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Cheap flights from Koh Samui to London Heathrow Airport from £387

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 10/6. 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 — LHR
9 May — 16 May1
1 adult
Thu 9/5
Thu 16/5

Cheap flight deals from Koh Samui to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Koh Samui (USM) to Heathrow (LHR). 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 4 May 2024.

Popular in

August

Cheapest in

October

Average price

£1,258

Round-trip from

£69
High demand for flights, 24% potential price rise
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Best time to find cheap flights, 27% potential price drop
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Average for round-trip flights in May 2024
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From Ko Samui to London Heathrow
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What is the cheapest month to fly from Koh Samui to London Heathrow Airport?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, April can be a great choice for travel to London Heathrow Airport. Flights to London Heathrow Airport from Koh Samui in April are about £1,007 on average during April, but can be found for as low as £572.

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

When flying from Koh Samui to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Qatar Airways flights from Koh Samui to Heathrow

Explore cheap flight options specifically provided by Qatar Airways for the route between Koh Samui and Heathrow. 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 892,239 searches. Data last updated 4 May 2024.
Take a look at some of the lowest-priced Qatar Airways flights heading from Koh Samui to London. Be sure to come back soon if the deals available don't appeal to you at this time.
Sun 26/517:55USM - LHR
2 stops18h 55mQatar Airways
Wed 29/515:05LHR - USM
2 stops20h 55mQatar Airways
Deal found 3/5£873
Wed 21/819:00USM - LHR
2 stops29h 00mQatar Airways
Wed 2/1010:50LHR - USM
2 stops17h 40mQatar Airways
Deal found 4/5£1,025

Cheap EVA Air flights from Koh Samui to Heathrow

Explore cheap flight options specifically provided by EVA Air for the route between Koh Samui and Heathrow. 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 892,239 searches. Data last updated 4 May 2024.
Browse through some of the cheapest EVA Air flights travelling from Koh Samui to London. Make sure to examine the flight information before completing your reservation.
Thu 9/508:45USM - LHR
1 stop16h 40mEVA Air
Tue 14/521:35LHR - USM
1 stop14h 55mEVA Air
Deal found 4/5£914
Sun 26/521:30USM - LHR
1 stop27h 55mEVA Air
Wed 29/521:35LHR - USM
1 stop14h 55mEVA Air
Deal found 3/5£948

Cheap Koh Samui to Heathrow flights in May & June 2024

Find cheap flight options from Koh Samui to Heathrow specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 892,239 searches. Prices were last updated on 4 May 2024.
Listed are some of the best fares we've found on flights departing from Koh Samui to London in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Thu 9/515:50USM - LHR
2 stops34h 40mMultiple Airlines
Tue 14/522:05LHR - USM
2 stops27h 15mMultiple Airlines
Deal found 4/5£822
Thu 9/511:10USM - LHR
3 stops39h 20mMultiple Airlines
Tue 14/513:15LHR - USM
2 stops26h 20mMultiple Airlines
Deal found 4/5£866
Sun 26/517:55USM - LHR
2 stops18h 55mQatar Airways
Wed 29/515:05LHR - USM
2 stops20h 55mQatar Airways
Deal found 3/5£873
Thu 9/508:45USM - LHR
1 stop16h 40mEVA Air
Tue 14/521:35LHR - USM
1 stop14h 55mEVA Air
Deal found 4/5£914
Sun 26/521:30USM - LHR
1 stop27h 55mEVA Air
Wed 29/521:35LHR - USM
1 stop14h 55mEVA Air
Deal found 3/5£948
Thu 9/509:15USM - LHR
1 stop15h 55mMultiple Airlines
Tue 14/522:10LHR - USM
2 stops27h 10mMultiple Airlines
Deal found 4/5£993

Koh Samui to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between Koh Samui and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 892,239 searches. Data last updated 4 May 2024.
Listed are some of the best fares we've found on flights departing from Koh Samui to London in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Thu 9/515:50USM - LHR
2 stops34h 40mMultiple Airlines
Tue 14/522:05LHR - USM
2 stops27h 15mMultiple Airlines
Deal found 4/5£822
Thu 9/511:10USM - LHR
3 stops39h 20mMultiple Airlines
Tue 14/513:15LHR - USM
2 stops26h 20mMultiple Airlines
Deal found 4/5£866
Sun 26/517:55USM - LHR
2 stops18h 55mQatar Airways
Wed 29/515:05LHR - USM
2 stops20h 55mQatar Airways
Deal found 3/5£873
Thu 9/508:45USM - LHR
1 stop16h 40mEVA Air
Tue 14/521:35LHR - USM
1 stop14h 55mEVA Air
Deal found 4/5£914
Sun 26/521:30USM - LHR
1 stop27h 55mEVA Air
Wed 29/521:35LHR - USM
1 stop14h 55mEVA Air
Deal found 3/5£948
Wed 21/813:30USM - LHR
1 stop23h 05mQantas Airways
Wed 2/1020:45LHR - USM
1 stop18h 30mQantas Airways
Deal found 4/5£971
Thu 9/509:15USM - LHR
1 stop15h 55mMultiple Airlines
Tue 14/522:10LHR - USM
2 stops27h 10mMultiple Airlines
Deal found 4/5£993
Wed 21/819:00USM - LHR
2 stops29h 00mQatar Airways
Wed 2/1010:50LHR - USM
2 stops17h 40mQatar Airways
Deal found 4/5£1,025
Wed 21/810:55USM - LHR
1 stop34h 20mCathay Pacific
Wed 2/1018:20LHR - USM
2 stops21h 15mCathay Pacific
Deal found 4/5£1,495

Koh Samui to Heathrow flights leaving soon

Find last-minute flight options from Koh Samui to Heathrow 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 892,239 searches. Data last updated 4 May 2024.
Consider one of these great deals we found on last-minute flights from Koh Samui to London. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Thu 9/515:50USM - LHR
2 stops34h 40mMultiple Airlines
Tue 14/522:05LHR - USM
2 stops27h 15mMultiple Airlines
Deal found 4/5£822
Thu 9/511:10USM - LHR
3 stops39h 20mMultiple Airlines
Tue 14/513:15LHR - USM
2 stops26h 20mMultiple Airlines
Deal found 4/5£866
Thu 9/508:45USM - LHR
1 stop16h 40mEVA Air
Tue 14/521:35LHR - USM
1 stop14h 55mEVA Air
Deal found 4/5£914
Thu 9/509:15USM - LHR
1 stop15h 55mMultiple Airlines
Tue 14/522:10LHR - USM
2 stops27h 10mMultiple Airlines
Deal found 4/5£993

One-way flights to Heathrow from Koh Samui

Search for one-way flight options from Koh Samui to Heathrow. 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 892,239 searches. Data last updated 4 May 2024.
Users travelling one-way from Koh Samui to London can select one of these great deals. Users can also find round-trip Koh Samui to London flights by using the search form above.
Mon 10/607:00USM - LHR
2 stops17h 45mEtihad Airways
Deal found 4/5£387
Thu 9/518:55USM - LHR
2 stops23h 50mEtihad Airways
Deal found 4/5£452
Mon 10/610:05USM - LHR
1 stop15h 20mMultiple Airlines
Deal found 4/5£456
Thu 9/509:15USM - LHR
1 stop16h 10mMultiple Airlines
Deal found 4/5£504

Find flights from Koh Samui to Heathrow within your budget

Customise your flight search to find flights from Koh Samui to Heathrow 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 892,239 searches. Data last updated 4 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£873 - £1,495

Route

Depart

Return

Price

Ko SamuiLondon Heathrow

USM - LHR

USMLHR

Ko Samui

Sun 26/5

2 stops18h 55m

London Heathrow

Wed 29/5

2 stops20h 55m

£873

Ko SamuiLondon Heathrow

USM - LHR

USMLHR

Ko Samui

Sun 26/5

1 stop27h 55m

London Heathrow

Wed 29/5

1 stop14h 55m

£948

Ko SamuiLondon Heathrow

USM - LHR

USMLHR

Ko Samui

Wed 21/8

1 stop23h 05m

London Heathrow

Wed 2/10

1 stop18h 30m

£971

Ko SamuiLondon Heathrow

USM - LHR

USMLHR

Ko Samui

Wed 21/8

2 stops29h 00m

London Heathrow

Wed 2/10

2 stops17h 40m

£1,025

Ko SamuiLondon Heathrow

USM - LHR

USMLHR

Ko Samui

Wed 21/8

1 stop34h 20m

London Heathrow

Wed 2/10

2 stops21h 15m

£1,495

Flights are sorted by cheapest first

Deals found on 3/5

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

Average price of flights to Heathrow by month

Plan your trip from Koh Samui to Heathrow by taking into account the cheapest months to travel. The average price of a one-way flight from Koh Samui to Heathrow is currently £449 while a return flight costs £1,062. Price data was last updated on 28 April 2024.

Currently, January is the cheapest month in which you can book a flight from Koh Samui to London Heathrow Airport (average of £111). Flying from Koh Samui to London Heathrow Airport in June is currently the most expensive (average of £171). 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

£88

February

£99

March

£95

April

£101

May

£108

June

£136

July

£135

August

£116

September

£112

October

£127

November

£92

December

£96

Temperature and rainfall in Heathrow by month

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

LON

Temperature

4 - 17 °C

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 4 May 2024.
Get a feel of what it's like to fly with Qatar Airways and EVA Air from Koh Samui to London by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,542 reviews
Check prices

Overall

8.4

Crew

8.6

Comfort

8.2

Entertainment

8.0

Food

8.0

Boarding

8.4

Reviews

1 / 10

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

EVA Air
8.4
Very Good
1,542 reviews
EVA Air
8.4
Very Good
1,542 reviews
Check prices

Overall

8.4

Crew

8.6

Comfort

8.2

Entertainment

8.0

Food

8.0

Boarding

8.4

Reviews

1 / 10

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

Cathay Pacific
7.8
Good
1,106 reviews
EVA Air
8.4
Very Good
1,542 reviews
Check prices

Overall

8.4

Crew

8.6

Comfort

8.2

Entertainment

8.0

Food

8.0

Boarding

8.4

Reviews

1 / 10

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

Qatar Airways
7.7
Good
4,440 reviews
EVA Air
8.4
Very Good
1,542 reviews
Check prices

Overall

8.4

Crew

8.6

Comfort

8.2

Entertainment

8.0

Food

8.0

Boarding

8.4

Reviews

1 / 10

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

Qantas Airways
7.7
Good
983 reviews
EVA Air
8.4
Very Good
1,542 reviews
Check prices

Overall

8.4

Crew

8.6

Comfort

8.2

Entertainment

8.0

Food

8.0

Boarding

8.4

Reviews

1 / 10

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

Etihad Airways
7.3
Good
1,376 reviews
EVA Air
8.4
Very Good
1,542 reviews
Check prices

Overall

8.4

Crew

8.6

Comfort

8.2

Entertainment

8.0

Food

8.0

Boarding

8.4

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 Heathrow. 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 Heathrow?

    For a flight from Koh Samui to London Heathrow, you will be flying from Ko Samui. Ko Samui (USM) is just 2.1 mi from the center of the city. Ko Samui is the only Koh Samui airport and it handles 0 outbound flights to London Heathrow per day. 0 airlines have flights to London Heathrow from Ko Samui on a regular basis.

  • Can I find flights from Koh Samui to London Heathrow Airport for under £900 on Cheapflights?

    Yes, there are multiple flights from Koh Samui to London Heathrow Airport for under £900. The cheapest flight booked recently is on Qatar Airways for just £873, but on average you can expect to pay £1,062.

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

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

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

    Our cheapest airline available from Koh Samui to London Heathrow Airport is Qatar Airways. Our recent data shows that you can find tickets from as low as £873 on this airline. Additional options worth looking into are EVA Air and Qantas Airways, starting at £948 and £971 round-trip. Qatar Airways is currently priced 20% below the average price you’ll pay for this route.

  • 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!

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

    The amount of baggage you can bring on your Koh Samui to Heathrow 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 Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter Koh Samui to Heathrow 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 Heathrow that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Koh Samui to Heathrow 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 Heathrow that allow pets onboard?

    Many airlines flying from Koh Samui to Heathrow 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 Heathrow?

    Yes, you can often find last-minute deals on Koh Samui to Heathrow 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 Heathrow Airport flight deals updated?

    The Koh Samui to London Heathrow Airport flight deals you see on this page were last updated on 4/5.

See more FAQs

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Search flights from Koh Samui to Heathrow by cabin class

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Koh Samui to Heathrow. 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 Heathrow?

Millions of users choose and trust Cheapflights to book the best flight deals from Koh Samui to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Need flexible booking options for your flight to Heathrow from Koh Samui? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Koh Samui to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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