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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 month of August is, on average, the cheapest month to fly to Ko Samui from Australia, with most prices found around $890. If you aren’t able to travel during the month of August, then book flights to Ko Samui from Australia during November instead. Flights to Ko Samui in November, while not as cheap as those in August, still average around $1,017.
What is the cheapest day to depart on your flight to Ko Samui?
According to our data, Tuesday is the cheapest day to fly to Ko Samui from Australia. The lowest ticket price found for a Tuesday departure recently was $1,130. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Australia to Ko Samui for around $1,298.
What is the cheapest time of day to depart on your flight to Ko Samui?
Our data shows that the cheapest Australia to Ko Samui flights are usually those with departure times in the evening. Our users have found flights to Ko Samui in the evening for as low as $951. Flights in the morning are often more expensive, with an average ticket price of $1,331.
How far in advance should I book a flight to Ko Samui?
You are more likely to see cheaper flights to Ko Samui from Australia when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Ko Samui for around $1,172 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ko Samui from Australia for as low as $934 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 SYDNEY | August | 25% cheaper | Flying from Sydney to Ko Samui costs on average just $868 in August |
| MOST EXPENSIVE MONTH TO FLY TO KO SAMUI FROM SYDNEY | December | 40% more expensive | It costs about $1,619 for flights to Ko Samui from Sydney in December |
| MOST POPULAR MONTH TO FLY TO KO SAMUI FROM SYDNEY | October | 334% more users visited | More momondo users searched in flights to Ko Samui from Sydney in October 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 | $264 |
|---|---|
Best Round-Trip Price | $494 |
Fastest flight time | 16h 05m |
Popular in | January |
Frequently asked questions about flying to Ko Samui
What is there to do in Ko Samui when it’s raining?
If you are planning a flight to Ko Samui and are looking to avoid the rain, you should avoid traveling during the months of January, May, and October. These months will typically see 5.1 inches or more of rain, meaning that rain is likely. If you do run into rain while in Ko Samui, there are still things to do and ways to enjoy your trip. Shopping centres like Fishermans Village are very popular destinations for those visiting the Ko Samui area. Fishermans Village is a great place to go if you’re looking to spend some time inside.
When is the best time to plan a beach trip to Ko Samui?
The month of February, March, or April is often the best time to visit Ko Samui to go to the beach due to the weather. Chaweng Beach is the most often visited beach in the area. Another popular beach in the area is Lamai Beach.
How far in advance should I book a flight to Ko Samui?
We recommend purchasing flights from Australia to Ko Samui 25 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Ko Samui for $1,172. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as $743.
Is there an alternative airport near Ko Samui?
Surat Thani Airport, Nakhon Si Thammarat Airport or Chumphon Airport can be an alternative airport used for travel to Ko Samui.
Is there a cheaper alternative to flying into Ko Samui?
With an average price of $88 per person, Surat Thani Airport is the cheapest airport to fly into when planning your trip to Ko Samui. This price can fluctuate based on where you are flying from. momondo’s Airport-to-Airport Pricing Tool can help users find the best prices.
What is the absolute cheapest flight to Ko Samui?
The best price found on momondo to Ko Samui was $39/pp from Bangkok, which is 56% cheaper than the average flight price 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 are updated daily.
How many operators does momondo search for flights to Ko Samui Airport?
As of June 2025, there are 5 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel 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 licence 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.
Travelling to a place near Ko Samui?
Book flights to Ko Samui if you plan to visit one of these locationsWhy use momondo?
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?
All flight searches to Ko Samui on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights to Ko Samui?
Once you have performed a search for flights to Ko Samui, momondo helps you find the right flight 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 to Ko Samui right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Ko Samui flights. All you need is a valid email address and we will do the rest; it is that quick and easy.