USM - LHR

£285 Find Cheap Flights from Ko Samui to London Heathrow Airport – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return fare
£666
Multiple Airlines
Thu 17/12Wed 20/1
USM - LHR • 2 stops
Cheapest one-way flight
£285
Overall average: £947
Multiple Airlines
Tue 24/11
USM - LHR • 2 stops
Direct flights
Not available
There are currently no direct flights between Ko Samui and Heathrow. You’ll need at least 1 connection.
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Flight Deals

Cheap Flights from Ko Samui to Heathrow (USM-LHR)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Ko Samui to Heathrow

Thu, 17 Dec - Wed, 20 Jan
Multiple Airlines Logo
07:55 - 11:05USM  Ko Samui-LHR London Heathrow
34h 10m2 stops Bangkok Suvarnabhumi Mumbai Chhatrapati Shivaji Intl
Multiple Airlines Logo
20:30 - 20:25LHR  London Heathrow-USM Ko Samui
40h 55m2 stops Mumbai Chhatrapati Shivaji Intl Bangkok Suvarnabhumi
£666Multiple Airlines
Tue, 8 Dec - Mon, 4 Jan
Multiple Airlines Logo
21:30 - 19:20USM  Ko Samui-LHR London Heathrow
28h 50m2 stops Bangkok Suvarnabhumi New Delhi Indira Gandhi Intl
Multiple Airlines Logo
22:00 - 06:55LHR  London Heathrow-USM Ko Samui
25h 55m2 stops New Delhi Indira Gandhi Intl Bangkok Suvarnabhumi
£742Multiple Airlines
Thu, 24 Dec - Thu, 31 Dec
Multiple Airlines Logo
07:55 - 11:05USM  Ko Samui-LHR London Heathrow
34h 10m2 stops Bangkok Suvarnabhumi Mumbai Chhatrapati Shivaji Intl
Multiple Airlines Logo
13:30 - 17:40LHR  London Heathrow-USM Ko Samui
21h 10m2 stops Mumbai Chhatrapati Shivaji Intl Bangkok Suvarnabhumi
£753Multiple Airlines
Fri, 25 Dec - Fri, 1 Jan
Multiple Airlines Logo
12:10 - 06:40USM  Ko Samui-LHR London Heathrow
25h 30m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl
Multiple Airlines Logo
16:05 - 20:25LHR  London Heathrow-USM Ko Samui
21h 20m2 stops Xiamen Gaoqi Intl Bangkok Suvarnabhumi
£829Multiple Airlines
Wed, 23 Dec - Wed, 30 Dec
Multiple Airlines Logo
07:00 - 06:35USM  Ko Samui-LHR London Heathrow
30h 35m2 stops Bangkok Suvarnabhumi New Delhi Indira Gandhi Intl
Multiple Airlines Logo
20:30 - 11:55LHR  London Heathrow-USM Ko Samui
32h 25m3 stops Mumbai Chhatrapati Shivaji Intl Bangkok Suvarnabhumi Phuket City
£831Multiple Airlines
Fri, 25 Dec - Fri, 1 Jan
Multiple Airlines Logo
08:40 - 11:05USM  Ko Samui-LHR London Heathrow
33h 25m2 stops Bangkok Suvarnabhumi Mumbai Chhatrapati Shivaji Intl
Multiple Airlines Logo
20:30 - 08:25LHR  London Heathrow-USM Ko Samui
28h 55m3 stops Mumbai Chhatrapati Shivaji Intl Bangkok Suvarnabhumi Phuket City
£832Multiple Airlines
Thu, 17 Dec - Wed, 20 Jan
Multiple Airlines Logo
14:05 - 06:35USM  Ko Samui-LHR London Heathrow
23h 30m2 stops Bangkok Suvarnabhumi Manama Bahrain Intl
Multiple Airlines Logo
14:15 - 08:10LHR  London Heathrow-USM Ko Samui
34h 55m2 stops Doha Hamad Intl Bangkok Suvarnabhumi
£848Multiple Airlines
Wed, 23 Dec - Wed, 30 Dec
Multiple Airlines Logo
19:40 - 14:30USM  Ko Samui-LHR London Heathrow
25h 50m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl
Multiple Airlines Logo
16:05 - 20:25LHR  London Heathrow-USM Ko Samui
21h 20m2 stops Xiamen Gaoqi Intl Bangkok Suvarnabhumi
£876Multiple Airlines
Wed, 25 Nov - Sun, 29 Nov
Etihad Airways Logo
20:20 - 12:05USM  Ko Samui-LHR London Heathrow
22h 45m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl
Etihad Airways Logo
08:40 - 10:35LHR  London Heathrow-USM Ko Samui
18h 55m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi
£905Etihad Airways
Wed, 25 Nov - Sun, 29 Nov
Etihad Airways Logo
20:20 - 12:05USM  Ko Samui-LHR London Heathrow
22h 45m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl
Etihad Airways Logo
13:55 - 15:10LHR  London Heathrow-USM Ko Samui
18h 15m2 stops Abu Dhabi Zayed Intl Phuket City
£905Etihad Airways
Booking Insights

KAYAK’s insights & trends for Ko Samui to Heathrow flights

Get data-powered insights and trends into flights from Ko Samui to Heathrow to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Ko Samui to London Heathrow Airport?

In the past 5 days, the cheapest return tickets from Ko Samui to London Heathrow Airport were found on Etihad Airways (£905) and Qatar Airways (£936).

Expert advice

Expert advice for your flight from Ko Samui to Heathrow

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on KLM and Air France

Blane Bachelor is a journalist and editor specialising in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favourite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history.

Laura Ratliff

Laura Ratliff

Expert on Virgin Atlantic

Laura Ratliff is a New York-based writer and editor. She lives in downtown Brooklyn with her husband and their beloved dogs. Originally from Texas, she now considers New York City her home. She typically spends more than 200,000 miles on a plane each year and stays in plenty of hotels.

Good to know - Cheap tickets from Ko Samui to London Heathrow Airport

Cheapest flight

£285
Flight from Ko Samui to London Heathrow Airport

When to book flights from Ko Samui to Heathrow

Are your dates flexible? Find out the best times to travel from Ko Samui to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

FAQs for booking Ko Samui to London Heathrow Airport flights

  • What is the cheapest flight from Ko Samui to London Heathrow Airport?

    In the last 5 days, the lowest price for a flight from Ko Samui to London Heathrow Airport was £285 for a one-way ticket and £666 for a return.

  • Which aircraft models fly most regularly from Ko Samui to London Heathrow Airport?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Ko Samui to London Heathrow Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ko Samui to London Heathrow Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ko Samui to London Heathrow Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Ko Samui is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ko Samui to London Heathrow Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London Heathrow Airport with an airline and back to Ko Samui with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ko Samui to London Heathrow Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London Heathrow Airport from Ko Samui up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

More options for your flight from Ko Samui to Heathrow

Complete your trip to London with a hotel stay or car hire