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

Scoot, Malaysia Airlines, and British Airways are the most popular carriers operating from Australia to Ko Samui

Which airlines fly to Ko Samui?

Scoot, Singapore Airlines and Thai 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 52% 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.

How long does it take to fly to Ko Samui?

If you’re flying from a popular airport in Australia, such as Perth or Brisbane, and flying into Ko Samui, then you can expect flight times to average 10h 55m and 13h 05m, respectively.

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 December 2025.

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.

$266 Cheap Flights from Australia to Ko Samui in 2025/26

1 adult

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Find the cheapest flights from Australia to Ko Samui

Round-trip

One-way

Last minute

Recent return flight deals from Australia to Ko Samui

Enter your travel dates to find the best prices.

17:45 - 17:10

PER

USM

24h 25m1 stop

08:55 - 04:15

USM

PER

18h 20m1 stop

$617Scoot

Sat, 7 Mar - Sat, 21 Mar

05:35 - 17:10

PER

USM

12h 35m1 stop

08:55 - 04:15

USM

PER

18h 20m1 stop

$663Scoot

Sat, 7 Mar - Sat, 21 Mar

20:50 - 17:20

SYD

USM

23h 30m1 stop

08:40 - 19:35

USM

SYD

31h 55m1 stop

$687Scoot

Mon, 4 May - Sun, 17 May

05:35 - 17:10

PER

USM

12h 35m1 stop

15:50 - 19:55

USM

PER

27h 05m2 stops

$697Multiple Airlines

Sat, 7 Mar - Sat, 21 Mar

05:35 - 18:50

PER

USM

14h 15m1 stop

09:20 - 04:30

USM

PER

18h 10m2 stops

$700Multiple Airlines

Thu, 5 Feb - Thu, 12 Feb

19:10 - 20:30

ADL

USM

27h 50m2 stops

08:20 - 09:25

USM

ADL

22h 35m2 stops

$1,197Qantas Airways

Wed, 3 Jun - Sat, 13 Jun

17:35 - 07:50

ADL

USM

16h 45m1 stop

08:45 - 16:20

USM

ADL

29h 05m1 stop

$1,287Singapore Airlines

Sun, 10 May - Wed, 8 Jul

10:50 - 21:10

NTL

USM

37h 20m2 stops

16:25 - 20:45

USM

NTL

25h 20m2 stops

$1,469Qantas Airways

Sun, 17 May - Thu, 21 May

18:35 - 08:00

CNS

USM

16h 25m1 stop

18:05 - 17:20

USM

CNS

20h 15m1 stop

$1,561Singapore Airlines

Sun, 1 Feb - Sun, 8 Feb

11:35 - 19:35

CNS

USM

35h 00m2 stops

11:40 - 10:45

USM

CNS

44h 05m2 stops

$2,142Cathay Pacific

Wed, 4 Mar - Fri, 6 Mar

Qantas Airways flights from Australia to Ko Samui

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

Qantas Airways

23 Apr

BNE11:05Brisbane

34h 10m

1 stop

USM18:15Ko Samui

5 May

USM08:20Ko Samui

18h 40m

1 stop

BNE06:00Brisbane

$1,118

Find similar

Qantas Airways

23 Apr

BNE11:05Brisbane

13h 05m

1 stop

USM21:10Ko Samui

5 May

USM08:20Ko Samui

18h 40m

1 stop

BNE06:00Brisbane

$1,121

Find similar

Qantas Airways

5 May

BNE11:05Brisbane

13h 05m

1 stop

USM21:10Ko Samui

19 May

USM14:35Ko Samui

16h 30m

2 stops

BNE10:05Brisbane

$1,133

Find similar

Scoot flights from Australia to Ko Samui

Our best Scoot deals on Australia to Ko Samui flight tickets

Scoot

7 Mar

PER17:45Perth

24h 25m

1 stop

USM17:10Ko Samui

21 Mar

USM08:55Ko Samui

18h 20m

1 stop

PER04:15Perth

$617

Find similar

Scoot

7 Mar

PER05:35Perth

12h 35m

1 stop

USM17:10Ko Samui

21 Mar

USM08:55Ko Samui

18h 20m

1 stop

PER04:15Perth

$663

Find similar

Scoot

4 May

SYD20:50Sydney Kingsford Smith

23h 30m

1 stop

USM17:20Ko Samui

17 May

USM08:40Ko Samui

31h 55m

1 stop

SYD19:35Sydney Kingsford Smith

$687

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PerthKo Samui

PER - USM

PERUSM

Perth

Sat 7/3

17:45-17:10

1 stop24h 25m

Ko Samui

Sat 21/3

08:55-04:15

1 stop18h 20m

$617

PerthKo Samui

PER - USM

PERUSM

Perth

Sat 7/3

05:35-17:10

1 stop12h 35m

Ko Samui

Sat 21/3

08:55-04:15

1 stop18h 20m

$663

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Mon 4/5

20:50-17:20

1 stop23h 30m

Ko Samui

Sun 17/5

08:40-19:35

1 stop31h 55m

$687

PerthKo Samui

PER - USM

PERUSM

Perth

Sat 7/3

05:35-17:10

1 stop12h 35m

Ko Samui

Sat 21/3

15:50-19:55

2 stops27h 05m

$697

PerthKo Samui

PER - USM

PERUSM

Perth

Thu 5/2

05:35-18:50

1 stop14h 15m

Ko Samui

Thu 12/2

09:20-04:30

2 stops18h 10m

$700

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Wed 3/6

19:10-20:30

2 stops27h 50m

Ko Samui

Sat 13/6

08:20-09:25

2 stops22h 35m

$1,197

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Sun 10/5

17:35-07:50

1 stop16h 45m

Ko Samui

Wed 8/7

08:45-16:20

1 stop29h 05m

$1,287

NewcastleKo Samui

NTL - USM

NTLUSM

Newcastle Williamtown

Sun 17/5

10:50-21:10

2 stops37h 20m

Ko Samui

Thu 21/5

16:25-20:45

2 stops25h 20m

$1,469

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Sun 1/2

18:35-08:00

1 stop16h 25m

Ko Samui

Sun 8/2

18:05-17:20

1 stop20h 15m

$1,561

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Wed 4/3

11:35-19:35

2 stops35h 00m

Ko Samui

Fri 6/3

11:40-10:45

2 stops44h 05m

$2,142

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

Airlines

Other information

What is the cheapest month to fly to Ko Samui?

The month of October is, on average, the cheapest month to fly to Ko Samui from Australia, with most prices found around $856. If you aren’t able to travel during the month of October, then book flights to Ko Samui from Australia during November instead. Flights to Ko Samui in November, while not as cheap as those in October, still average around $876.

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 $1,114. 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 $1,280.

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 $938. Flights in the morning are often more expensive, with an average ticket price of $1,312.

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 $1,070 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 $914 on momondo.

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

You could potentially save up to 76% 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	10h 55m
Direct flights	None

The fastest flight from Australia to Ko Samui takes 10h 55m

There are no direct flights from Australia to Ko Samui. There are no popular flight routes from Australia to Ko Samui.

Search flight deals

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 December 2025.
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 $487	Free cancellation	Rating 6.7 313 reviews	Search Scoot flights
Singapore Airlines	PriceFrom $812	Free cancellation	Rating 8.1 1,414 reviews	Search Singapore Airlines flights
Qantas Airways	PriceFrom $926	Free cancellation	Rating 7.5 948 reviews	Search Qantas Airways flights
Bangkok Airways	PriceFrom $1,147	Free cancellation	Rating 8.0 118 reviews	Search Bangkok Airways flights
Thai Airways	PriceFrom $1,269	Free cancellation	Rating 7.8 366 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.