How long is the flight from Australia to Ko Samui?

For as low as $588, Scoot can have you in Ko Samui from Australia in 14h 15m. There are 4910 km between Australia and Ko Samui. Find deals

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. Find deals

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 routes from Australia to Ko Samui?

While some choose either Sydney Kingsford Smith - Ko Samui or Perth - Ko Samui, Melbourne - Ko Samui is the most popular route from Australia to Ko Samui.

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

The most popular airlines flying from Australia to Ko Samui are Scoot, Singapore Airlines and Thai Airways. Something to consider prior to booking your flight.

What airport do you fly into for flights to Ko Samui from Australia?

If you book a flight to Ko Samui from Australia, you will be flying to Ko Samui, which is the city’s only airport. Ko Samui (USM) is located 3.3 km from the centre of Ko Samui.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Australia 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.

$271+ Cheap Flights from Australia to Ko Samui

Cheap flight deals from Australia to Ko Samui

Round-trip from	$470
One-way from	$271
Popular in	December
Cheapest in	October
Average price	$869

Scoot
10/11-18/11
2 total stops
32h 35m total
Australia to Ko Samui

Search Deals

Scoot
21/11
1 total stop
27h 25m total
Australia to Ko Samui

Search Deals

Highest demand for flights based on searches. 16% potential increase in price ($319 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($64 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Find flight deals from Australia to Ko Samui

Enter your travel dates to find the best prices.

Cheapest flights from Australia to Ko Samui
Explore the most affordable flight options available from Australia to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.

Mon 10/1105:35PER - USM

1 stop14h 15mScoot

Tue 18/1108:55USM - PER

1 stop18h 20mScoot

Deal found 28/10$470

Mon 10/1105:35PER - USM

1 stop14h 15mScoot

Mon 17/1108:55USM - PER

1 stop18h 20mScoot

Deal found 28/10$531

Fri 21/1105:35PER - USM

1 stop12h 35mScoot

Sun 30/1108:55USM - PER

1 stop18h 20mScoot

Deal found 28/10$537

Thu 27/1105:35PER - USM

1 stop12h 35mScoot

Thu 4/1208:55USM - PER

1 stop18h 20mScoot

Deal found 28/10$588

Fri 7/1105:35PER - USM

1 stop12h 35mScoot

Fri 14/1112:00USM - PER

1 stop15h 15mScoot

Deal found 27/10$597

Mon 10/1105:35PER - USM

1 stop14h 15mMultiple Airlines

Mon 17/1108:15USM - PER

2 stops19h 15mMultiple Airlines

Deal found 28/10$650

Mon 10/1105:35PER - USM

1 stop14h 15mMultiple Airlines

Tue 18/1118:15USM - PER

2 stops33h 15mMultiple Airlines

Deal found 28/10$653

Fri 7/1105:35PER - USM

1 stop12h 35mMultiple Airlines

Fri 14/1108:15USM - PER

2 stops19h 15mMultiple Airlines

Deal found 27/10$658

Thu 27/1105:35PER - USM

1 stop27h 25mScoot

Thu 19/308:55USM - PER

1 stop18h 20mScoot

Deal found 27/10$668

Fri 21/1105:35PER - USM

1 stop12h 35mMultiple Airlines

Sun 30/1118:15USM - PER

2 stops33h 15mMultiple Airlines

Deal found 28/10$671

Mon 27/1020:05SYD - USM

1 stop25h 05mScoot

Sun 9/1108:55USM - SYD

1 stop29h 55mScoot

Deal found 25/10$679

Tue 2/1205:35PER - USM

1 stop27h 25mScoot

Tue 16/1208:55USM - PER

1 stop18h 20mScoot

Deal found 28/10$693

Best flights from Australia to Ko Samui
Discover carefully curated flight deals from Australia to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 October 2025.

Thu 5/305:35PER - USM

1 stop14h 15mScoot

Sat 21/308:55USM - PER

1 stop30h 35mScoot

Deal found 26/10$588

Thu 12/305:35PER - USM

2 stops26h 35mMultiple Airlines

Sat 28/307:00USM - PER

2 stops20h 15mMultiple Airlines

Deal found 26/10$696

Sat 7/305:35PER - USM

1 stop12h 35mScoot

Sat 21/308:55USM - PER

1 stop18h 20mScoot

Deal found 27/10$588

Wed 26/1116:55MEL - USM

1 stop29h 20mQantas Airways

Tue 2/1208:15USM - MEL

1 stop22h 00mQantas Airways

Deal found 27/10$1,192

Thu 23/422:15BNE - USM

2 stops19h 30mEVA Air

Tue 5/519:30USM - BNE

2 stops45h 30mEVA Air

Deal found 27/10$1,361

Tue 2/1220:25PER - USM

2 stops21h 45mMultiple Airlines

Wed 17/1208:55USM - PER

1 stop18h 20mMultiple Airlines

Deal found 27/10$729

Thu 27/1105:35PER - USM

1 stop27h 25mScoot

Thu 19/308:55USM - PER

1 stop18h 20mScoot

Deal found 27/10$668

Tue 2/1205:35PER - USM

1 stop27h 25mScoot

Tue 16/1208:55USM - PER

1 stop18h 20mScoot

Deal found 28/10$693

Wed 10/1219:00PER - USM

2 stops23h 10mMultiple Airlines

Wed 17/1208:55USM - PER

1 stop18h 20mMultiple Airlines

Deal found 26/10$763

Mon 16/311:35CNS - USM

2 stops35h 00mCathay Pacific

Wed 18/311:40USM - CNS

2 stops50h 10mCathay Pacific

Deal found 26/10$1,737

Fri 5/1205:35PER - USM

1 stop14h 15mScoot

Sun 14/1208:55USM - PER

1 stop18h 20mScoot

Deal found 27/10$708

Thu 27/1120:40PER - USM

3 stops21h 50mMultiple Airlines

Thu 4/1215:50USM - PER

2 stops11h 40mMultiple Airlines

Deal found 28/10$840

Sat 1/1120:05SYD - USM

1 stop15h 55mScoot

Sat 8/1112:00USM - SYD

1 stop26h 50mScoot

Deal found 27/10$758

Wed 26/1121:50SYD - USM

2 stops24h 35mMultiple Airlines

Fri 5/1208:15USM - SYD

2 stops21h 00mMultiple Airlines

Deal found 27/10$845

Thu 23/411:05BNE - USM

1 stop13h 05mQantas Airways

Tue 5/508:20USM - BNE

1 stop18h 45mQantas Airways

Deal found 27/10$1,200

Fri 12/1218:35CNS - USM

1 stop25h 35mSingapore Airlines

Fri 19/1219:45USM - CNS

1 stop42h 35mSingapore Airlines

Deal found 28/10$2,512

Sun 2/1120:05SYD - USM

1 stop18h 55mMultiple Airlines

Sun 9/1107:00USM - SYD

2 stops21h 05mMultiple Airlines

Deal found 28/10$885

Wed 10/1205:35PER - USM

1 stop30h 25mScoot

Wed 17/1208:55USM - PER

1 stop18h 20mScoot

Deal found 25/10$847

Thu 13/1108:05ADL - USM

2 stops27h 25mMultiple Airlines

Wed 19/1108:55USM - ADL

2 stops19h 00mMultiple Airlines

Deal found 27/10$907

Wed 26/1120:05SYD - USM

1 stop25h 05mScoot

Wed 3/1219:45USM - SYD

1 stop19h 05mScoot

Deal found 27/10$865

Tue 25/1121:50SYD - USM

2 stops24h 35mMultiple Airlines

Wed 3/1208:15USM - SYD

2 stops30h 35mMultiple Airlines

Deal found 27/10$917

Fri 27/222:05MEL - USM

1 stop13h 55mScoot

Wed 4/308:55USM - MEL

1 stop32h 25mScoot

Deal found 27/10$900

Sat 1/1120:05SYD - USM

1 stop15h 55mMultiple Airlines

Sat 8/1112:50USM - SYD

2 stops16h 25mMultiple Airlines

Deal found 27/10$929

Sat 31/122:35MEL - USM

1 stop13h 25mScoot

Sat 14/208:55USM - MEL

1 stop23h 00mScoot

Deal found 27/10$904

Wed 26/1121:50SYD - USM

2 stops24h 35mMultiple Airlines

Wed 3/1208:15USM - SYD

2 stops30h 35mMultiple Airlines

Deal found 27/10$930

Thu 27/1114:20SYD - USM

1 stop30h 50mScoot

Fri 5/1219:45USM - SYD

1 stop19h 05mScoot

Deal found 27/10$953

Tue 2/1207:45MEL - USM

2 stops28h 15mMultiple Airlines

Wed 10/1208:55USM - MEL

1 stop32h 25mMultiple Airlines

Deal found 28/10$955

Mon 29/1211:35CNS - USM

2 stops35h 00mCathay Pacific

Mon 12/111:40USM - CNS

1 stop19h 15mCathay Pacific

Deal found 28/10$2,354

Mon 17/1108:05ADL - USM

2 stops30h 25mMultiple Airlines

Thu 20/1119:45USM - ADL

3 stops32h 10mMultiple Airlines

Deal found 27/10$982

Wed 21/122:05MEL - USM

1 stop24h 45mScoot

Wed 11/208:55USM - MEL

1 stop32h 25mScoot

Deal found 28/10$1,041

Last-minute flights from Australia to Ko Samui
Discover last-minute flight deals from Australia to Ko Samui. Data last updated 29 October 2025 and is based on user searches.

Sat 1/1120:05SYD - USM

1 stop15h 55mScoot

Sat 8/1112:00USM - SYD

1 stop26h 50mScoot

Deal found 27/10$758

Sun 2/1120:05SYD - USM

1 stop26h 45mScoot

Sun 9/1108:55USM - SYD

1 stop29h 55mScoot

Deal found 28/10$710

Sun 2/1120:05SYD - USM

1 stop18h 55mMultiple Airlines

Sun 9/1107:00USM - SYD

2 stops21h 05mMultiple Airlines

Deal found 28/10$885

Fri 7/1105:35PER - USM

1 stop12h 35mScoot

Fri 14/1112:00USM - PER

1 stop15h 15mScoot

Deal found 27/10$597

Fri 7/1105:35PER - USM

1 stop12h 35mMultiple Airlines

Fri 14/1108:15USM - PER

2 stops19h 15mMultiple Airlines

Deal found 27/10$658

Thu 13/1108:05ADL - USM

2 stops27h 25mMultiple Airlines

Wed 19/1108:55USM - ADL

2 stops19h 00mMultiple Airlines

Deal found 27/10$907

Wed 19/1106:45MEL - USM

2 stops29h 15mMultiple Airlines

Sat 22/1119:45USM - MEL

2 stops29h 55mMultiple Airlines

Deal found 28/10$907

Tue 25/1114:20SYD - USM

1 stop32h 30mScoot

Wed 3/1219:45USM - SYD

1 stop19h 05mScoot

Deal found 27/10$888

Tue 25/1121:50SYD - USM

2 stops24h 35mMultiple Airlines

Wed 3/1208:55USM - SYD

1 stop29h 55mMultiple Airlines

Deal found 27/10$898

Wed 26/1121:50SYD - USM

2 stops24h 35mMultiple Airlines

Fri 5/1208:15USM - SYD

2 stops21h 00mMultiple Airlines

Deal found 27/10$845

Wed 26/1120:05SYD - USM

1 stop25h 05mScoot

Wed 3/1219:45USM - SYD

1 stop19h 05mScoot

Deal found 27/10$865

Wed 26/1120:05SYD - USM

1 stop26h 45mScoot

Fri 5/1218:05USM - SYD

1 stop20h 45mScoot

Deal found 27/10$868

One-way flights from Australia to Ko Samui
Search for one-way flight options from Australia to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 29 October 2025.

Fri 21/1105:35PER - USM

1 stop27h 25mScoot

Deal found 28/10$271

Wed 19/1105:35PER - USM

1 stop14h 15mScoot

Deal found 27/10$349

Tue 10/320:05SYD - USM

1 stop25h 05mScoot

Deal found 26/10$352

Fri 24/412:50SYD - USM

1 stop32h 40mScoot

Deal found 26/10$356

Wed 19/1105:15PER - USM

2 stops13h 15mMultiple Airlines

Deal found 27/10$370

Thu 15/120:25PER - USM

2 stops21h 45mMultiple Airlines

Deal found 28/10$385

Sat 15/1120:05SYD - USM

1 stop18h 55mScoot

Deal found 28/10$402

Fri 24/412:50SYD - USM

2 stops31h 05mMultiple Airlines

Deal found 26/10$413

Thu 15/117:45PER - USM

1 stop24h 25mScoot

Deal found 28/10$416

Mon 16/306:15MEL - USM

2 stops18h 35mMultiple Airlines

Deal found 27/10$416

Wed 15/413:00MEL - USM

1 stop32h 30mScoot

Deal found 28/10$417

Fri 21/1120:25PER - USM

2 stops23h 25mMultiple Airlines

Deal found 28/10$428

Fly from

Fly to

Route

Depart

Return

Price

PerthKo Samui

PER - USM

PERUSM

Perth

Thu 5/3

05:35-18:50

1 stop14h 15m

Ko Samui

Sat 21/3

08:55-16:30

1 stop30h 35m

$588

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

$588

PerthKo Samui

PER - USM

PERUSM

Perth

Thu 27/11

05:35-08:00

1 stop27h 25m

Ko Samui

Thu 19/3

08:55-04:15

1 stop18h 20m

$668

PerthKo Samui

PER - USM

PERUSM

Perth

Tue 2/12

05:35-08:00

1 stop27h 25m

Ko Samui

Tue 16/12

08:55-04:15

1 stop18h 20m

$693

PerthKo Samui

PER - USM

PERUSM

Perth

Thu 12/3

05:35-07:10

2 stops26h 35m

Ko Samui

Sat 28/3

07:00-04:15

2 stops20h 15m

$696

PerthKo Samui

PER - USM

PERUSM

Perth

Fri 5/12

05:35-18:50

1 stop14h 15m

Ko Samui

Sun 14/12

08:55-04:15

1 stop18h 20m

$708

PerthKo Samui

PER - USM

PERUSM

Perth

Tue 2/12

20:25-17:10

2 stops21h 45m

Ko Samui

Wed 17/12

08:55-04:15

1 stop18h 20m

$729

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Sat 1/11

20:05-08:00

1 stop15h 55m

Ko Samui

Sat 8/11

12:00-18:50

1 stop26h 50m

$758

PerthKo Samui

PER - USM

PERUSM

Perth

Wed 10/12

19:00-17:10

2 stops23h 10m

Ko Samui

Wed 17/12

08:55-04:15

1 stop18h 20m

$763

PerthKo Samui

PER - USM

PERUSM

Perth

Thu 27/11

20:40-17:30

3 stops21h 50m

Ko Samui

Thu 4/12

15:50-04:30

2 stops11h 40m

$840

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Showing 1-10 of 60 results

...

Best time to book a flight from Australia to Ko Samui

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

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 Australia to Ko Samui

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

Currently, October is the cheapest month in which you can book a flight from Australia to Ko Samui (average of $463). Flying from Australia to Ko Samui in January is currently the most expensive (average of $834). 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.

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

One of the essential ways to save on airfare from Australia to Ko Samui is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at midday could potentially save you up to 26% on airfare.

What is the cheapest day to fly from Australia to Ko Samui?

Travellers seeking maximum savings on their Australia to Ko Samui flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Ko Samui

Get a feel of what it's like to fly with Singapore Airlines, Bangkok Airways, andThai Airways from Australia to Ko Samui by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.1

Very Good

1,388 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Singapore Airlines

8.1

Very Good

1,388 reviews

Singapore Airlines

8.1

Very Good

1,388 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Bangkok Airways

8.0

Very Good

115 reviews

Singapore Airlines

8.1

Very Good

1,388 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Thai Airways

7.8

Good

361 reviews

Singapore Airlines

8.1

Very Good

1,388 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Qantas Airways

7.5

Good

924 reviews

Singapore Airlines

8.1

Very Good

1,388 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Scoot

6.7

Okay

309 reviews

Singapore Airlines

8.1

Very Good

1,388 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Related info for your journey

What airport do you fly into for flights to Ko Samui from Australia?
If you book a flight to Ko Samui from Australia, you will be flying to Ko Samui, which is the city’s only airport. Ko Samui (USM) is located 3.3 km from the centre of Ko Samui.
How long is the flight from Australia to Ko Samui?
For as low as $588, Scoot can have you in Ko Samui from Australia in 14h 15m. There are 4910 km between Australia and Ko Samui.
What are the most popular routes from Australia to Ko Samui?
While some choose either Sydney Kingsford Smith - Ko Samui or Perth - Ko Samui, Melbourne - Ko Samui is the most popular route from Australia to Ko Samui.
Can I find deals for flights from Australia to Ko Samui that include hotel bookings?
Yes. In addition to deals on Australia to Ko Samui flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Australia to Ko Samui?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Ko Samui.
Can I find deals for business class flights from Australia to Ko Samui?
Yes. Cheapflights offers flight deals from Australia 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 Australia to Ko Samui?
Currently, October is the cheapest month in which you can book a flight from Australia to Ko Samui (average of $463). Flying from Australia to Ko Samui in January is currently the most expensive (average of $834). 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

Fly from Australia to Ko Samui on these airlines

Singapore Airlines flights from Australia to Ko Samui

Thai Airways flights from Australia to Ko Samui

Alternative routes for Australia to Ko Samui

Melbourne to Suvarnabhumi flights

Sydney to Suvarnabhumi flights

Perth to Suvarnabhumi flights

Brisbane to Suvarnabhumi flights

Sydney to Don Mueang Intl flights

Melbourne to Don Mueang Intl flights

Sydney to Phuket City flights

Melbourne to Phuket City flights

Perth to Don Mueang Intl flights

Avalon to Suvarnabhumi flights

Brisbane to Don Mueang Intl flights

Brisbane to Phuket City flights

Perth to Phuket City flights

Avalon to Phuket City flights

Adelaide to Suvarnabhumi flights

Perth to Chiang Mai flights

Melbourne to Ko Samui flights

Sydney to Chiang Mai flights

Sydney to Ko Samui flights

Melbourne to Chiang Mai flights

Darwin to Suvarnabhumi flights

Adelaide to Don Mueang Intl flights

Adelaide to Phuket City flights

Perth to Ko Samui flights

Coolangatta to Suvarnabhumi flights

Canberra to Suvarnabhumi flights

Cairns to Suvarnabhumi flights

Melbourne to Krabi flights

Townsville to Suvarnabhumi flights

Brisbane to Ko Samui flights

Brisbane to Chiang Mai flights

Sydney to Krabi flights

Adelaide to Krabi flights

Coolangatta to Phuket City flights

Perth to Krabi flights

Cairns to Phuket City flights

Adelaide to Ko Samui flights

Maroochydore to Suvarnabhumi flights

Launceston to Suvarnabhumi flights

Canberra to Phuket City flights

Newcastle to Suvarnabhumi flights

Hobart to Suvarnabhumi flights

Darwin to Phuket City flights

Brisbane to Krabi flights

Cairns to Don Mueang Intl flights

Adelaide to Chiang Mai flights

Top 5 airlines flying from Australia to Ko Samui

Airline	Cheapest	Average	Flexibility	On-time
Scoot	Cheapest$493	Average$849	FlexibilityNo cancel fee	On-timeN/A	Search Scoot flights
Singapore Airlines	Cheapest$820	Average$1,322	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Qantas Airways	Cheapest$932	Average$1,640	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights
Bangkok Airways	Cheapest$1,157	Average$1,399	FlexibilityNo cancel fee	On-time74%	Search Bangkok Airways flights
Thai Airways	Cheapest$1,213	Average$1,408	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Australia to Ko Samui via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Australia 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 Australia.

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

Need flexible booking options for your flight to Ko Samui from Australia? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Australia to Ko Samui from $271

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 21/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Australia to Ko Samui

Keep the following information in mind while searching for Australia to Ko Samui flight deals. Data was last updated 29 October 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Australia to Ko Samui

Cheapest flights from Australia to Ko SamuiExplore the most affordable flight options available from Australia to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.

Explore the most affordable flight options available from Australia to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Australia to Ko Samui

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

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

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

Find hourly flight availability from Australia to Ko Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 October 2025.

What is the cheapest day to fly from Australia to Ko Samui?

Use this chart to determine the cheapest time to fly return from Australia to Ko Samui. Price data was last updated on 16 December 2024.

Reviews of airlines servicing Ko Samui

Get a feel of what it's like to fly with Singapore Airlines, Bangkok Airways, andThai Airways from Australia to Ko Samui by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Australia to Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Ko Samui from Australia?

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Fly from Australia to Ko Samui on these airlines

Choose from the following airlines for your flight from Australia to Ko Samui. Flights are based on user searches made on Cheapflights and were last updated on 29 October 2025.

Top 5 airlines flying from Australia to Ko Samui

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Cheapest flights from Australia to Ko Samui
Explore the most affordable flight options available from Australia to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.