£297 Cheap flights to Ko 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 Ko Samui departing on 4/6. 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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Ko Samui flights insights and trends
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What is the cheapest month to fly to Ko Samui?
The cheapest month to fly to Ko Samui from United Kingdom is in September. Flight prices, which tend to average around £782, are often lower during this time because this is during the off-season. If you don’t want to visit Ko Samui in September, then you should wait until June to fly from United Kingdom, when ticket prices are also cheap, with an average price of £802.
What is the cheapest day to depart on your flight to Ko Samui?
According to our data, Wednesday is the cheapest day to fly to Ko Samui from United Kingdom. The lowest ticket price found for a Wednesday departure recently was £495. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Ko Samui on Sunday is £843.
What is the cheapest time of day to depart on your flight to Ko Samui?
Our most recent data shows that the best time of day to fly to Ko Samui is in the afternoon. Flights from United Kingdom to Ko Samui during this time can be as low as £501. Flights at midday are often more expensive, with an average ticket price of £814.
How far in advance should I book a flight to Ko Samui?
You are more likely to see cheaper flights to Ko Samui from United Kingdom when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to Ko Samui for around £902 when searching 9 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ko Samui from United Kingdom for as low as £781 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 KO SAMUI FROM LONDON HEATHROW AIRPORT | September | 16% cheaper | Flying from London Heathrow Airport to Ko Samui costs on average just £766 in September |
| MOST EXPENSIVE MONTH TO FLY TO KO SAMUI FROM LONDON HEATHROW AIRPORT | December | 32% more expensive | It costs about £1,195 for flights to Ko Samui from London Heathrow Airport in December |
| MOST POPULAR MONTH TO FLY TO KO SAMUI FROM LONDON HEATHROW AIRPORT | April | 341% more users visited | More momondo users searched in flights to Ko Samui from London Heathrow Airport in April than any other month |
Cheap Ko Samui flight deals and tips
Summary info about Ko Samui flight prices, duration and airlines
Best One-Way Price | £297 |
|---|---|
Best Round-Trip Price | £563 |
Fastest flight time | 16h 55m |
Popular in | December |
Frequently asked questions about flying to Ko Samui
What is there to do in Ko Samui when it’s raining?
When planning your flight to Ko Samui, it is important to be aware that some months are not as ideal as others. Specifically, the months of January, May, or October could carry a higher chance of rain, as Ko Samui sees up to 5.1 inches (130 mm) or more. There are still things to do in Ko Samui even when it's raining, but be aware that rain is highly probable in the area. Many tourists kill time during rain and storms by going to shopping centres in the area, like Fishermans Village.
When is the best time to plan a beach trip to Ko Samui?
Visitors planning their holidays in Ko Samui should book their flights for February, March, or April if they are planning on visiting Lamai Beach. Another popular beach in the area is Chaweng Beach.
How far in advance should I book a flight to Ko Samui?
Most flyers found that booking tickets 13 days in advance of their planned departure date is the best time to get cheap flights to Ko Samui. During this timeframe, flight prices are around £916. Keep in mind that you might also find cheap flights to Ko Samui outside of this time window. In fact, momondo users recently found flights from United Kingdom to Ko Samui for £730.
Is there an alternative airport near Ko Samui?
Finding an alternative and possibly cheaper destination airport near Ko Samui is possible. If you are planning a flight to Ko Samui, consider booking flights to Surat Thani Airport (67 mi from Ko Samui city centre).
Is there a cheaper alternative to flying into Ko Samui?
Prices vary based on where travellers are departing from, but on average, the cheapest airport to fly to in Ko Samui is Surat Thani Airport where the average price is £41. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.
What is the absolute cheapest flight to Ko Samui?
Users booking trips to Ko Samui from Bangkok found flights 40% cheaper than the average price of flights to Ko Samui. To find the cheapest price to Ko 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 May 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 Ko Samui?
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Why should I use momondo to find a flight deal to Ko Samui?
Finding the right flight to Ko 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 Ko Samui quick and easy, saving you time and money.
Can I find flights to Ko Samui with flexible booking policies on momondo?
momondo does allow users to show only those flights to Ko Samui which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights to Ko Samui?
momondo provides multiple filters to help you find the best flight to Ko Samui. Filter by price, airline, airport, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight to Ko Samui right now. Can momondo alert me if prices change?
Price alerts on flights to Ko 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 Ko 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 | Ko Samui | 17h 15m | £548 |
| Manchester | Ko Samui | 19h 00m | £620 |
| Birmingham | Ko Samui | 18h 40m | £655 |
| Glasgow | Ko Samui | 19h 15m | £680 |
| Edinburgh | Ko Samui | 19h 25m | £720 |
| Newcastle upon Tyne | Ko Samui | 18h 45m | £733 |
| Cardiff | Ko Samui | 39h 30m | £872 |
| Grimsby | Ko Samui | 26h 25m | £877 |
| Leeds | Ko Samui | 28h 05m | £914 |
| Southampton | Ko Samui | 29h 50m | £915 |