£340 Cheap flights to Koh Samui
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Koh Samui departing on 12/5. 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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Koh Samui flights insights and trends
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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 United Kingdom, with most prices found around £822. If you aren’t able to travel during the month of September, then book flights to Koh Samui from United Kingdom during October instead. Flights to Koh Samui in October, while not as cheap as those in September, still average around £843.
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 £523. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from United Kingdom to Koh Samui for around £924.
What is the cheapest time of day to depart on your flight to Koh Samui?
Our data shows that the cheapest United Kingdom 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 £524. Try not to purchase tickets in the morning because they tend to be around £864. 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 United Kingdom when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to Koh Samui for around £948 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 United Kingdom for as low as £828 on momondo.
Cheapest flights to Ko Samui
Find the cheapest flights to Ko Samui from your nearest city or airport
| CHEAPEST MONTH TO FLY TO KOH SAMUI FROM LONDON HEATHROW AIRPORT | September | 15% cheaper | Flying from London Heathrow Airport to Koh Samui costs on average just £811 in September |
| MOST EXPENSIVE MONTH TO FLY TO KOH SAMUI FROM LONDON HEATHROW AIRPORT | December | 29% more expensive | It costs about £1,231 for flights to Koh Samui from London Heathrow Airport in December |
| MOST POPULAR MONTH TO FLY TO KOH SAMUI FROM LONDON HEATHROW AIRPORT | April | 360% more users visited | More momondo users searched in flights to Koh Samui from London Heathrow Airport in April than any other month |
Cheap Koh Samui flight deals and tips
Summary info about Koh Samui flight prices, duration and airlines
Best One-Way Price | £340 |
|---|---|
Best Round-Trip Price | £627 |
Fastest flight time | 23h 10m |
Popular in | December |
Frequently asked questions about flying to Koh Samui
What is there to do in Koh Samui when it’s raining?
Users planning a flight to Koh Samui during the months of January, May, or October should anticipate rain. There are still things to do in Koh Samui even when it's raining, though. For those looking to get out of the rain and do a little shopping, check out Fishermans Village.
When is the best time to plan a beach trip to Koh Samui?
The month of February, March, or April is often the best time to visit Koh Samui to go to the beach due to the weather. Chaweng Beach is the most often visited beach in the area. Consider visiting Lamai Beach during your Koh Samui visit as well.
How far in advance should I book a flight to Koh Samui?
In general, most travellers find the cheapest time to book a flight to Koh Samui is about 11 days prior to their departure date, when tickets on average are £964. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as £713.
Is there an alternative airport near Koh Samui?
Finding an alternative and possibly cheaper destination airport near Koh Samui is possible. If you are planning a flight to Koh Samui, consider booking flights to Surat Thani Airport (67 mi from Koh Samui city centre).
Is there a cheaper alternative to flying into Koh Samui?
Prices vary based on where travellers are departing from, but on average, the cheapest airport to fly to in Koh Samui is Surat Thani Airport where the average price is £52. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.
What is the absolute cheapest flight to Koh Samui?
Users booking trips to Koh Samui from Bangkok found flights 56% cheaper than the average price of flights to Koh Samui. To find the cheapest price to Koh Samui from your area, use momondo’s Airport-to-Airport Pricing Tool.
When did momondo last update prices for flights to Ko Samui Airport?
Prices for flights to Ko Samui Airport refresh daily.
How many operators does momondo search for flights to Ko Samui Airport?
As of February 2025, there are 16 operators available to choose from for flights to Ko Samui Airport.
How old do you have to be to fly to Ko Samui Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Ko Samui Airport.
What documentation or ID do you need to fly to Ko Samui Airport?
The required travel and health documents for your Ko Samui Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ko Samui Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
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 to Koh Samui?
Finding the right flight to Koh Samui is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options 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 to Koh Samui with flexible booking policies on momondo?
momondo does allow users to show only those flights to Koh Samui which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights to Koh Samui?
momondo provides multiple filters to help you find the best flight to Koh Samui. Filter by price, airline, airport, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight to Koh Samui right now. Can momondo alert me if prices change?
Price alerts on flights to Koh Samui are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.
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Popular Flights to Koh Samui
Popular routes according to searches in the past day on momondo
Cheapest flight routes to Ko Samui
These routes have the cheapest flights to Ko Samui found by momondo users in United Kingdom
| Departing | Destination | Best Time | Best Price |
|---|---|---|---|
| London | Koh Samui | 18h 20m | £538 |
| Manchester | Koh Samui | 20h 30m | £714 |
| Birmingham | Koh Samui | 17h 15m | £783 |
| Newcastle upon Tyne | Koh Samui | 21h 30m | £816 |
| Leeds | Koh Samui | 25h 30m | £837 |
| Edinburgh | Koh Samui | 17h 40m | £954 |
| Glasgow | Koh Samui | 23h 50m | £1,012 |
| Southampton | Koh Samui | 23h 25m | £1,136 |
| Grimsby | Koh Samui | 23h 50m | £1,206 |
| Cardiff | Koh Samui | 32h 15m | £1,404 |