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Cheap flights from Koh Samui to London Heathrow Airport from £336

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 22/5. 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
20 May — 27 May1
1 adult
Mon 20/5
Mon 27/5

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 15 May 2024.

Round-trip from

£69
From Ko Samui to London Heathrow
Search Deals

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

Sunday is generally a great day to depart. Flying on this day could help you save up to 4%.

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 £1,000 on average during April, but can be found for as low as £568.

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

It’s typically best to fly out from Koh Samui to London Heathrow Airport in the morning. Doing so could potentially save you 20% on the flight price compared to flying at midday, which is usually more expensive.

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 849,850 searches. Data last updated 15 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 26/515:25USM - LHR
2 stops21h 25mQatar Airways
Wed 29/515:30LHR - USM
2 stops19h 25mQatar Airways
Deal found 13/5£886
Sun 26/517:55USM - LHR
2 stops18h 55mQatar Airways
Wed 29/510:50LHR - USM
2 stops17h 40mQatar Airways
Deal found 14/5£890
Sat 7/907:00USM - LHR
2 stops19h 25mQatar Airways
Mon 30/910:50LHR - USM
2 stops17h 40mQatar Airways
Deal found 14/5£966
Thu 5/917:55USM - LHR
2 stops18h 30mQatar Airways
Mon 30/910:50LHR - USM
2 stops17h 40mQatar Airways
Deal found 14/5£982
Fri 6/917:55USM - LHR
2 stops18h 30mQatar Airways
Mon 30/910:50LHR - USM
2 stops17h 40mQatar Airways
Deal found 14/5£994

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 849,850 searches. Data last updated 15 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 13/608:00USM - LHR
1 stop17h 25mEVA Air
Thu 20/621:35LHR - USM
1 stop16h 55mEVA Air
Deal found 14/5£837
Sun 26/508:00USM - LHR
1 stop17h 25mEVA Air
Wed 29/521:35LHR - USM
1 stop16h 55mEVA Air
Deal found 14/5£887
Sun 26/521:15USM - LHR
1 stop28h 10mEVA Air
Wed 29/521:35LHR - USM
1 stop14h 55mEVA Air
Deal found 13/5£891

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 849,850 searches. Prices were last updated on 15 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.
Sun 26/508:00USM - LHR
1 stop17h 25mEVA Air
Wed 29/521:35LHR - USM
1 stop16h 55mEVA Air
Deal found 14/5£887
Sun 26/517:55USM - LHR
2 stops18h 55mQatar Airways
Wed 29/510:50LHR - USM
2 stops17h 40mQatar Airways
Deal found 14/5£890

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 849,850 searches. Data last updated 15 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.
Sun 26/508:00USM - LHR
1 stop17h 25mEVA Air
Wed 29/521:35LHR - USM
1 stop16h 55mEVA Air
Deal found 14/5£887
Sun 26/517:55USM - LHR
2 stops18h 55mQatar Airways
Wed 29/510:50LHR - USM
2 stops17h 40mQatar Airways
Deal found 14/5£890
Wed 21/813:30USM - LHR
1 stop23h 05mQantas Airways
Wed 2/1020:45LHR - USM
1 stop18h 30mQantas Airways
Deal found 15/5£1,022
Wed 21/818:55USM - LHR
2 stops29h 50mMultiple Airlines
Wed 2/1021:50LHR - USM
2 stops27h 30mMultiple Airlines
Deal found 15/5£1,032
Wed 10/710:05USM - LHR
1 stop15h 20mMultiple Airlines
Tue 16/721:35LHR - USM
1 stop14h 55mMultiple Airlines
Deal found 15/5£1,479
Wed 21/810:55USM - LHR
1 stop37h 15mCathay Pacific
Wed 2/1018:20LHR - USM
2 stops20h 40mCathay Pacific
Deal found 15/5£1,486
Tue 9/708:00USM - LHR
2 stops19h 25mAir France
Wed 17/717:35LHR - USM
2 stops21h 40mAir France
Deal found 15/5£1,526
Wed 10/710:05USM - LHR
1 stop15h 20mMultiple Airlines
Wed 17/721:35LHR - USM
1 stop14h 55mMultiple Airlines
Deal found 15/5£1,528
Tue 9/708:00USM - LHR
2 stops19h 25mMultiple Airlines
Thu 18/715:05LHR - USM
2 stops24h 10mMultiple Airlines
Deal found 15/5£1,559

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 849,850 searches. Data last updated 15 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.
Wed 22/515:25USM - LHR
2 stops34h 35mMultiple Airlines
Deal found 14/5£336
Sat 21/918:55USM - LHR
2 stops52h 10mMultiple Airlines
Deal found 14/5£342
Wed 22/518:35USM - LHR
3 stops30h 05mMultiple Airlines
Deal found 14/5£345
Tue 21/521:15USM - LHR
2 stops28h 45mMultiple Airlines
Deal found 14/5£348
Tue 21/508:00USM - LHR
3 stops40h 40mMultiple Airlines
Deal found 14/5£353
Wed 12/621:30USM - LHR
3 stops30h 05mMultiple Airlines
Deal found 15/5£366
Mon 10/608:00USM - LHR
2 stops38h 35mMultiple Airlines
Deal found 15/5£377
Tue 11/621:30USM - LHR
2 stops27h 15mEtihad Airways
Deal found 15/5£379
Wed 12/621:15USM - LHR
2 stops27h 30mEtihad Airways
Deal found 15/5£383

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 849,850 searches. Data last updated 15 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£813 - £1,420

Route

Depart

Return

Price

Ko SamuiLondon Heathrow

USM - LHR

USMLHR

Ko Samui

Thu 13/6

2 stops21h 15m

London Heathrow

Thu 20/6

2 stops27h 30m

£813

Ko SamuiLondon Heathrow

USM - LHR

USMLHR

Ko Samui

Thu 13/6

1 stop17h 25m

London Heathrow

Thu 20/6

1 stop16h 55m

£837

Ko SamuiLondon Heathrow

USM - LHR

USMLHR

Ko Samui

Wed 4/9

1 stop23h 05m

London Heathrow

Wed 2/10

1 stop18h 30m

£863

Ko SamuiLondon Heathrow

USM - LHR

USMLHR

Ko Samui

Sat 7/9

2 stops17h 45m

London Heathrow

Thu 3/10

2 stops27h 15m

£867

Ko SamuiLondon Heathrow

USM - LHR

USMLHR

Ko Samui

Sun 26/5

2 stops21h 25m

London Heathrow

Wed 29/5

2 stops19h 25m

£886

Ko SamuiLondon Heathrow

USM - LHR

USMLHR

Ko Samui

Wed 4/9

2 stops18h 55m

London Heathrow

Tue 1/10

2 stops20h 00m

£1,124

Ko SamuiLondon Heathrow

USM - LHR

USMLHR

Ko Samui

Wed 4/9

2 stops39h 40m

London Heathrow

Wed 2/10

3 stops39h 20m

£1,320

Ko SamuiLondon Heathrow

USM - LHR

USMLHR

Ko Samui

Mon 2/9

2 stops41h 40m

London Heathrow

Tue 1/10

2 stops19h 50m

£1,389

Ko SamuiLondon Heathrow

USM - LHR

USMLHR

Ko Samui

Wed 4/9

1 stop25h 25m

London Heathrow

Fri 4/10

2 stops22h 00m

£1,420

Flights are sorted by cheapest first

Deals found on 14/5

When is the cheapest time to fly from Koh Samui to London Heathrow Airport?

Use this chart to determine the cheapest time to fly return from Koh Samui to Heathrow. Price data was last updated on 12 May 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Koh Samui to London Heathrow Airport flight should consider departing on Thursday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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 £359 while a return flight costs £1,058. 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 Heathrow Airport (average of £110). Flying from Koh Samui to London Heathrow Airport 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

£104

May

£108

June

£130

July

£131

August

£114

September

£109

October

£125

November

£91

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 15 May 2024.
Get a feel of what it's like to fly with Qatar Airways, EVA Air and Etihad Airways 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
1,515 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Overall

8.4

Comfort

8.2

Crew

8.6

Food

7.9

Reviews

1 / 10

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

EVA Air
8.4
Very Good
1,515 reviews
EVA Air
8.4
Very Good
1,515 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Overall

8.4

Comfort

8.2

Crew

8.6

Food

7.9

Reviews

1 / 10

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

China Airlines
8.3
Very Good
910 reviews
EVA Air
8.4
Very Good
1,515 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Overall

8.4

Comfort

8.2

Crew

8.6

Food

7.9

Reviews

1 / 10

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

Emirates
8.1
Very Good
3,954 reviews
EVA Air
8.4
Very Good
1,515 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Overall

8.4

Comfort

8.2

Crew

8.6

Food

7.9

Reviews

1 / 10

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

Thai Airways
8.1
Very Good
512 reviews
EVA Air
8.4
Very Good
1,515 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Overall

8.4

Comfort

8.2

Crew

8.6

Food

7.9

Reviews

1 / 10

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

KLM
7.9
Good
1,568 reviews
EVA Air
8.4
Very Good
1,515 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Overall

8.4

Comfort

8.2

Crew

8.6

Food

7.9

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 Etihad Airways for just £813, but on average you can expect to pay £875.

  • 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 Etihad Airways. Our recent data shows that you can find tickets from as low as £813 on this airline. Additional options worth looking into are EVA Air and Qantas Airways, starting at £837 and £863 round-trip.

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

    The cheapest airline one-way is Etihad Airways, with whom users have recently found tickets for as low as £379. However, be on the lookout for offers from EVA Air and Qantas Airways, as they are both options that can get you from Koh Samui to London Heathrow Airport for a low price.

  • 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 15/5.

See more FAQs

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Koh Samui to London flights

Search flights from Koh Samui to Heathrow by cabin 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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