Find flights
When to book
Airlines
FAQs

Cheap flights from Koh Samui to London from £348

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 19/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
USM — LON
25 May — 1 Jun1
1 adult
Sat 25/5
Sat 1/6

Cheap flight deals from Koh Samui to London

Discover tips and strategies to find the most affordable flight options for your journey from Koh Samui (USM) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 May 2024.

Popular in

June

Cheapest in

April

Average price

£955

Round-trip from

£68
High demand for flights, 32% potential price rise
Best time to find cheap flights, 43% potential price drop
Average for round-trip flights in May 2024
From Ko Samui to London (LON)

What is the cheapest day to fly round-trip from Koh Samui to London?

Travelers have found that booking a Saturday departure is the best way to save up to 7% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from Koh Samui to London?

The best pricing can be found in the month of April. Prices to London from Koh Samui average £995. You can even find prices in April for less than £995, as users have found deals to London from as low as £565. The month of June appears to be one of the more expensive times to travel to London from Koh Samui. Flying in the targeted month can save you up to 46%.

When is the cheapest time to fly from Koh Samui to London (USM - LON)?

When flying from Koh Samui to London, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 10% versus a flight in the morning.

Cheap Qatar Airways flights from Koh Samui to London

Explore cheap flight options specifically provided by Qatar Airways for the route between Koh Samui and London. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 853,037 searches. Data last updated 20 May 2024.
Find some of the cheapest Qatar Airways flights travelling from Koh Samui to London. Deals update often to give you more flight options matching your criteria
Mon 27/515:25USM - LGW
2 stops28h 00mQatar Airways
Wed 29/509:00LGW - USM
2 stops27h 00mQatar Airways
Deal found 19/5£912
Sun 26/517:55USM - LHR
2 stops18h 55mQatar Airways
Wed 29/510:50LHR - USM
2 stops19h 05mQatar Airways
Deal found 19/5£941

Cheap KLM flights from Koh Samui to London

Explore cheap flight options specifically provided by KLM for the route between Koh Samui and London. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 853,037 searches. Data last updated 20 May 2024.
Have a look at some of the cheapest available KLM flights departing from Koh Samui and landing in London. Ensure the flight price, dates, time, and airline match your criteria before you book.
Sun 26/508:00USM - LCY
2 stops31h 05mKLM
Wed 29/508:40LCY - USM
2 stops24h 05mKLM
Deal found 19/5£1,238
Wed 21/809:15USM - LCY
2 stops17h 00mKLM
Wed 2/1010:00LCY - USM
2 stops20h 45mKLM
Deal found 19/5£1,984

Cheap Koh Samui to London flights in May & June 2024

Find cheap flight options from Koh Samui to London specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 853,037 searches. Prices were last updated on 20 May 2024.
The lowest fares we've come across on flights travelling from Koh Samui to London in May and June 2024. Check back soon for alternative fares.
Sun 26/508:00USM - LHR
1 stop17h 25mEVA Air
Wed 29/521:35LHR - USM
1 stop14h 55mEVA Air
Deal found 19/5£898
Mon 27/515:25USM - LGW
2 stops28h 00mQatar Airways
Wed 29/509:00LGW - USM
2 stops27h 00mQatar Airways
Deal found 19/5£912
Sun 26/517:55USM - LHR
2 stops18h 55mQatar Airways
Wed 29/510:50LHR - USM
2 stops19h 05mQatar Airways
Deal found 19/5£941
Sun 26/508:00USM - LCY
2 stops31h 05mKLM
Wed 29/508:40LCY - USM
2 stops24h 05mKLM
Deal found 19/5£1,238

Koh Samui to London 2024 flight deals

Discover exclusive flight deals for travel between Koh Samui and London in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 853,037 searches. Data last updated 20 May 2024.
The lowest fares we've come across on flights travelling from Koh Samui to London in May and June 2024. Check back soon for alternative fares.
Sun 26/508:00USM - LHR
1 stop17h 25mEVA Air
Wed 29/521:35LHR - USM
1 stop14h 55mEVA Air
Deal found 19/5£898
Mon 27/515:25USM - LGW
2 stops28h 00mQatar Airways
Wed 29/509:00LGW - USM
2 stops27h 00mQatar Airways
Deal found 19/5£912
Sun 26/517:55USM - LHR
2 stops18h 55mQatar Airways
Wed 29/510:50LHR - USM
2 stops19h 05mQatar Airways
Deal found 19/5£941
Wed 21/813:30USM - LGW
2 stops47h 50mMultiple Airlines
Wed 2/1021:45LGW - USM
2 stops38h 35mMultiple Airlines
Deal found 19/5£1,030
Wed 21/813:30USM - LHR
1 stop23h 05mQantas Airways
Wed 2/1020:45LHR - USM
1 stop18h 30mQantas Airways
Deal found 19/5£1,034
Wed 21/818:55USM - LHR
2 stops29h 50mMultiple Airlines
Wed 2/1021:50LHR - USM
2 stops27h 30mMultiple Airlines
Deal found 19/5£1,045
Sun 26/508:00USM - LCY
2 stops31h 05mKLM
Wed 29/508:40LCY - USM
2 stops24h 05mKLM
Deal found 19/5£1,238
Wed 21/810:55USM - LHR
1 stop37h 15mCathay Pacific
Wed 2/1018:20LHR - USM
2 stops21h 15mCathay Pacific
Deal found 19/5£1,504
Wed 21/809:15USM - LCY
2 stops17h 00mKLM
Wed 2/1010:00LCY - USM
2 stops20h 45mKLM
Deal found 19/5£1,984

Koh Samui to London flights leaving soon

Find last-minute flight options from Koh Samui to London for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 853,037 searches. Data last updated 20 May 2024.
Book one of these great deals on flights from Koh Samui to London. Tip: verify your flight details before completing your reservation.
Sun 26/508:00USM - LHR
1 stop17h 25mEVA Air
Wed 29/521:35LHR - USM
1 stop14h 55mEVA Air
Deal found 19/5£898
Mon 27/515:25USM - LGW
2 stops28h 00mQatar Airways
Wed 29/509:00LGW - USM
2 stops27h 00mQatar Airways
Deal found 19/5£912
Sun 26/517:55USM - LHR
2 stops18h 55mQatar Airways
Wed 29/510:50LHR - USM
2 stops19h 05mQatar Airways
Deal found 19/5£941
Sun 26/508:00USM - LCY
2 stops31h 05mKLM
Wed 29/508:40LCY - USM
2 stops24h 05mKLM
Deal found 19/5£1,238

One-way flights to London from Koh Samui

Search for one-way flight options from Koh Samui to London. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 853,037 searches. Data last updated 20 May 2024.
Users travelling one-way from Koh Samui to London can select one of these great deals. Those needing a return flight from Koh Samui to London can use the search form above.
Wed 19/621:30USM - LGW
2 stops28h 40mMultiple Airlines
Deal found 20/5£348
Tue 2/709:00USM - LGW
3 stops36h 00mMultiple Airlines
Deal found 19/5£349
Tue 2/709:00USM - LGW
2 stops27h 35mMultiple Airlines
Deal found 19/5£361
Mon 10/621:30USM - LHR
2 stops27h 15mEtihad Airways
Deal found 19/5£387
Sat 3/809:00USM - LHR
2 stops27h 45mMultiple Airlines
Deal found 19/5£438
Mon 10/616:25USM - LGW
2 stops44h 15mMultiple Airlines
Deal found 19/5£438
Tue 2/716:25USM - LHR
2 stops35h 35mMultiple Airlines
Deal found 19/5£442
Tue 2/719:15USM - LHR
1 stop30h 10mEVA Air
Deal found 19/5£448
Mon 10/609:15USM - LHR
1 stop16h 10mEVA Air
Deal found 19/5£449

Find flights from Koh Samui to London within your budget

Customise your flight search to find flights from Koh Samui to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 853,037 searches. Data last updated 20 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£1,030 - £2,219

Route

Depart

Return

Price

Ko SamuiLondon Gatwick

USM - LGW

USMLGW

Ko Samui

Wed 21/8

2 stops47h 50m

London Gatwick

Wed 2/10

2 stops38h 35m

£1,030

Ko SamuiLondon Heathrow

USM - LHR

USMLHR

Ko Samui

Wed 21/8

1 stop23h 05m

London Heathrow

Wed 2/10

1 stop18h 30m

£1,034

Ko SamuiLondon Heathrow

USM - LHR

USMLHR

Ko Samui

Wed 21/8

2 stops29h 50m

London Heathrow

Wed 2/10

2 stops27h 30m

£1,045

Ko SamuiLondon Heathrow

USM - LHR

USMLHR

Ko Samui

Wed 21/8

1 stop37h 15m

London Heathrow

Wed 2/10

2 stops21h 15m

£1,504

Ko SamuiLondon City

USM - LCY

USMLCY

Ko Samui

Wed 21/8

2 stops17h 00m

London City

Wed 2/10

2 stops20h 45m

£1,984

Ko SamuiLondon Heathrow

USM - LHR

USMLHR

Ko Samui

Wed 21/8

2 stops28h 10m

London Heathrow

Wed 2/10

3 stops39h 20m

£2,219

Flights are sorted by cheapest first

Deals found on 19/5

No data available for this route at this time. Please check back soon.

Average price of flights to London by month

Plan your trip from Koh Samui to London by taking into account the cheapest months to travel. The average price of a one-way flight from Koh Samui to London is currently £407 while a return flight costs £1,469. Price data was last updated on 12 May 2024.

Currently, January is the cheapest month in which you can book a flight from Koh Samui to London (average of £110). Flying from Koh Samui to London in July is currently the most expensive (average of £165). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

£87

February

£98

March

£94

April

£103

May

£108

June

£129

July

£130

August

£113

September

£109

October

£124

November

£91

December

£95

Temperature and rainfall in London by month

Plan your trip to London by taking into account the average temperature and rainfall totals by month.

LON

Temperature

4 - 17 °C

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 20 May 2024.
Peruse reviews from past customers who have flown with Qatar Airways and KLM from Koh Samui to London to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.4
Very Good
1,513 reviews

Food

8.0

Comfort

8.2

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

I like Eva air. Kayak is my choice as well. Thanks for the good experience

8.4
Very Good
1,513 reviews
8.4
Very Good
1,513 reviews

Food

8.0

Comfort

8.2

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

I like Eva air. Kayak is my choice as well. Thanks for the good experience

8.2
Very Good
1,437 reviews
8.4
Very Good
1,513 reviews

Food

8.0

Comfort

8.2

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

I like Eva air. Kayak is my choice as well. Thanks for the good experience

8.1
Very Good
3,936 reviews
8.4
Very Good
1,513 reviews

Food

8.0

Comfort

8.2

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

I like Eva air. Kayak is my choice as well. Thanks for the good experience

7.9
Good
1,555 reviews
8.4
Very Good
1,513 reviews

Food

8.0

Comfort

8.2

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

I like Eva air. Kayak is my choice as well. Thanks for the good experience

7.8
Good
1,072 reviews
8.4
Very Good
1,513 reviews

Food

8.0

Comfort

8.2

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

I like Eva air. Kayak is my choice as well. Thanks for the good experience

Related info for your journey

Find useful and relevant information for your journey from Koh Samui to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Koh Samui to London?

    If you book a flight to London from Koh Samui, you will be flying from Ko Samui, which is the city’s only airport. Ko Samui (USM) is located 2.1 mi from the center of Koh Samui. There are 0 flights from Ko Samui to London per day from 0 different airlines.

  • Can I find flights from Koh Samui to London for under £1,100 on Cheapflights?

    Yes, there are multiple flights from Koh Samui to London for under £1,100. The cheapest flight booked recently is on Multiple Airlines for just £1,030, but on average you can expect to pay £1,469.

  • Are there last-minute flights available from Koh Samui to London for under £900?

    There are currently 4+ open flights from Koh Samui to London within the next 7 days for less than £900.

  • What are the cheapest airlines flying from Koh Samui to London round-trip?

    According to our current data, Qantas Airways (£1,034), Cathay Pacific (£1,504), and KLM (£1,984) offers the cheapest pricing from Koh Samui to London.

  • What are the cheapest airlines to fly from Koh Samui to London one-way?

    £387 is the cheapest one-way deal found within the past few days, from Etihad Airways. You may also be able to find cheap deals on EVA Air and Emirates, with prices starting from £448 and £454, respectively.

  • What are the most popular routes from Koh Samui to London?

  • What does USM to LHR mean?

    Great question - USM to LHR just means Ko Samui Airport to London Heathrow Airport. Now you’ll know what these unique codes when you look for flights! While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN).

  • Can I find deals for flights from Koh Samui to London that include extra baggage allowance?

    The amount of baggage you can bring on your Koh Samui to London flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Koh Samui to London with specific airlines?

    Yes, Cheapflights allows you to browse and filter Koh Samui to London flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Koh Samui to London that include hotel bookings?

    Yes. In addition to deals on Koh Samui to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Koh Samui to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Koh Samui to London.

  • Can I find deals for business class flights from Koh Samui to London?

    Yes. Cheapflights offers flight deals from Koh Samui to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Koh Samui to London that allow pets onboard?

    Many airlines flying from Koh Samui to London offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Koh Samui to London?

    Yes, you can often find last-minute deals on Koh Samui to London flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Koh Samui to London flight deals updated?

    The Koh Samui to London flight deals you see on this page were last updated on 19/5.

See more FAQs

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.

Search flights from Koh Samui to London by cabin class

Find flights from Koh Samui to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.

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 from Koh Samui to London?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Koh Samui to London. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to London from Koh Samui by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from Koh Samui to London with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Koh Samui today and book when prices fit your budget.

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.