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Koh Samui flights insights and trends
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What is the cheapest month to fly to Koh Samui?
In general, August is the cheapest month to fly from Australia to Koh Samui. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $915. If you aren’t able to travel during the month of August, then book flights to Koh Samui from Australia during March instead. Flights to Koh Samui in March, while not as cheap as those in August, still average around $1,089.
What is the cheapest day to depart on your flight to Koh Samui?
The cheapest day to depart from Australia to Koh Samui is on a Tuesday when prices can be found for as low as $1,154. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Koh Samui on Friday is $1,326.
What is the cheapest time of day to depart on your flight to Koh Samui?
The cheapest time of day to fly to Koh Samui is in the evening when flights can be purchased for as low as $972. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,359 on average. Flights to Koh Samui from Australia in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.
How far in advance should I book a flight to Koh Samui?
You are more likely to see cheaper flights to Koh Samui from Australia when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Koh Samui for around $1,256 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Koh Samui from Australia for as low as $1,001 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 SYDNEY | August | 28% cheaper | Flying from Sydney to Koh Samui costs on average just $915 in August |
| MOST EXPENSIVE MONTH TO FLY TO KOH SAMUI FROM SYDNEY | December | 50% more expensive | It costs about $1,885 for flights to Koh Samui from Sydney in December |
| MOST POPULAR MONTH TO FLY TO KOH SAMUI FROM SYDNEY | October | 360% more users visited | More momondo users searched in flights to Koh Samui from Sydney in October 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 | $276 |
|---|---|
Best Round-Trip Price | $558 |
Fastest flight time | 10h 55m |
Popular in | January |
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. 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 Koh Samui?
If your plan is to spend time at Chaweng Beach while visiting Koh Samui, momondo recommends you plan your trip for February, March, or April when the temperatures are typically higher and the chance of rain is low. Another popular beach in the area is Lamai Beach.
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 56 days prior to their departure date, when tickets on average are $1,256. In the past 72 hours, momondo users found flights from Australia to Koh Samui for as low as $736.
Is there an alternative airport near Koh Samui?
Surat Thani Airport can be an alternative airport used for travel to Koh Samui.
Is there a cheaper alternative to flying into Koh Samui?
With an average price of $114 per person, Surat Thani Airport is the cheapest airport to fly into when planning your trip to Koh 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 Koh Samui?
The best price found on momondo to Koh Samui was $76/pp from Bangkok, which is 33% cheaper than the average flight price 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 are updated daily.
How many operators does momondo search for flights to Ko Samui Airport?
As of February 2025, there are 6 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 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?
All flight searches to Koh Samui on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights to Koh Samui?
Once you have performed a search for flights to Koh 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 Koh Samui right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Koh Samui flights. All you need is a valid email address and we will do the rest; it is that quick and easy.