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 £55, 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 £179, 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, Manchester offers the quickest one-way flight (15 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).

£417+ 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 10 November 2026.

Sat 7/1115:10 -

2 stops22h 20m

Wed 18/1108:15 -

2 stops29h 15m

Deal found 5/11£742

Sun 29/1117:45 -

2 stops31h 40m

Tue 15/1218:15 -

2 stops30h 35m

Deal found 5/11£748

Sun 29/1121:05 -

2 stops28h 00m

Mon 17/515:50 -

2 stops24h 25m

Deal found 5/11£750

Tue 24/1121:20 -

1 stop15h 30m

Thu 17/1207:55 -

1 stop18h 10m

Deal found 5/11£756

Wed 18/1110:30 -

2 stops22h 05m

Mon 23/1114:05 -

2 stops23h 25m

Deal found 7/11£757

Mon 23/1121:20 -

1 stop35h 00m

Tue 8/1207:15 -

1 stop18h 50m

Deal found 5/11£759

Sun 8/1112:30 -

2 stops24h 55m

Wed 18/1107:00 -

2 stops30h 40m

Deal found 5/11£773

Mon 23/1113:05 -

1 stop21h 05m

Mon 7/1219:00 -

1 stop33h 25m

Deal found 6/11£785

Wed 30/1213:30 -

2 stops35h 15m

Mon 1/316:30 -

2 stops33h 25m

Deal found 7/11£785

Sun 22/1112:40 -

1 stop14h 55m

Thu 3/1209:20 -

1 stop18h 45m

Deal found 7/11£785

Tue 24/1109:20 -

1 stop39h 40m

Fri 4/1219:00 -

1 stop28h 05m

Deal found 7/11£787

Mon 23/1109:20 -

1 stop24h 50m

Thu 3/1206:45 -

1 stop21h 20m

Deal found 7/11£796

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 10 November 2026.

Thu 7/114:40 -

3 stops22h 45m

Thu 21/118:05 -

3 stops27h 30m

Deal found 6/11£806

Mon 22/218:40 -

2 stops19h 25m

Sun 14/316:25 -

2 stops22h 25m

Deal found 5/11£908

Fri 26/208:40 -

2 stops19h 00m

Tue 9/311:40 -

2 stops25h 15m

Deal found 6/11£940

Mon 8/320:15 -

2 stops18h 05m

Tue 16/317:40 -

2 stops25h 25m

Deal found 6/11£955

Thu 31/1208:40 -

2 stops17h 40m

Mon 18/117:05 -

2 stops20h 35m

Deal found 8/11£973

Sat 27/217:20 -

2 stops20h 45m

Tue 9/313:25 -

2 stops27h 30m

Deal found 6/11£993

Wed 18/1117:05 -

2 stops21h 00m

Mon 23/1107:55 -

2 stops18h 40m

Deal found 5/11£996

Sat 27/221:20 -

1 stop31h 30m

Sat 20/319:40 -

1 stop16h 45m

Deal found 8/11£1,089

Thu 18/213:05 -

1 stop22h 50m

Fri 5/319:50 -

1 stop17h 35m

Deal found 6/11£1,187

Fri 20/1116:00 -

2 stops18h 00m

Fri 4/1217:05 -

2 stops20h 20m

Deal found 9/11£834

Mon 23/1109:15 -

2 stops39h 45m

Mon 7/1209:20 -

2 stops34h 30m

Deal found 9/11£846

Thu 7/120:15 -

2 stops34h 35m

Sun 24/111:10 -

2 stops31h 55m

Deal found 8/11£970

Tue 1/1213:25 -

2 stops18h 55m

Tue 8/1210:00 -

2 stops29h 40m

Deal found 8/11£979

Tue 19/113:55 -

2 stops18h 40m

Thu 4/213:25 -

2 stops24h 15m

Deal found 8/11£990

Tue 9/217:20 -

2 stops31h 25m

Mon 15/213:25 -

2 stops33h 55m

Deal found 5/11£1,026

Tue 1/1220:15 -

2 stops34h 35m

Tue 8/1221:10 -

2 stops21h 55m

Deal found 8/11£979

Thu 21/118:45 -

1 stop16h 30m

Wed 3/213:25 -

1 stop23h 00m

Deal found 8/11£1,099

Wed 20/117:40 -

2 stops20h 25m

Wed 3/216:25 -

2 stops23h 15m

Deal found 8/11£1,073

Fri 20/1120:15 -

2 stops31h 20m

Tue 8/1221:10 -

2 stops21h 55m

Deal found 8/11£1,000

Mon 15/206:30 -

2 stops18h 15m

Tue 9/317:40 -

2 stops22h 30m

Deal found 5/11£1,104

Thu 17/1206:00 -

3 stops29h 15m

Wed 6/112:50 -

3 stops32h 35m

Deal found 7/11£1,014

Fri 20/1121:00 -

1 stop17h 05m

Wed 2/1216:25 -

1 stop20h 00m

Deal found 8/11£1,125

Wed 18/1113:25 -

2 stops19h 10m

Thu 26/1108:30 -

2 stops31h 10m

Deal found 9/11£1,114

Fri 20/1110:25 -

2 stops17h 15m

Fri 4/1216:40 -

3 stops23h 55m

Deal found 8/11£1,031

Tue 16/220:25 -

2 stops17h 55m

Fri 12/316:25 -

2 stops21h 15m

Deal found 5/11£1,067

Thu 10/1214:05 -

2 stops22h 40m

Thu 31/1214:05 -

3 stops28h 10m

Deal found 5/11£1,056

Sun 6/1213:25 -

2 stops19h 10m

Sun 13/1210:00 -

2 stops29h 40m

Deal found 6/11£1,164

Sat 5/1214:05 -

2 stops24h 15m

Sat 19/1215:05 -

2 stops34h 10m

Deal found 5/11£1,070

Sun 7/217:20 -

2 stops41h 55m

Fri 12/216:25 -

2 stops24h 30m

Deal found 5/11£1,358

Tue 19/108:40 -

2 stops19h 00m

Thu 4/210:00 -

2 stops29h 10m

Deal found 8/11£1,175

Find flight deals to Ko Samui

Return from	£746
One-way from	£417
Popular in	December
Cheapest in	June
Average price	£811

17/2-10/3
2 total stops
40h 10m total
London to Ko Samui

Search Deals

8/12-31/12
3 total stops
53h 50m total
London to Ko Samui

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£120 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£43 potential savings vs. average return price).

Search Deals

Average for return flights in November 2026

Search Deals

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Tue 8/12

14:55-07:45

3 stops33h 50m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£420

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Thu 14/1

07:00-12:35

3 stops22h 35m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£421

LondonKo Samui

STN London Stansted - USM Ko Samui

STNUSM

London Stansted

Sun 28/3

08:10-16:30

3 stops26h 20m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£421

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Sat 13/2

21:45-08:00

3 stops27h 15m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£423

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Fri 30/4

15:15-09:20

2 stops36h 05m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£424

LondonKo Samui

STN London Stansted - USM Ko Samui

STNUSM

London Stansted

Sat 13/2

17:00-08:00

2 stops32h 00m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£430

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Sat 27/3

18:40-07:45

3 stops30h 05m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£442

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Fri 26/3

21:45-07:45

3 stops27h 00m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£443

LondonKo Samui

SEN London Southend - USM Ko Samui

SENUSM

London Southend

Sat 1/5

19:50-08:35

3 stops30h 45m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£452

LondonKo Samui

STN London Stansted - USM Ko Samui

STNUSM

London Stansted

Sun 2/5

17:50-18:00

2 stops18h 10m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£453

Flights are sorted by cheapest return flights first.

Deals found on 8/11

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

LCY-USM

STN-USM

SEN-USM

LGW-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

LCY-USM

STN-USM

SEN-USM

LGW-USM

How long is the flight to Ko Samui?

On average, a flight from London to Ko Samui takes 19 hours 11 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

1,552 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

1,552 reviews

EVA Air

8.5

Very Good

1,552 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

1,633 reviews

EVA Air

8.5

Very Good

1,552 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

433 reviews

EVA Air

8.5

Very Good

1,552 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

7.4

Good

3,707 reviews

EVA Air

8.5

Very Good

1,552 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

8,287 reviews

EVA Air

8.5

Very Good

1,552 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 £55, 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 £179, 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, Manchester offers the quickest one-way flight (15 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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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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£417+ 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 8/12. 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 10 November 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 10 November 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 10 November 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 10 November 2026.

Last-minute flights to Ko SamuiDiscover last-minute flight deals to Ko Samui. Data last updated 10 November 2026 and is based on user searches.

Discover last-minute flight deals to Ko Samui. Data last updated 10 November 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 10 November 2026.

Search for one-way flight options to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 10 November 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 19 hours 11 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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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 10 November 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 10 November 2026.

Last-minute flights to Ko Samui
Discover last-minute flight deals to Ko Samui. Data last updated 10 November 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 10 November 2026.