Which airport typically offers the quickest stopover for flights from Sydney to Ko Samui?

Flights via Singapore (SIN) offer the fastest connection on this route, with an average stopover time of 4h 51m.

What’s the top stopover airport for flights from Sydney to Ko Samui?

Singapore (SIN) – chosen by Cheapflights users on 89% of one-stop itineraries from Sydney to Ko Samui on Cheapflights.

What’s the fastest stopover option from Sydney to Ko Samui?

Flights via Singapore (SIN) have the shortest average one-way travel time for one-stop routes: 15h 20m.

What’s the cheapest stopover airport for flights from Sydney to Ko Samui?

Singapore (SIN) is the most affordable one-stop option, with an average return flight price of $1,370.

How long is the flight from Sydney to Ko Samui?

Scoot can get you from Sydney to Ko Samui in just under 31h 45m. Your travel time can differ by up to . The distance from Sydney to Ko Samui is about 7234 km.

What are the cheapest airlines flying from Sydney to Ko Samui round-trip?

Scoot, at $688, was found to be the cheapest airline from Sydney to Ko Samui.Alternate airlines to your destination round-trip include Qantas Airways and Singapore Airlines. Users have found that Scoot is 41% cheaper than the other options available to this destination.

In terms of precipitation, rainfall in Ko Samui ranges from 58.0 - 490.0 inches per month. November is typically the wettest month, when rainfall can reach 490.0 mm. February is typically the driest time to visit Ko Samui when rainfall is around 58.0 mm.

If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).

What are the most popular airlines that fly from Sydney to Ko Samui?

Consider Scoot, Singapore Airlines or Qantas Airways when booking your flight. These represent the most popular airlines when flying from Sydney to Ko Samui.

What is the cheapest time of day to fly from SYD to USM?

When flying from Sydney to Ko Samui, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Sydney to Ko Samui that include hotel bookings?

Yes. In addition to deals on Sydney to Ko Samui flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Sydney to Ko Samui?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Ko Samui.

Can I find deals for business class flights from Sydney to Ko Samui?

Yes. Cheapflights offers flight deals from Sydney to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$358+ Cheap Flights from Sydney to Ko Samui

Cheap flight deals from Sydney to Ko Samui

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Sydney to Ko Samui
Explore the most affordable flight options available from Sydney to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2026.

Mon 12/1014:00 -

1 stop32h 50m

Mon 26/1019:45 -

1 stop12h 25m

Deal found 15/8$666

Tue 17/1120:05 -

1 stop26h 45m

Tue 24/1119:45 -

1 stop12h 25m

Deal found 15/8$673

Mon 19/1021:35 -

1 stop25h 15m

Tue 27/1019:45 -

1 stop12h 25m

Deal found 15/8$679

Mon 2/1120:05 -

1 stop25h 05m

Mon 16/1119:45 -

1 stop19h 05m

Deal found 17/8$763

Mon 9/1120:05 -

1 stop15h 55m

Thu 12/1119:45 -

1 stop19h 05m

Deal found 18/8$765

Sun 1/1120:05 -

1 stop26h 45m

Sat 28/1119:45 -

1 stop19h 05m

Deal found 17/8$803

Mon 16/1120:05 -

1 stop15h 55m

Thu 26/1108:55 -

2 stops22h 35m

Deal found 15/8$821

Tue 13/1014:00 -

1 stop32h 50m

Fri 23/1018:15 -

1 stop22h 05m

Deal found 14/8$834

Tue 20/1021:35 -

1 stop25h 15m

Fri 23/1018:15 -

1 stop14h 30m

Deal found 17/8$856

Sun 13/909:45 -

2 stops25h 40m

Sat 19/908:00 -

2 stops21h 20m

Deal found 15/8$866

Fri 11/909:45 -

2 stops25h 40m

Sat 19/908:00 -

2 stops21h 20m

Deal found 14/8$868

Mon 16/1120:05 -

1 stop15h 55m

Sun 22/1112:15 -

2 stops17h 45m

Deal found 15/8$879

Find flight deals from Sydney to Ko Samui

Round-trip from	$666
One-way from	$358
Popular in	December
Cheapest in	March
Average price	$1,034

Scoot
12/10-26/10
2 total stops
45h 15m total
Sydney to Ko Samui

Search Deals

Scoot
9/2
1 total stop
31h 45m total
Sydney to Ko Samui

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($162 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($50 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyKo Samui

SYD Sydney Kingsford Smith - USM Ko Samui

SYDUSM

Sydney Kingsford Smith

Sun 13/9

10:15-20:25

2 stops37h 10m

Ko Samui

Sat 19/9

17:55-08:50

1 stop11h 55m

$1,061

SydneyKo Samui

SYD Sydney Kingsford Smith - USM Ko Samui

SYDUSM

Sydney Kingsford Smith

Mon 2/11

13:25-17:10

1 stop31h 45m

Ko Samui

Tue 3/11

19:45-12:10

1 stop12h 25m

$1,151

SydneyKo Samui

SYD Sydney Kingsford Smith - USM Ko Samui

SYDUSM

Sydney Kingsford Smith

Tue 20/10

21:35-18:50

1 stop25h 15m

Ko Samui

Fri 23/10

08:00-06:55

2 stops18h 55m

$1,292

SydneyKo Samui

SYD Sydney Kingsford Smith - USM Ko Samui

SYDUSM

Sydney Kingsford Smith

Sun 11/10

22:10-13:45

2 stops19h 35m

Ko Samui

Mon 26/10

14:05-10:20

2 stops16h 15m

$1,394

Fastest return journey

SydneyKo Samui

SYD Sydney Kingsford Smith - USM Ko Samui

SYDUSM

Sydney Kingsford Smith

Tue 15/9

09:50-20:50

1 stop14h 00m

Ko Samui

Thu 24/9

16:25-06:45

1 stop11h 20m

$1,421

SydneyKo Samui

SYD Sydney Kingsford Smith - USM Ko Samui

SYDUSM

Sydney Kingsford Smith

Mon 2/11

10:25-19:50

1 stop13h 25m

Ko Samui

Tue 3/11

14:05-13:50

2 stops19h 45m

$1,473

SydneyKo Samui

SYD Sydney Kingsford Smith - USM Ko Samui

SYDUSM

Sydney Kingsford Smith

Sun 1/11

22:15-13:05

2 stops18h 50m

Ko Samui

Sat 28/11

14:05-10:20

2 stops16h 15m

$1,483

SydneyKo Samui

SYD Sydney Kingsford Smith - USM Ko Samui

SYDUSM

Sydney Kingsford Smith

Sun 20/9

09:50-20:50

1 stop14h 00m

Ko Samui

Thu 24/9

08:20-06:45

1 stop19h 25m

$1,549

Cheapest one-way

SydneyKo Samui

SYD Sydney Kingsford Smith - USM Ko Samui

SYDUSM

Sydney Kingsford Smith

Fri 5/2

12:05-07:10

2 stops47h 05m

$531

SydneyKo Samui

SYD Sydney Kingsford Smith - USM Ko Samui

SYDUSM

Sydney Kingsford Smith

Sun 30/8

13:00-08:25

2 stops46h 25m

$535

Flights are sorted by cheapest return flights first.

Deals found on 16/8

Showing 1-10 of 20 resultsSorted by cheapest first

Best time to book a flight from Sydney to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Sydney with our price prediction graph.

SYD-USM

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sydney to Ko Samui

Prices

Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Ko Samui. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Sydney to Ko Samui?

Currently, March is the cheapest month in which you can book a flight from Sydney to Ko Samui (average of $854). Flying from Sydney to Ko Samui in December is currently the most expensive (average of $1,552). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Sydney to Ko Samui?

Airfare is below average for this route at the moment.

Sydney to Ko Samui flights typically cost between $976 and $1,158 in October.
The cheapest return price found within the last 5 days was $666 on Scoot (12 Oct–26 Oct).

Reviews of airlines servicing Ko Samui

Read through reviews of airlines operating flights from Sydney to Ko Samui, such as Singapore Airlines,Thai Airways, andQantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.2

Very Good

1,584 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Singapore Airlines

8.2

Very Good

1,584 reviews

Singapore Airlines

8.2

Very Good

1,584 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Thai Airways

7.9

Good

416 reviews

Singapore Airlines

8.2

Very Good

1,584 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Qantas Airways

7.5

Good

1,083 reviews

Singapore Airlines

8.2

Very Good

1,584 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Scoot

6.7

Okay

330 reviews

Singapore Airlines

8.2

Very Good

1,584 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Related info for your journey

How long is the flight from Sydney to Ko Samui?
Scoot can get you from Sydney to Ko Samui in just under 31h 45m. Your travel time can differ by up to . The distance from Sydney to Ko Samui is about 7234 km.
What are the cheapest airlines flying from Sydney to Ko Samui round-trip?
Scoot, at $688, was found to be the cheapest airline from Sydney to Ko Samui.Alternate airlines to your destination round-trip include Qantas Airways and Singapore Airlines. Users have found that Scoot is 41% cheaper than the other options available to this destination.
Can I find deals for flights from Sydney to Ko Samui that include hotel bookings?
Yes. In addition to deals on Sydney to Ko Samui flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Sydney to Ko Samui?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Ko Samui.
Can I find deals for business class flights from Sydney to Ko Samui?
Yes. Cheapflights offers flight deals from Sydney to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Sydney to Ko Samui?
Currently, March is the cheapest month in which you can book a flight from Sydney to Ko Samui (average of $854). Flying from Sydney to Ko Samui in December is currently the most expensive (average of $1,552). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Ko Tao

Ko Pha Ngan

Browse thousands of different options on Cheapflights for your next trip

Airlines

Alternative routes

Complete your trip

Direct flights to Thailand

Flights by cabin class

Ko Samui flight routes

Other flight options

Other flights from Sydney

Popular flights

Fly from Sydney to Ko Samui on these airlines

Singapore Airlines flights from Sydney Kingsford Smith to Ko Samui

Qantas Airways flights from Sydney Kingsford Smith to Ko Samui

Top 4 airlines flying from Sydney to Ko Samui

Airline	Cheapest	Average	Flexibility	On-time
Scoot	Cheapest$688	Average$1,076	FlexibilityNo cancel fee	On-timeN/A	Search Scoot flights
Qantas Airways	Cheapest$980	Average$1,256	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights
Singapore Airlines	Cheapest$1,146	Average$1,401	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Thai Airways	Cheapest$1,237	Average$1,415	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Sydney to Ko Samui?

Cheapflights makes it easy to find Sydney to Ko Samui flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Sydney to Ko Samui?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ko Samui from Sydney.

Can Cheapflights find flights from Sydney to Ko Samui with no change fees?

Certainly. Search results for flights to Ko Samui from Sydney shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Sydney to Ko Samui become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ko Samui from Sydney today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Sydney to Ko Samui from $358

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Sydney to Ko Samui

Cheapest flights from Sydney to Ko SamuiExplore the most affordable flight options available from Sydney to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2026.

Explore the most affordable flight options available from Sydney to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2026.

Best flights from Sydney to Ko SamuiDiscover carefully curated flight deals from Sydney to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 August 2026.

Discover carefully curated flight deals from Sydney to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 August 2026.

Last-minute flights from Sydney to Ko SamuiDiscover last-minute flight deals from Sydney to Ko Samui. Data last updated 19 August 2026 and is based on user searches.

Discover last-minute flight deals from Sydney to Ko Samui. Data last updated 19 August 2026 and is based on user searches.

One-way flights from Sydney to Ko SamuiSearch for one-way flight options from Sydney to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 19 August 2026.

Search for one-way flight options from Sydney to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 19 August 2026.

Find flight deals from Sydney to Ko Samui

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Sydney to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Sydney with our price prediction graph.

Cheapflights Insights

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

Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Ko Samui. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Sydney to Ko Samui?

How much does it cost for a return flight from Sydney to Ko Samui?

Airfare is below average for this route at the moment.

Sydney to Ko Samui flights typically cost between $976 and $1,158 in October.The cheapest return price found within the last 5 days was $666 on Scoot (12 Oct–26 Oct).

What’s the top stopover airport for flights from Sydney to Ko Samui?

Singapore (SIN) – chosen by Cheapflights users on 89% of one-stop itineraries from Sydney to Ko Samui on Cheapflights.

What’s the cheapest stopover airport for flights from Sydney to Ko Samui?

Singapore (SIN) is the most affordable one-stop option, with an average return flight price of $1,370.

What’s the fastest stopover option from Sydney to Ko Samui?

Flights via Singapore (SIN) have the shortest average one-way travel time for one-stop routes: 15h 20m.

Which airport typically offers the quickest stopover for flights from Sydney to Ko Samui?

Flights via Singapore (SIN) offer the fastest connection on this route, with an average stopover time of 4h 51m.

Reviews of airlines servicing Ko Samui

Read through reviews of airlines operating flights from Sydney to Ko Samui, such as Singapore Airlines,Thai Airways, andQantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Sydney to Ko Samui?

What are the cheapest airlines flying from Sydney to Ko Samui round-trip?

Can I find deals for flights from Sydney to Ko Samui that include hotel bookings?

How can I find direct flights from Sydney to Ko Samui?

Can I find deals for business class flights from Sydney to Ko Samui?

What is the cheapest month to book a flight from Sydney to Ko Samui?

Travelling to a place near Ko Samui?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Sydney to Ko Samui on these airlines

Choose from the following airlines for your flight from Sydney to Ko Samui. Flights are based on user searches made on Cheapflights and were last updated on 19 August 2026.

Alternative routes for Sydney to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Ko Samui by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Thailand

Book a non-stop flight to one of these other cities located in Thailand.

Search flights from Sydney to Ko Samui by cabin class

Find flights from Sydney to Ko Samui, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Ko Samui

Explore flights to Ko Samui departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 19 August 2026.

Sydney and Ko Samui flights

Browse other Sydney and Ko Samui flight options. Last updated on 19 August 2026.

Other flights from Sydney

Browse through other flights departing from Sydney. Flights are based on user searches made on Cheapflights and were last updated on 19 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 4 airlines flying from Sydney to Ko Samui

Fly with Cheapflights

How does Cheapflights help users find flights from Sydney to Ko Samui?

Why should you use Cheapflights to find cheap flight tickets from Sydney to Ko Samui?

Can Cheapflights find flights from Sydney to Ko Samui with no change fees?

Can Cheapflights notify me if prices for flights from Sydney to Ko Samui become cheaper?

100% Free

Book with flexibility

Travel Smart

Cheapest flights from Sydney to Ko Samui
Explore the most affordable flight options available from Sydney to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2026.

Best flights from Sydney to Ko Samui
Discover carefully curated flight deals from Sydney to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 August 2026.

Last-minute flights from Sydney to Ko Samui
Discover last-minute flight deals from Sydney to Ko Samui. Data last updated 19 August 2026 and is based on user searches.

One-way flights from Sydney to Ko Samui
Search for one-way flight options from Sydney to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 19 August 2026.

Sydney to Ko Samui flights typically cost between $976 and $1,158 in October.
The cheapest return price found within the last 5 days was $666 on Scoot (12 Oct–26 Oct).