45m

Deal found 25/10£1,136

Thu 18/213:05 -

1 stop22h 50m

Fri 5/313:25 -

1 stop26h 40m

Deal found 22/10£1,176

Tue 5/108:40 -

2 stops17h 40m

Tue 2/215:35 -

2 stops21h 20m

Deal found 21/10£1,250

Mon 1/221:20 -

1 stop17h 00m

Mon 15/218:30 -

1 stop17h 55m

Deal found 25/10£1,291

Sun 6/1216:20 -

3 stops22h 00m

Wed 16/1215:50 -

3 stops26h 25m

Deal found 23/10£765

Mon 4/120:05 -

2 stops31h 30m

Tue 19/113:45 -

2 stops35h 40m

Deal found 21/10£781

Sat 12/1206:40 -

2 stops19h 00m

Tue 22/1207:45 -

1 stop20h 20m

Deal found 25/10£774

Thu 3/1213:25 -

2 stops19h 10m

Wed 16/1210:00 -

2 stops29h 40m

Deal found 25/10£951

Mon 30/1116:25 -

3 stops21h 25m

Thu 31/1212:30 -

3 stops29h 45m

Deal found 22/10£818

Mon 23/1113:40 -

2 stops24h 25m

Mon 30/1118:15 -

2 stops26h 35m

Deal found 23/10£1,044

Thu 10/1213:25 -

2 stops19h 10m

Thu 17/1210:00 -

2 stops29h 40m

Deal found 26/10£965

Sun 13/1222:05 -

3 stops26h 55m

Mon 28/1215:50 -

3 stops26h 25m

Deal found 22/10£826

Thu 18/213:05 -

1 stop22h 50m

Thu 4/319:50 -

1 stop17h 35m

Deal found 24/10£1,184

Fri 20/1113:40 -

2 stops24h 25m

Mon 30/1118:15 -

2 stops26h 35m

Deal found 25/10£1,097

Sat 21/1117:15 -

3 stops34h 25m

Sat 28/1116:30 -

3 stops24h 55m

Deal found 21/10£862

Sun 6/1213:25 -

2 stops19h 10m

Wed 16/1210:00 -

2 stops29h 40m

Deal found 23/10£1,049

Mon 1/209:20 -

1 stop18h 35m

Mon 15/208:55 -

1 stop55h 10m

Deal found 24/10£1,217

Mon 30/1110:00 -

2 stops20h 05m

Mon 1/308:30 -

2 stops18h 05m

Deal found 25/10£1,370

Mon 18/113:25 -

2 stops19h 10m

Wed 17/210:00 -

2 stops29h 40m

Deal found 23/10£1,090

Wed 18/1110:20 -

2 stops18h 35m

Wed 25/1116:30 -

3 stops29h 30m

Deal found 23/10£940

Fri 4/1220:25 -

2 stops17h 55m

Tue 22/1220:30 -

2 stops22h 10m

Deal found 24/10£1,262

Fri 8/113:25 -

2 stops18h 45m

Thu 28/110:00 -

2 stops29h 40m

Deal found 23/10£1,167

Sun 4/415:45 -

2 stops18h 50m

Mon 26/415:50 -

3 stops28h 50m

Deal found 23/10£1,024

Sat 28/1112:15 -

2 stops20h 05m

Tue 23/210:00 -

2 stops29h 40m

Deal found 21/10£1,262

Tue 24/1109:50 -

2 stops19h 05m

Tue 1/1217:05 -

3 stops31h 35m

Deal found 25/10£1,063

Find flight deals to Ko Samui

Return from	£684
One-way from	£300
Popular in	December
Cheapest in	November
Average price	£891

10/11-16/11
4 total stops
57h 25m total
London to Ko Samui

Search Deals

3/3-31/12
2 total stops
31h 10m total
London to Ko Samui

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£121 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£46 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

Mon 30/11

06:20-18:55

3 stops53h 35m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£352

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Sat 9/1

18:45-06:55

3 stops53h 10m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£359

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Thu 3/12

06:05-18:55

3 stops53h 50m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£373

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Thu 8/4

08:25-10:30

3 stops44h 05m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£377

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Sun 28/2

15:05-20:25

3 stops22h 20m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£397

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Tue 10/11

10:40-07:10

2 stops37h 30m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£413

LondonKo Samui

SEN London Southend - USM Ko Samui

SENUSM

London Southend

Mon 30/11

07:05-21:20

3 stops31h 15m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£415

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Thu 31/12

06:15-21:20

3 stops32h 05m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£416

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Wed 4/11

13:20-13:50

3 stops41h 30m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£430

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Thu 1/4

06:45-12:45

3 stops24h 00m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£433

Flights are sorted by cheapest return flights first.

Deals found on 22/10

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

LGW-USM

LHR-USM

LTN-USM

LCY-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

LGW-USM

LHR-USM

LTN-USM

LCY-USM

How long is the flight to Ko Samui?

On average, a flight from London to Ko Samui takes 18 hours 25 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

1,551 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

1,551 reviews

EVA Air

8.5

Very Good

1,551 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

1,627 reviews

EVA Air

8.5

Very Good

1,551 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

431 reviews

EVA Air

8.5

Very Good

1,551 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

3,707 reviews

EVA Air

8.5

Very Good

1,551 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

8,268 reviews

EVA Air

8.5

Very Good

1,551 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 £54, 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 £188, 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, London offers the quickest one-way flight (15 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 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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£347+ 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 30/11. 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 26 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 26 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 26 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 26 October 2026.

Last-minute flights to Ko SamuiDiscover last-minute flight deals to Ko Samui. Data last updated 26 October 2026 and is based on user searches.

Discover last-minute flight deals to Ko Samui. Data last updated 26 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 26 October 2026.

Search for one-way flight options to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 26 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 25 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 26 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 26 October 2026.

Last-minute flights to Ko Samui
Discover last-minute flight deals to Ko Samui. Data last updated 26 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 26 October 2026.