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Cheap Flights from London to Ko Samui

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

London to Ko Samui route information

Origin Airport Heathrow
Destination Airport Ko Samui
Airlines Serving Air France, Austrian Airlines, British Airways, Cathay Pacific, EVA Airways, Emirates, Etihad Airways, Finnair, KLM, Malaysia Airlines, Qantas Airways, Qatar Airways, Singapore Airlines, Thai Airways International
Flight Price £592
Distance 9,836 km





Cheap LHR to USM Flights

  • Question : What is the cheapest day to fly?
    Answer : The cheapest day to fly from London to Koh Samui is on Sunday. If you would like to save some money on your next getaway look for flights on Sunday.
  • Question : How much is a plane ticket to Koh Samui (USM) from London (LHR)?
    Answer : They vary anywhere from £596 to £2,807. The further out you book your ticket, the more likely you are to save.
  • Question : Can I change the date of my flight?
    Answer : Yes, you can switch your departure or arrival date. If you wish to save some funds in doing so, the cheapest day to fly in August is Sunday. You may be thinking you're missing out taking off a day earlier, but we think of it as you just adding saving towards your next getaway. A pound saved is a holiday earned.
  • Question : What is the cheapest airline flying from London to Koh Samui?
    Answer : KLM strives to keep prices down for travellers over the next three months. Bookings are being made at just £596 and, when compared to the pricier bookings of £2,807, it's a great bargain.
  • Question : What is the cheapest date to fly to Koh Samui?
    Answer : As of Aug 12th, the cheapest day to fly from London to Koh Samui is Sep 9th. Tickets are currently being sold for £596, 23% below the average price.
  • Question : How long do most people stay in Koh Samui on average?
    Answer : Of course, you're not most people, but if you were, you'd stay about 14 days.

Koh Samui Flights

When looking for plane tickets to Koh Samui, the ease and convenience of using Expedia simply can’t be beat. With tons of departure points and flights options from the top airline carriers, London gives you the widest array of cheap flights to Koh Samui. Look for Koh Samui airfare with the assurance that you have one of the world's leading full-service online travel brands working for you.

Expedia lets you search across the largest number of airlines and Koh Samui flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Koh Samui flight!

Browse through dozens of options at great prices! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Koh Samui trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Koh Samui flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights to Koh Samui from London. Use us as your stop travel destination and have the confidence that you’re getting a bargain!