How long does it take to fly to Ko Samui?

If you’re flying from a popular airport in Australia, such as Perth or Melbourne, and flying into Ko Samui, then you can expect flight times to average 11h 50m and 12h 20m, respectively.

What is the cheapest airline that flies from Australia to Ko Samui?

Scoot and Singapore Airlines are the most popular carriers operating from Australia to Ko Samui

Which airlines fly to Ko Samui?

Scoot, Singapore Airlines and Qantas Airways are the top three most popular airlines that fly to Ko Samui from Australia according to our data. Scoot is the first choice among our users, with 56% of people opting to fly with this airline when travelling to Ko Samui. Keep in mind that there are 5 different airlines that fly to Ko Samui on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Australia to Ko Samui Airport are refreshed on a daily basis.

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

There are 5 operators available for flights from Australia to Ko Samui Airport as of August 2026.

How old do you have to be to fly from Australia 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 from Australia 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 licence 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.

$348 Cheap Flights from Australia to Ko Samui in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Australia to Ko Samui

Return

One-way

Last minute

Direct

Recent return flight deals from Australia to Ko Samui

Enter your travel dates to find the best prices.

05:35 - 10:10

PER

USM

29h 35m

1 stop

08:40 - 04:20

USM

PER

18h 40m

1 stop

$618Scoot

Sun, 6 Sep - Sat, 19 Sep

05:35 - 17:20

PER

USM

12h 45m

1 stop

18:15 - 04:20

USM

PER

9h 05m

1 stop

$619Scoot

Sun, 6 Sep - Sat, 19 Sep

18:25 - 18:50

PER

USM

25h 25m

1 stop

19:00 - 05:50

USM

PER

33h 50m

2 stops

$686Multiple Airlines

Mon, 12 Oct - Mon, 19 Oct

20:50 - 20:25

PER

USM

24h 35m

2 stops

18:15 - 04:20

USM

PER

9h 05m

1 stop

$686Multiple Airlines

Sun, 13 Sep - Sat, 19 Sep

16:55 - 07:45

PER

USM

15h 50m

1 stop

08:40 - 23:55

USM

PER

14h 15m

1 stop

$1,251Singapore Airlines

Mon, 24 Aug - Sun, 13 Sep

10:25 - 20:25

SYD

USM

14h 00m

1 stop

14:05 - 07:35

USM

SYD

13h 30m

1 stop

$1,277Qantas Airways

Mon, 2 Nov - Tue, 3 Nov

10:35 - 21:05

BNE

USM

13h 30m

1 stop

13:25 - 05:55

USM

BNE

13h 30m

1 stop

$1,278Qantas Airways

Tue, 17 Nov - Wed, 9 Dec

18:15 - 18:50

CNS

USM

27h 35m

1 stop

18:05 - 17:20

USM

CNS

20h 15m

1 stop

$1,341Singapore Airlines

Wed, 21 Oct - Sat, 21 Nov

10:00 - 15:35

SYD

USM

33h 35m

1 stop

14:05 - 11:55

USM

SYD

17h 50m

1 stop

$2,134Thai Airways

Mon, 21 Dec - Sat, 2 Jan

10:00 - 20:25

SYD

USM

14h 25m

1 stop

14:05 - 11:55

USM

SYD

17h 50m

1 stop

$2,216Thai Airways

Mon, 21 Dec - Sat, 2 Jan

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Qantas Airways flights from Australia to Ko Samui

Our best Qantas Airways deals on Australia to Ko Samui flight tickets

Qantas Airways

17 Nov

BNE05:00Brisbane

17h 50m

2 stops

USM19:50Ko Samui

9 Dec

USM13:25Ko Samui

13h 30m

1 stop

BNE05:55Brisbane

$1,305

Qantas Airways

2 Nov

ADL06:05Adelaide

39h 40m

2 stops

USM18:15Ko Samui

4 Nov

USM13:25Ko Samui

27h 15m

2 stops

ADL20:10Adelaide

$1,336

Qantas Airways

2 Nov

ADL06:05Adelaide

39h 40m

2 stops

USM18:15Ko Samui

4 Nov

USM13:25Ko Samui

27h 15m

2 stops

ADL20:10Adelaide

$1,345

Singapore Airlines flights from Australia to Ko Samui

Our best Singapore Airlines deals on Australia to Ko Samui flight tickets

Singapore Airlines

21 Oct

CNS18:15Cairns

27h 35m

1 stop

USM18:50Ko Samui

21 Nov

USM18:05Ko Samui

20h 15m

1 stop

CNS17:20Cairns

$1,341

Singapore Airlines

12 Oct

ADL18:35Adelaide

27h 45m

1 stop

USM18:50Ko Samui

2 Dec

USM12:00Ko Samui

17h 20m

1 stop

ADL08:50Adelaide

$1,355

Singapore Airlines

18 Oct

CNS18:15Cairns

16h 30m

1 stop

USM07:45Ko Samui

27 Oct

USM18:05Ko Samui

20h 15m

1 stop

CNS17:20Cairns

$1,563

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PerthKo Samui

PER - USM

PERUSM

Perth

Sun 6/9

05:35-10:10

1 stop29h 35m

Ko Samui

Sat 19/9

08:40-04:20

1 stop18h 40m

$618

Fastest return journey

PerthKo Samui

PER - USM

PERUSM

Perth

Sun 6/9

05:35-17:20

1 stop12h 45m

Ko Samui

Sat 19/9

18:15-04:20

1 stop9h 05m

$619

PerthKo Samui

PER - USM

PERUSM

Perth

Mon 12/10

18:25-18:50

1 stop25h 25m

Ko Samui

Mon 19/10

19:00-05:50

2 stops33h 50m

$686

PerthKo Samui

PER - USM

PERUSM

Perth

Sun 13/9

20:50-20:25

2 stops24h 35m

Ko Samui

Sat 19/9

18:15-04:20

1 stop9h 05m

$686

PerthKo Samui

PER - USM

PERUSM

Perth

Mon 24/8

16:55-07:45

1 stop15h 50m

Ko Samui

Sun 13/9

08:40-23:55

1 stop14h 15m

$1,251

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Mon 2/11

10:25-20:25

1 stop14h 00m

Ko Samui

Tue 3/11

14:05-07:35

1 stop13h 30m

$1,277

BrisbaneKo Samui

BNE - USM

BNEUSM

Brisbane

Tue 17/11

10:35-21:05

1 stop13h 30m

Ko Samui

Wed 9/12

13:25-05:55

1 stop13h 30m

$1,278

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Wed 21/10

18:15-18:50

1 stop27h 35m

Ko Samui

Sat 21/11

18:05-17:20

1 stop20h 15m

$1,341

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Mon 21/12

10:00-15:35

1 stop33h 35m

Ko Samui

Sat 2/1

14:05-11:55

1 stop17h 50m

$2,134

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Mon 21/12

10:00-20:25

1 stop14h 25m

Ko Samui

Sat 2/1

14:05-11:55

1 stop17h 50m

$2,216

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Australia to Ko Samui

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

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Other information

What is the cheapest month to fly to Ko Samui?

The month of November is, on average, the cheapest month to fly to Ko Samui from Australia, with most prices found around $930. If you aren’t able to travel during the month of November, then book flights to Ko Samui from Australia during March instead. Flights to Ko Samui in March, while not as cheap as those in November, still average around $954.

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 weeks ahead of your departure date. In general, you can expect to find flights to Ko Samui for around $1,148 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 $981 on momondo.

Can stopping save me money on Australia to Ko Samui flights?

You could potentially save up to 74% on your flight if you consider stops on a Australia to Ko Samui flight.

Cheap Australia to Ko Samui flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Australia to Ko Samui

Fastest flight time	11h 50m
Direct flights	Mon, Thu and Sun
Airports in Ko Samui	1 airport

The fastest flight from Australia to Ko Samui takes 11h 50m

Direct flights go from Australia to Ko Samui on Monday, Thursday and Sunday. There are no airlines offering direct flights..

There is 1 airport in Ko Samui. From Australia there are direct flights to Ko Samui (USM).

Search flight deals

Frequently asked questions about flying from Australia to Ko Samui

When did momondo last update prices for flights from Australia to Ko Samui Airport?
Prices for flights from Australia to Ko Samui Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Australia to Ko Samui Airport?
There are 5 operators available for flights from Australia to Ko Samui Airport as of August 2026.
How old do you have to be to fly from Australia 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 from Australia 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 licence 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.

Best airlines flying from Australia to Ko Samui

Compare and see reviews for airlines that fly from Australia to Ko Samui with momondo

Airline	Rating	Free cancellation	Price
Scoot	PriceFrom $514	Free cancellation	Rating 6.7 327 reviews	Search Scoot flights
Qantas Airways	PriceFrom $904	Free cancellation	Rating 7.5 1,076 reviews	Search Qantas Airways flights
Singapore Airlines	PriceFrom $961	Free cancellation	Rating 8.2 1,584 reviews	Search Singapore Airlines flights
Bangkok Airways	PriceFrom $1,216	Free cancellation	Rating 8.1 133 reviews	Search Bangkok Airways flights
Thai Airways	PriceFrom $1,253	Free cancellation	Rating 7.9 413 reviews	Search Thai Airways flights

Ko Pha Ngan

Ko Tao

Khanom

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Australia to Ko Samui . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Australia to Ko Samui flights to just show those with flexible booking policies.

How can momondo help me find flights from Australia to Ko Samui?

momondo provides multiple filters to help you find the best flight to Ko Samui from Australia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Ko Samui from Australia 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.

An easier way to manage your Ko Samui trip

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Cheap flights from Australia to Ko Samui from $348

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Australia to Ko Samui departing on 14/9. 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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Qantas Airways flights from Australia to Ko Samui

Our best Qantas Airways deals on Australia to Ko Samui flight tickets

Singapore Airlines flights from Australia to Ko Samui

Our best Singapore Airlines deals on Australia to Ko Samui flight tickets

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How to get the cheapest flight ticket from Australia to Ko Samui

What is the cheapest month to fly to Ko Samui?

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

Can stopping save me money on Australia to Ko Samui flights?

What is the cheapest airline that flies from Australia to Ko Samui?

Which airlines fly to Ko Samui?

How long does it take to fly to Ko Samui?

Cheap Australia to Ko Samui flight deals and tips

Fastest flight time

Direct flights

Airports in Ko Samui

Frequently asked questions about flying from Australia to Ko Samui

Best airlines flying from Australia to Ko Samui

Compare and see reviews for airlines that fly from Australia to Ko Samui with momondo

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.

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