Cheap flights from London to Koh Samui from £380
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Koh Samui departing on 23/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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KLM flights from London to Koh Samui
Our best KLM deals on London to Koh Samui flight tickets
Etihad Airways flights from London to Koh Samui
Our best Etihad Airways deals on London to Koh Samui flight tickets
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How to get the cheapest flight ticket from London to Koh Samui
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between London and Koh Samui?
What is the cheapest month to fly to Koh Samui?
The month of September is, on average, the cheapest month to fly to Koh Samui from London, with most prices found around £820. If you aren’t able to travel during the month of September, then book flights to Koh Samui from London during October instead. Flights to Koh Samui in October, while not as cheap as those in September, still average around £841.
What is the cheapest day to depart on your flight to Koh Samui?
Our data shows that Wednesday is the least expensive day to fly to Koh Samui. Tickets to fly out on this day can be as low as £522. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London to Koh Samui for around £922.
What is the cheapest time of day to depart on your flight to Koh Samui?
Our data shows that the cheapest London to Koh Samui flights are usually those with departure times in the afternoon. Our users have found flights to Koh Samui in the afternoon for as low as £523. Try not to purchase tickets in the morning because they tend to be around £862. Of course, these prices can vary depending on the time of year and what airport you fly to.
How far in advance should I book a flight to Koh Samui?
You are more likely to see cheaper flights to Koh Samui from London when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to Koh Samui for around £945 when searching 9 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Koh Samui from London for as low as £826 on momondo.
What is the cheapest airline that flies from London to Ko Samui?
Etihad Airways, Thai Airways, and EVA Air are the most popular carriers operating from London to Ko Samui
Which airlines fly to Koh Samui?
EVA Air, Thai Airways and British Airways are the top three most popular airlines that fly to Koh Samui from London according to our data. EVA Air is the first choice among our users, with 59% of people opting to fly with this airline when travelling to Koh Samui. Keep in mind that there are 11 different airlines that fly to Koh Samui on a routine basis, so you have a few additional options to choose from.
When to book flights from London to Koh Samui
Cheap London to Koh Samui (LON to USM) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to Koh Samui
How far is London to Ko Samui by plane?
London and Ko Samui are 6131.1 mi apart from one another. In terms of flight time, this usually takes a little over 14h 20m.
When did momondo last update prices for flights from London to Ko Samui Airport?
Prices for flights from London to Ko Samui Airport are updated daily.
How many operators does momondo search for flights from London to Ko Samui Airport?
As of February 2025, there are 11 operators available to choose from for flights from London to Ko Samui Airport.
How old do you have to be to fly from London to Ko Samui Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Ko Samui Airport.
What documentation or ID do you need to fly to Ko Samui Airport?
The travel and health documents you'll need for your trip to Ko Samui Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ko Samui Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from London to Koh Samui?
momondo data reveals that the most frequently booked airline on the route from London to Koh Samui is EVA Air, representing 49% of all bookings. The subsequent popular airlines are Thai Airways at 25%, British Airways at 9%, and Singapore Airlines at 7%.
Best airlines flying from London to Koh Samui
Compare and see reviews for airlines that fly from London to Koh Samui with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £106 | Free Cancellation | Rating 8.0 114 reviews | |||
| PriceFrom £633 | Free Cancellation | Rating 7.4 1,449 reviews | |||
| PriceFrom £648 | Free Cancellation | Rating 7.8 1,331 reviews | |||
| PriceFrom £660 | Free Cancellation | Rating 7.3 1,179 reviews | |||
| PriceFrom £697 | Free Cancellation | Rating 8.1 1,297 reviews | |||
| PriceFrom £756 | Free Cancellation | Rating 8.4 1,199 reviews | |||
| PriceFrom £770 | Free Cancellation | Rating 7.5 771 reviews | |||
| PriceFrom £771 | Free Cancellation | Rating 6.6 6,761 reviews | |||
| PriceFrom £810 | Free Cancellation | Rating 8.1 3,276 reviews | |||
| PriceFrom £825 | Free Cancellation | Rating 7.4 3,609 reviews |
Travelling to a place near Koh Samui?
Book flights to Koh Samui if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from London to Koh Samui?
Finding the right flight to Koh Samui from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Koh Samui quick and easy, saving you time and money.
Can I find flights from London to Koh Samui with flexible booking policies on momondo?
Yes. All flights to Koh Samui from London on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from London to Koh Samui?
Once you have performed a search for London to Koh Samui flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from London to Koh Samui right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Koh Samui from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.