Question 1

Why should I use momondo to find a flight deal to Ko Samui?

Accepted Answer

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.

Question 2

Can I find flights to Ko Samui with flexible booking policies on momondo?

Accepted Answer

All flight searches to Ko Samui on momondo can be filtered to show those which offer flexible booking policies.

Question 3

How can momondo help me find flights to Ko Samui?

Accepted Answer

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.

Question 4

I’m not ready to book a flight to Ko Samui right now. Can momondo alert me if prices change?

Accepted Answer

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.

Question 5

What is there to do in Ko Samui when it’s raining?

Accepted Answer

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.

Question 6

When is the best time to plan a beach trip to Ko Samui?

Accepted Answer

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.

Question 7

How far in advance should I book a flight to Ko Samui?

Accepted Answer

We recommend purchasing flights from Australia to Ko Samui 37 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 $1,230. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as $711.

Question 8

Is there an alternative airport near Ko Samui?

Accepted Answer

Surat Thani Airport, Nakhon Si Thammarat Airport or Chumphon Airport can be an alternative airport used for travel to Ko Samui.

Question 9

Is there a cheaper alternative to flying into Ko Samui?

Accepted Answer

With an average price of $90 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.

Question 10

Which airlines fly to Ko Samui?

Accepted Answer

For flights from Australia to Ko Samui, most momondo users will book with popular airlines such as Scoot, Singapore Airlines, Qantas Airways and Thai Airways. Depending on what airport you fly from, you may have other airlines to choose from.

Question 11

Singapore Airlines Flights to Ko Samui

Accepted Answer

The most popular airline for flights to Ko Samui on momondo is Singapore Airlines, which operates 92 flights in this direction every week. Most depart out of Bangkok Suvarnabhumi, with the best deal for Singapore Airlines flights to Ko Samui being $981 (return, Adelaide to Ko Samui, momondo searches within the last 72 hours). In 1,618 Singapore Airlines reviews, it is rated 8.2 by momondo users.

Question 12

Thai Airways Flights to Ko Samui

Accepted Answer

$1,216 is the best return Thai Airways deal to Ko Samui found on momondo in the last few days. The deal departed from Melbourne. Thai Airways has 133 flights to Ko Samui most weeks, with prices varying by availability. 425 momondo users have reviewed Thai Airways, scoring the airline a 7.9/10 on average.

Question 13

When did momondo last update prices for flights to Ko Samui Airport?

Accepted Answer

Prices for flights to Ko Samui Airport are updated daily.

Question 14

How many operators does momondo search for flights to Ko Samui Airport?

Accepted Answer

As of September 2026, there are 5 operators available to choose from for flights to Ko Samui Airport.

Question 15

How old do you have to be to fly to Ko Samui Airport?

Accepted Answer

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.

Question 16

What documentation or ID do you need to fly to Ko Samui Airport?

Accepted Answer

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.

Question 17

What is the cheapest month to fly to Ko Samui?

Accepted Answer

The month of March is, on average, the cheapest month to fly to Ko Samui from Australia, with most prices found around $949. If you aren’t able to travel during the month of March, then book flights to Ko Samui from Australia during November instead. Flights to Ko Samui in November, while not as cheap as those in March, still average around $965.

Question 18

How long does it take to fly to Ko Samui?

Accepted Answer

If you’re flying from a popular airport in Australia, such as Sydney Kingsford Smith or Melbourne, and flying into Ko Samui, then you can expect flight times to average 12h 50m and 12h 15m, respectively.

Question 19

How far in advance should I book a flight to Ko Samui?

Accepted Answer

You are more likely to see cheaper flights to Ko Samui from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Ko Samui for around $1,230 when searching weeks before you fly. 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 $805 on momondo.

CHEAPEST MONTH TO FLY TO KO SAMUI FROM SYDNEY	March	23% cheaper	Flying from Sydney to Ko Samui costs on average just $949 in March
MOST EXPENSIVE MONTH TO FLY TO KO SAMUI FROM SYDNEY	December	33% more expensive	It costs about $1,640 for flights to Ko Samui from Sydney in December
MOST POPULAR MONTH TO FLY TO KO SAMUI FROM SYDNEY	December	405% more users visited	More momondo users searched in flights to Ko Samui from Sydney in December than any other month

Best One-Way Price	$389
Best Round-Trip Price	$696
Fastest flight time	20h 15m
Popular in	December

$359 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 10/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Australia to Ko Samui

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Recent direct flight deals from Australia to Ko Samui

momondo Fare Finder

Use the filters below to find and compare flights to Ko Samui that are best for you.

See travel insights to Ko Samui from

Ko Samui flights insights and trends

What is the cheapest month to fly to Ko Samui?

How far in advance should I book a flight to Ko Samui?

How long does it take to fly to Ko Samui?

Cheapest flights to Ko Samui

Find the cheapest flights to Ko Samui from your nearest city or airport

Cheap Ko Samui flight deals and tips

Best One-Way Price

Best Round-Trip Price

Fastest flight time

Popular in

Frequently asked questions about flying to Ko Samui

Travelling to a place near Ko Samui?

Why use momondo?

An easier way to manage your Ko Samui trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ko Samui

Popular Flights to Ko Samui

Popular routes according to searches in the past day on momondo

Popular Cities in Thailand

Popular flights according to clicks in the last 7 days on momondo

Airports servicing Australia

Fly your favourite airline to Ko Samui

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to Ko Samui

Explore popular destinations other users love

According to popular flight searches on momondo this year