USM - LHR

Find cheap flights from Ko Samui to London

1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to London Heathrow Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ko Samui to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ko Samui to London, as well as popular online travel agencies
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Flights Deals
Expert advice
Useful Info
Flights Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ko Samui to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ko Samui to London

Multiple Airlines Logo
USM-LHR
6144 mimulti-stop
Multiple Airlines Logo
LHR-USM
6144 mimulti-stop
Multiple Airlines
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Expert advice

Expert advice for your flight from Ko Samui to London

 
Snippets provided in this section are AI-generated based on a summarization of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
American Airlines

AA's Flagship Business offers premium services and suite-like seats on international flights.


Access high-speed Wi-Fi for purchase on most flights, with free options for T-Mobile customers.

Read more about American Airlinesby Harriet Baskas
Iberia

Iberia's business class offers all-aisle access and Wi-Fi for staying connected.


Enjoy Spanish cuisine with two meals and preview dishes online before flying.

Read more about Iberiaby Marisa Garcia
British Airways

Upgrade to premium economy for 7 inches extra legroom, wider seats, and priority boarding.


BA's premium economy offers leg and footrests, enhancing comfort on long flights.

Read more about British Airwaysby Duncan Madden
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Marisa Garcia

Marisa Garcia

Expert on Iberia

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Duncan Madden

Duncan Madden

Expert on British Airways

Duncan Madden

Duncan Madden

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Read more
Useful Info

KAYAK's insights & trends for Ko Samui to London flights

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

What’s the cheapest day of the week to fly from Ko Samui to London?

The average price of all round-trip flights from Ko Samui to London Heathrow Airport clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Ko Samui to London, look for departures on Wednesdays and avoid leaving on a Thursday, as it's usually the priciest day. When flying back from London, Friday is the cheapest day to fly and Tuesday is the most expensive.

Find deals

Good to know

Low seasonOctober
High seasonJuly
Best time to beat the crowds with an average 32% drop in price.
Most popular time to fly and prices are also 7% lower on average.

When to book flights from Ko Samui to London

Are your dates flexible? Find out the best times to travel from Ko Samui to London based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Ko Samui to London flights

  • Do I need a passport to fly between Ko Samui and London?

    A passport is required to fly from Ko Samui to London.

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

    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?

    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.

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

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

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

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to Ko Samui with another airline. Booking your flights between Ko Samui and LHR can sometimes prove cheaper using this method.

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

    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 from Ko Samui up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Ko Samui to London

Information on your arrival and departure airports

Ko Samui (USM)
Heathrow (LHR)

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