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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
25 May — 1 Jun1
1 adult
Sat 25/5
Sat 1/6

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 20 May 2024.

Round-trip from

£68
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 £995 on average during April, but can be found for as low as £565.

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 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 835,519 searches. Prices were last updated on 20 May 2024.
Sun 26/508:00USM - LHR
1 stop17h 25mEVA Air
Wed 29/521:35LHR - USM
1 stop14h 55mEVA Air
Deal found 19/5£898
Sun 26/517:55USM - LHR
2 stops18h 55mQatar Airways
Wed 29/510:50LHR - USM
2 stops19h 05mQatar Airways
Deal found 19/5£941

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 835,519 searches. Data last updated 20 May 2024.
Sun 26/508:00USM - LHR
1 stop17h 25mEVA Air
Wed 29/521:35LHR - USM
1 stop14h 55mEVA Air
Deal found 19/5£898
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 - 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
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 21/808:45USM - LHR
2 stops28h 10mGulf Air
Wed 2/1010:00LHR - USM
3 stops39h 20mGulf Air
Deal found 19/5£2,219

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 835,519 searches. Data last updated 20 May 2024.
Sun 26/508:00USM - LHR
1 stop17h 25mEVA Air
Wed 29/521:35LHR - USM
1 stop14h 55mEVA Air
Deal found 19/5£898
Sun 26/517:55USM - LHR
2 stops18h 55mQatar Airways
Wed 29/510:50LHR - USM
2 stops19h 05mQatar Airways
Deal found 19/5£941

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 835,519 searches. Data last updated 20 May 2024.
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
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
Tue 2/719:00USM - LHR
3 stops30h 10mMultiple Airlines
Deal found 19/5£457
Fri 14/608:45USM - LHR
1 stop16h 40mEVA Air
Deal found 19/5£461
Sun 18/819:00USM - LHR
2 stops29h 40mMultiple Airlines
Deal found 19/5£489
Sun 18/815:25USM - LHR
3 stops36h 15mMultiple Airlines
Deal found 19/5£523

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 835,519 searches. Data last updated 20 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£1,034 - £2,219

Route

Depart

Return

Price

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 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

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 19 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.
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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 £455 while a return flight costs £1,450. 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

£103

May

£108

June

£129

July

£130

August

£113

September

£109

October

£124

November

£91

December

£95

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 20 May 2024.
EVA Air
8.4
Very Good
1,513 reviews
Check prices

Overall

8.4

Comfort

8.2

Boarding

8.4

Crew

8.6

Food

8.0

Entertainment

8.0

Reviews

1 / 10

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

EVA Air
8.4
Very Good
1,513 reviews
EVA Air
8.4
Very Good
1,513 reviews
Check prices

Overall

8.4

Comfort

8.2

Boarding

8.4

Crew

8.6

Food

8.0

Entertainment

8.0

Reviews

1 / 10

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

Cathay Pacific
7.8
Good
1,072 reviews
EVA Air
8.4
Very Good
1,513 reviews
Check prices

Overall

8.4

Comfort

8.2

Boarding

8.4

Crew

8.6

Food

8.0

Entertainment

8.0

Reviews

1 / 10

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

Qantas Airways
7.6
Good
961 reviews
EVA Air
8.4
Very Good
1,513 reviews
Check prices

Overall

8.4

Comfort

8.2

Boarding

8.4

Crew

8.6

Food

8.0

Entertainment

8.0

Reviews

1 / 10

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

Gulf Air
7.6
Good
273 reviews
EVA Air
8.4
Very Good
1,513 reviews
Check prices

Overall

8.4

Comfort

8.2

Boarding

8.4

Crew

8.6

Food

8.0

Entertainment

8.0

Reviews

1 / 10

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

Etihad Airways
7.3
Good
1,354 reviews
EVA Air
8.4
Very Good
1,513 reviews
Check prices

Overall

8.4

Comfort

8.2

Boarding

8.4

Crew

8.6

Food

8.0

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 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 £1,100 on Cheapflights?

    Yes, there are multiple flights from Koh Samui to London Heathrow Airport for under £1,100. The cheapest flight booked recently is on Qantas Airways for just £1,034, but on average you can expect to pay £1,450.

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

    There are currently 2+ 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 Qantas Airways. Our recent data shows that you can find tickets from as low as £1,034 on this airline. Additional options worth looking into are Cathay Pacific and Gulf Air, starting at £1,504 and £2,219 round-trip.

  • 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 19/5.

See more FAQs

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Koh Samui to London flights

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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