What is the cheapest airline that flies from Sydney Kingsford Smith to Ko Samui?

Scoot is the most popular carrier operating from Sydney Kingsford Smith to Ko Samui

Which stopover airport offers the lowest fares from Sydney to Ko Samui?

Flights via Singapore (SIN) offer the lowest average return price of $1,466.

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 Sydney according to our data. Scoot is the first choice among our users, with 63% of people opting to fly with this airline when travelling to Ko Samui. Keep in mind that there are 4 different airlines that fly to Ko Samui on a routine basis, so you have a few additional options to choose from.

Which stopover airport has the shortest connection time from Sydney to Ko Samui?

Bangkok (BKK) has the shortest average stopover time for this route: 3h 07m.

Which airport is the most popular for stopovers for flights between Sydney and Ko Samui?

Singapore (SIN) was the most common stop: 86% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport has the shortest travel time from Sydney to Ko Samui?

Flights connecting via Bangkok (BKK) have the shortest average one-way travel time: 14h 10m.

When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Ko Samui Airport?

Prices for flights from Sydney Kingsford Smith Airport to Ko Samui Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Ko Samui Airport?

As of October 2026, there are 4 operators available to choose from for flights from Sydney Kingsford Smith Airport to Ko Samui Airport.

How old do you have to be to fly from Sydney Kingsford Smith Airport to Ko Samui Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Ko Samui Airport.

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

The necessary travel and health documents for your Ko Samui Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$484 Cheap Flights from Sydney to Ko Samui in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sydney to Ko Samui

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One-way

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Cheap return flights

Enter your travel dates to find the best prices.

20:05 - 18:55SYD Sydney Kingsford Smith-USM Ko Samui

26h 50m1 stop Singapore Changi

08:55 - 18:50USM Ko Samui-SYD Sydney Kingsford Smith

29h 55m1 stop Singapore Changi

$665Scoot

Wed, 17 Feb - Sun, 28 Feb

20:05 - 08:00SYD Sydney Kingsford Smith-USM Ko Samui

15h 55m1 stop Singapore Changi

19:50 - 18:50USM Ko Samui-SYD Sydney Kingsford Smith

19h 00m1 stop Singapore Changi

$719Scoot

Sun, 31 Jan - Tue, 23 Feb

20:05 - 18:55SYD Sydney Kingsford Smith-USM Ko Samui

26h 50m1 stop Singapore Changi

08:55 - 18:50USM Ko Samui-SYD Sydney Kingsford Smith

29h 55m1 stop Singapore Changi

$740Scoot

Mon, 15 Feb - Wed, 3 Mar

20:05 - 15:10SYD Sydney Kingsford Smith-USM Ko Samui

23h 05m2 stops Singapore Changi Phuket City

08:55 - 18:50USM Ko Samui-SYD Sydney Kingsford Smith

29h 55m1 stop Singapore Changi

$963Multiple Airlines

Sat, 14 Nov - Mon, 30 Nov

13:25 - 07:10SYD Sydney Kingsford Smith-USM Ko Samui

21h 45m2 stops Singapore Changi Bangkok Suvarnabhumi

08:55 - 18:50USM Ko Samui-SYD Sydney Kingsford Smith

29h 55m1 stop Singapore Changi

$963Multiple Airlines

Mon, 15 Feb - Wed, 3 Mar

16:30 - 21:05SYD Sydney Kingsford Smith-USM Ko Samui

32h 35m1 stop Singapore Changi

13:25 - 09:45USM Ko Samui-SYD Sydney Kingsford Smith

16h 20m2 stops Singapore Changi Melbourne

$1,584Qantas Airways

Wed, 11 Nov - Sun, 15 Nov

16:10 - 18:15SYD Sydney Kingsford Smith-USM Ko Samui

30h 05m1 stop Singapore Changi

16:25 - 13:25USM Ko Samui-SYD Sydney Kingsford Smith

17h 00m2 stops Singapore Changi Melbourne

$1,587Qantas Airways

Wed, 11 Nov - Sun, 15 Nov

10:00 - 20:25SYD Sydney Kingsford Smith-USM Ko Samui

14h 25m1 stop Bangkok Suvarnabhumi

18:30 - 11:55USM Ko Samui-SYD Sydney Kingsford Smith

13h 25m1 stop Bangkok Suvarnabhumi

$1,806Thai Airways

Fri, 18 Dec - Tue, 29 Dec

15:50 - 08:00SYD Sydney Kingsford Smith-USM Ko Samui

20h 10m1 stop Singapore Changi

19:50 - 11:50USM Ko Samui-SYD Sydney Kingsford Smith

12h 00m1 stop Singapore Changi

$4,855Singapore Airlines

Sun, 21 Feb - Sun, 7 Mar

10:00 - 07:45SYD Sydney Kingsford Smith-USM Ko Samui

25h 45m1 stop Bangkok Suvarnabhumi

21:10 - 11:55USM Ko Samui-SYD Sydney Kingsford Smith

34h 45m1 stop Bangkok Suvarnabhumi

$5,198Thai Airways

Sat, 5 Dec - Sun, 24 Jan

Cheap last-minute flights

Enter your travel dates to find the best prices.

15:10 - 07:10SYD Sydney Kingsford Smith-USM Ko Samui

20h 00m2 stops Guangzhou Baiyun Bangkok Suvarnabhumi

07:00 - 20:25USM Ko Samui-SYD Sydney Kingsford Smith

33h 25m2 stops Bangkok Suvarnabhumi Guangzhou Baiyun

$950Multiple Airlines

Mon, 2 Nov - Mon, 9 Nov

15:10 - 07:10SYD Sydney Kingsford Smith-USM Ko Samui

20h 00m2 stops Guangzhou Baiyun Bangkok Suvarnabhumi

07:00 - 20:25USM Ko Samui-SYD Sydney Kingsford Smith

33h 25m2 stops Bangkok Suvarnabhumi Guangzhou Baiyun

$952Multiple Airlines

Tue, 3 Nov - Tue, 10 Nov

12:35 - 20:25SYD Sydney Kingsford Smith-USM Ko Samui

35h 50m2 stops Xiamen Gaoqi Intl Bangkok Suvarnabhumi

07:00 - 10:35USM Ko Samui-SYD Sydney Kingsford Smith

23h 35m2 stops Bangkok Suvarnabhumi Xiamen Gaoqi Intl

$953Multiple Airlines

Sat, 31 Oct - Sat, 7 Nov

15:10 - 07:10SYD Sydney Kingsford Smith-USM Ko Samui

20h 00m2 stops Guangzhou Baiyun Bangkok Suvarnabhumi

07:00 - 20:25USM Ko Samui-SYD Sydney Kingsford Smith

33h 25m2 stops Bangkok Suvarnabhumi Guangzhou Baiyun

$956Multiple Airlines

Mon, 2 Nov - Mon, 9 Nov

20:05 - 10:55SYD Sydney Kingsford Smith-USM Ko Samui

18h 50m1 stop Singapore Changi

18:05 - 18:50USM Ko Samui-SYD Sydney Kingsford Smith

20h 45m1 stop Singapore Changi

$1,020Scoot

Sun, 1 Nov - Sun, 8 Nov

13:25 - 17:10SYD Sydney Kingsford Smith-USM Ko Samui

31h 45m1 stop Singapore Changi

12:00 - 12:10USM Ko Samui-SYD Sydney Kingsford Smith

20h 10m1 stop Singapore Changi

$1,060Scoot

Wed, 4 Nov - Mon, 16 Nov

20:05 - 10:55SYD Sydney Kingsford Smith-USM Ko Samui

18h 50m1 stop Singapore Changi

12:00 - 12:10USM Ko Samui-SYD Sydney Kingsford Smith

20h 10m1 stop Singapore Changi

$1,073Scoot

Sat, 31 Oct - Sat, 7 Nov

20:05 - 10:55SYD Sydney Kingsford Smith-USM Ko Samui

18h 50m1 stop Singapore Changi

18:05 - 12:10USM Ko Samui-SYD Sydney Kingsford Smith

14h 05m1 stop Singapore Changi

$1,227Scoot

Tue, 3 Nov - Tue, 10 Nov

10:25 - 20:25SYD Sydney Kingsford Smith-USM Ko Samui

14h 00m1 stop Bangkok Suvarnabhumi

16:25 - 13:55USM Ko Samui-SYD Sydney Kingsford Smith

17h 30m2 stops Singapore Changi Melbourne

$1,567Qantas Airways

Wed, 4 Nov - Sun, 8 Nov

20:55 - 21:05SYD Sydney Kingsford Smith-USM Ko Samui

28h 10m3 stops Adelaide Melbourne Singapore Changi

13:25 - 09:30USM Ko Samui-SYD Sydney Kingsford Smith

16h 05m2 stops Singapore Changi Melbourne

$3,418Qantas Airways

Sat, 31 Oct - Sat, 7 Nov

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Scoot flights from Sydney to Ko Samui

Our best Scoot deals on Sydney to Ko Samui flight tickets

Scoot

17 Feb

SYD20:05Sydney Kingsford Smith

26h 50m

1 stop

USM18:55Ko Samui

28 Feb

USM08:55Ko Samui

29h 55m

1 stop

SYD18:50Sydney Kingsford Smith

$665

Scoot

31 Jan

SYD20:05Sydney Kingsford Smith

15h 55m

1 stop

USM08:00Ko Samui

23 Feb

USM19:50Ko Samui

19h 00m

1 stop

SYD18:50Sydney Kingsford Smith

$719

Scoot

15 Feb

SYD20:05Sydney Kingsford Smith

26h 50m

1 stop

USM18:55Ko Samui

3 Mar

USM08:55Ko Samui

29h 55m

1 stop

SYD18:50Sydney Kingsford Smith

$740

Qantas Airways flights from Sydney to Ko Samui

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

Qantas Airways

4 Nov

SYD10:25Sydney Kingsford Smith

14h 00m

1 stop

USM20:25Ko Samui

8 Nov

USM16:25Ko Samui

17h 30m

2 stops

SYD13:55Sydney Kingsford Smith

$1,567

Qantas Airways

11 Nov

SYD16:30Sydney Kingsford Smith

32h 35m

1 stop

USM21:05Ko Samui

15 Nov

USM13:25Ko Samui

16h 20m

2 stops

SYD09:45Sydney Kingsford Smith

$1,584

Qantas Airways

11 Nov

SYD16:10Sydney Kingsford Smith

30h 05m

1 stop

USM18:15Ko Samui

15 Nov

USM16:25Ko Samui

17h 00m

2 stops

SYD13:25Sydney Kingsford Smith

$1,587

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyKo Samui

SYD Sydney Kingsford Smith - USM Ko Samui

SYDUSM

Sydney Kingsford Smith

Wed 17/2

20:05-18:55

1 stop26h 50m

Ko Samui

Sun 28/2

08:55-18:50

1 stop29h 55m

$665

SydneyKo Samui

SYD Sydney Kingsford Smith - USM Ko Samui

SYDUSM

Sydney Kingsford Smith

Sun 31/1

20:05-08:00

1 stop15h 55m

Ko Samui

Tue 23/2

19:50-18:50

1 stop19h 00m

$719

SydneyKo Samui

SYD Sydney Kingsford Smith - USM Ko Samui

SYDUSM

Sydney Kingsford Smith

Mon 15/2

20:05-18:55

1 stop26h 50m

Ko Samui

Wed 3/3

08:55-18:50

1 stop29h 55m

$740

SydneyKo Samui

SYD Sydney Kingsford Smith - USM Ko Samui

SYDUSM

Sydney Kingsford Smith

Sat 14/11

20:05-15:10

2 stops23h 05m

Ko Samui

Mon 30/11

08:55-18:50

1 stop29h 55m

$963

SydneyKo Samui

SYD Sydney Kingsford Smith - USM Ko Samui

SYDUSM

Sydney Kingsford Smith

Mon 15/2

13:25-07:10

2 stops21h 45m

Ko Samui

Wed 3/3

08:55-18:50

1 stop29h 55m

$963

SydneyKo Samui

SYD Sydney Kingsford Smith - USM Ko Samui

SYDUSM

Sydney Kingsford Smith

Wed 11/11

16:30-21:05

1 stop32h 35m

Ko Samui

Sun 15/11

13:25-09:45

2 stops16h 20m

$1,584

SydneyKo Samui

SYD Sydney Kingsford Smith - USM Ko Samui

SYDUSM

Sydney Kingsford Smith

Wed 11/11

16:10-18:15

1 stop30h 05m

Ko Samui

Sun 15/11

16:25-13:25

2 stops17h 00m

$1,587

Fastest return journey

SydneyKo Samui

SYD Sydney Kingsford Smith - USM Ko Samui

SYDUSM

Sydney Kingsford Smith

Fri 18/12

10:00-20:25

1 stop14h 25m

Ko Samui

Tue 29/12

18:30-11:55

1 stop13h 25m

$1,806

SydneyKo Samui

SYD Sydney Kingsford Smith - USM Ko Samui

SYDUSM

Sydney Kingsford Smith

Sun 21/2

15:50-08:00

1 stop20h 10m

Ko Samui

Sun 7/3

19:50-11:50

1 stop12h 00m

$4,854

SydneyKo Samui

SYD Sydney Kingsford Smith - USM Ko Samui

SYDUSM

Sydney Kingsford Smith

Sat 5/12

10:00-07:45

1 stop25h 45m

Ko Samui

Sun 24/1

21:10-11:55

1 stop34h 45m

$5,198

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 Sydney 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

Stopovers

What is the typical price of a round-trip flight between Sydney and Ko Samui?

Prices are currently low for flights on this route.

Typical prices usually range from $861 to $1,280.
The lowest price recently found on this route was $665.

What is the cheapest month to fly to Ko Samui?

The month of March is, on average, the cheapest month to fly to Ko Samui from Sydney, with most prices found around $987. If you aren’t able to travel during the month of March, then book flights to Ko Samui from Sydney during November instead. Flights to Ko Samui in November, while not as cheap as those in March, still average around $996.

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

You are more likely to see cheaper flights to Ko Samui from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Ko Samui for around $1,233 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 Sydney for as low as $854 on momondo.

How have Sydney to Ko Samui flight prices changed over time?

As of October 2026, prices for Sydney to Ko Samui flights are approximately 37% more expensive when compared to flights at the same time last year.

When to book flights from Sydney to Ko Samui

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Sydney to Ko Samui (SYD to USM) flight deals and tips

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

Best price found	$484
Fastest flight time	14h 10m
Direct flights	None

The best one-way flight to Ko Samui from Sydney in the past 72 hours is $484. The best return flight deal from Sydney to Ko Samui found on momondo in the last 72 hours is $665.

The fastest flight from Sydney to Ko Samui takes 14h 10m

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

Search flight deals

Frequently asked questions about flying from Sydney to Ko Samui

How far is Sydney Kingsford Smith to Ko Samui by plane?
The distance between Sydney Kingsford Smith and Ko Samui is about 7231.6 km. By plane, this route typically takes 14h 10m.
When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Ko Samui Airport?
Prices for flights from Sydney Kingsford Smith Airport to Ko Samui Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Ko Samui Airport?
As of October 2026, there are 4 operators available to choose from for flights from Sydney Kingsford Smith Airport to Ko Samui Airport.
How old do you have to be to fly from Sydney Kingsford Smith Airport to Ko Samui Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Ko Samui Airport.
What documentation or ID do you need to fly to Ko Samui Airport?
The necessary travel and health documents for your Ko Samui Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Sydney to Ko Samui?
momondo data reveals that the most frequently booked airline on the route from Sydney to Ko Samui is Scoot, representing 63% of all bookings. The subsequent popular airlines are Singapore Airlines at 16%, Qantas Airways at 12%, and Thai Airways at 9%.

Best airlines flying from Sydney to Ko Samui

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

Airline	Rating	Free cancellation	Price
Scoot	PriceFrom $700	Free cancellation	Rating 6.7 337 reviews	Search Scoot flights
Qantas Airways	PriceFrom $1,006	Free cancellation	Rating 7.5 1,121 reviews	Search Qantas Airways flights
Singapore Airlines	PriceFrom $1,235	Free cancellation	Rating 8.2 1,630 reviews	Search Singapore Airlines flights
Thai Airways	PriceFrom $1,382	Free cancellation	Rating 7.9 433 reviews	Search Thai Airways flights

Ko Tao

Ko Pha Ngan

Khanom

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Sydney to Ko Samui for you.

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

momondo does allow users to show only those flights to Ko Samui from Sydney which offer a flexible booking policy as well as other useful filters and features.

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

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

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

Price alerts on flights to Ko Samui from Sydney 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 Sydney to Ko Samui from $484

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Ko Samui departing on 4/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Scoot flights from Sydney to Ko Samui

Our best Scoot deals on Sydney to Ko Samui flight tickets

Qantas Airways flights from Sydney to Ko Samui

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

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See travel insights to Ko Samui from

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

What is the typical price of a round-trip flight between Sydney and Ko Samui?

What is the cheapest month to fly to Ko Samui?

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

How have Sydney to Ko Samui flight prices changed over time?

What is the cheapest airline that flies from Sydney Kingsford Smith to Ko Samui?

Which airlines fly to Ko Samui?

Which airport is the most popular for stopovers for flights between Sydney and Ko Samui?

Which stopover airport offers the lowest fares from Sydney to Ko Samui?

Which stopover airport has the shortest travel time from Sydney to Ko Samui?

Which stopover airport has the shortest connection time from Sydney to Ko Samui?

When to book flights from Sydney to Ko Samui

Cheap Sydney to Ko Samui (SYD to USM) flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Sydney to Ko Samui

Best airlines flying from Sydney to Ko Samui

Compare and see reviews for airlines that fly from Sydney 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.

Find better results for your trip to Thailand

Airports servicing Thailand

Fly your favourite airline to Ko Samui

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