What are the cheapest airlines to fly from Australia to Ko Samui one-way?

To fly one-way, consider booking your trip with Scoot, which is currently one of the cheapest options available, starting at $270. Singapore Airlines flights start at $995 while deals on British Airways start at $1,038 one-way. Find deals

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 Bangkok Airways, Qantas Airways and Singapore Airlines. Something to consider prior to booking your flight.

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

Users have found that booking a flight from Australia to Ko Samui at least 26 days early can save you up to 29% on average compared to booking a flight this week. If booking 26 days before your flight isn’t an option for you, users have found flights from Australia to Ko Samui for as little as $837 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,075 for flights departing within the next 3 days.

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

Flights from Australia to Ko Samui lean towards being more expensive in December. Prices are generally better when you fly from Australia to Ko Samui in August, with the cheapest ticket starting at $639.

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.

$1,150+ Flights from Australia to Ko Samui

Cheap flight deals from Australia to Ko Samui

Round-trip from	$620
One-way from	$270
Popular in	December
Cheapest in	August
Average price	$1,108

Scoot
5/8-16/8
2 total stops
49h 20m total
Australia to Ko Samui

Search Deals

Scoot
15/8
1 total stop
19h 50m total
Australia to Ko Samui

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($326 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($66 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Find flight deals from Australia to Ko Samui

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 13 June 2025.

Tue 5/818:25PER - USM

1 stop25h 05mScoot

Sat 16/819:25USM - PER

1 stop24h 15mScoot

Deal found 11/6$620

Tue 19/818:25PER - USM

1 stop25h 05mMultiple Airlines

Sat 30/819:25USM - PER

2 stops32h 05mMultiple Airlines

Deal found 10/6$640

Tue 2/921:30MEL - USM

1 stop22h 15mScoot

Tue 23/919:25USM - MEL

1 stop13h 20mScoot

Deal found 10/6$740

Tue 2/921:30MEL - USM

2 stops22h 25mMultiple Airlines

Tue 23/912:10USM - MEL

2 stops20h 35mMultiple Airlines

Deal found 10/6$769

Wed 27/820:45SYD - USM

1 stop14h 05mMultiple Airlines

Sat 6/908:00USM - SYD

2 stops20h 50mMultiple Airlines

Deal found 12/6$783

Fri 29/812:50SYD - USM

1 stop22h 00mScoot

Sat 30/819:25USM - SYD

1 stop13h 10mScoot

Deal found 12/6$817

Wed 13/814:55AVV - USM

2 stops19h 55mMultiple Airlines

Wed 27/819:25USM - AVV

2 stops24h 25mMultiple Airlines

Deal found 12/6$860

Mon 4/801:10PER - USM

1 stop16h 35mSingapore Airlines

Fri 15/817:40USM - PER

1 stop17h 50mSingapore Airlines

Deal found 11/6$999

Sun 27/708:15BNE - USM

2 stops26h 35mMultiple Airlines

Sun 3/817:40USM - BNE

2 stops23h 15mMultiple Airlines

Deal found 12/6$1,050

Sat 26/712:00ADL - USM

2 stops31h 15mMultiple Airlines

Sat 2/819:25USM - ADL

2 stops24h 05mMultiple Airlines

Deal found 11/6$1,065

Fri 14/1118:10BNE - USM

1 stop16h 50mSingapore Airlines

Wed 19/1119:25USM - BNE

1 stop12h 20mSingapore Airlines

Deal found 11/6$1,225

Thu 18/1209:25PER - USM

1 stop23h 20mThai Airways

Sun 28/1219:10USM - PER

1 stop19h 10mThai Airways

Deal found 9/6$1,329

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 13 June 2025.

Tue 5/818:25PER - USM

1 stop25h 05mScoot

Sat 16/819:25USM - PER

1 stop24h 15mScoot

Deal found 11/6$620

Tue 19/818:25PER - USM

1 stop25h 05mMultiple Airlines

Sat 30/819:25USM - PER

2 stops32h 05mMultiple Airlines

Deal found 10/6$640

Mon 4/801:10PER - USM

1 stop16h 35mSingapore Airlines

Fri 15/817:40USM - PER

1 stop17h 50mSingapore Airlines

Deal found 11/6$999

Sun 7/921:50MEL - USM

2 stops26h 00mChina Airlines

Mon 15/914:00USM - MEL

2 stops17h 40mChina Airlines

Deal found 11/6$1,395

Wed 23/713:00MEL - USM

1 stop32h 30mScoot

Wed 30/708:45USM - MEL

1 stop24h 00mScoot

Deal found 11/6$743

Sun 7/921:30MEL - USM

1 stop24h 00mMultiple Airlines

Sun 14/912:30USM - MEL

2 stops28h 45mMultiple Airlines

Deal found 13/6$768

Thu 4/909:10SYD - USM

3 stops25h 10mCathay Pacific

Mon 15/910:55USM - SYD

2 stops20h 30mCathay Pacific

Deal found 12/6$1,572

Wed 27/820:45SYD - USM

1 stop14h 05mMultiple Airlines

Sat 6/908:00USM - SYD

2 stops20h 50mMultiple Airlines

Deal found 12/6$783

Mon 21/700:25PER - USM

2 stops21h 45mVietnam Airlines

Sat 2/808:20USM - PER

2 stops13h 10mVietnam Airlines

Deal found 10/6$1,764

Fri 20/611:25BNE - USM

2 stops33h 50mBritish Airways

Sun 29/613:30USM - BNE

2 stops17h 05mBritish Airways

Deal found 12/6$1,965

Sat 2/820:45SYD - USM

1 stop23h 00mScoot

Thu 21/819:25USM - SYD

1 stop13h 10mScoot

Deal found 12/6$895

Sun 3/809:50SYD - USM

1 stop13h 40mBangkok Airways

Tue 19/811:25USM - SYD

2 stops16h 00mBangkok Airways

Deal found 12/6$2,048

Last-minute flights from Australia to Ko Samui
Discover last-minute flight deals from Australia to Ko Samui. Data last updated 13 June 2025 and is based on user searches.

Tue 17/600:30MEL - USM

2 stops34h 05mMultiple Airlines

Wed 2/719:00USM - MEL

2 stops31h 30mMultiple Airlines

Deal found 10/6$1,064

Tue 17/608:15BNE - USM

2 stops37h 15mMultiple Airlines

Tue 24/617:40USM - BNE

2 stops23h 15mMultiple Airlines

Deal found 11/6$1,290

Tue 17/614:45BNE - USM

1 stop20h 05mSingapore Airlines

Tue 24/619:25USM - BNE

1 stop18h 20mSingapore Airlines

Deal found 11/6$1,980

Wed 18/621:55PER - USM

1 stop14h 15mScoot

Fri 27/617:40USM - PER

1 stop26h 00mScoot

Deal found 12/6$978

Wed 18/605:10PER - USM

2 stops13h 50mMultiple Airlines

Fri 27/608:45USM - PER

1 stop10h 55mMultiple Airlines

Deal found 12/6$1,059

Wed 18/610:15SYD - USM

2 stops33h 40mMultiple Airlines

Thu 19/619:25USM - SYD

1 stop13h 10mMultiple Airlines

Deal found 11/6$1,098

Wed 18/612:50SYD - USM

1 stop22h 00mScoot

Thu 19/619:25USM - SYD

1 stop13h 10mScoot

Deal found 11/6$1,104

Wed 18/613:00MEL - USM

1 stop25h 10mScoot

Wed 2/708:45USM - MEL

1 stop24h 00mScoot

Deal found 10/6$1,415

Wed 18/623:10PER - USM

Nonstop7h 15mDelta

Thu 26/600:00USM - PER

Nonstop5h 05mDelta

Deal found 12/6$6,713

Fri 20/611:25BNE - USM

2 stops33h 50mBritish Airways

Sun 29/613:30USM - BNE

2 stops17h 05mBritish Airways

Deal found 12/6$1,965

Sat 21/606:00MEL - USM

2 stops39h 35mCathay Pacific

Sun 29/610:55USM - MEL

1 stop16h 00mCathay Pacific

Deal found 11/6$1,871

Wed 16/718:10BNE - USM

1 stop27h 20mSingapore Airlines

Wed 23/712:05USM - BNE

1 stop15h 50mSingapore Airlines

Deal found 12/6$1,578

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 13 June 2025.

Fri 15/821:55PER - USM

1 stop19h 50mScoot

Deal found 10/6$270

Sat 26/713:10SYD - USM

1 stop30h 35mScoot

Deal found 11/6$336

Mon 11/821:30MEL - USM

1 stop24h 00mScoot

Deal found 9/6$338

Fri 15/821:55PER - USM

2 stops15h 00mMultiple Airlines

Deal found 10/6$388

Sat 26/720:45SYD - USM

2 stops23h 10mMultiple Airlines

Deal found 10/6$422

Wed 13/820:55AVV - USM

2 stops37h 55mMultiple Airlines

Deal found 12/6$442

Tue 15/705:15MEL - USM

2 stops18h 10mMultiple Airlines

Deal found 11/6$444

Fri 15/820:45BNE - USM

2 stops47h 00mMultiple Airlines

Deal found 10/6$487

Sat 5/701:10PER - USM

1 stop16h 35mSingapore Airlines

Deal found 10/6$995

Tue 8/711:25MEL - USM

2 stops36h 45mBritish Airways

Deal found 10/6$1,038

Mon 7/706:45MEL - USM

2 stops17h 05mBangkok Airways

Deal found 10/6$1,171

Fri 4/702:10PER - USM

2 stops20h 25mMalaysia Airlines

Deal found 10/6$1,205

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

PerthKo Samui

PER - USM

PERUSM

Perth

Tue 11/11

21:30-08:00

1 stop11h 30m

Ko Samui

Tue 9/12

08:55-20:15

1 stop10h 20m

$589

PerthKo Samui

PER - USM

PERUSM

Perth

Wed 10/9

21:55-16:35

2 stops19h 40m

Ko Samui

Mon 15/9

07:00-20:40

2 stops12h 40m

$640

MelbourneKo Samui

MEL - USM

MELUSM

Melbourne

Wed 23/7

13:00-18:30

1 stop32h 30m

Ko Samui

Wed 30/7

08:45-11:45

1 stop24h 00m

$743

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Fri 25/7

12:50-16:45

1 stop30h 55m

Ko Samui

Fri 1/8

19:25-11:35

1 stop13h 10m

$755

MelbourneKo Samui

MEL - USM

MELUSM

Melbourne

Mon 25/8

13:00-16:45

1 stop30h 45m

Ko Samui

Mon 1/9

12:30-20:15

2 stops28h 45m

$783

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Wed 27/8

20:45-07:50

1 stop14h 05m

Ko Samui

Sat 6/9

08:00-07:50

2 stops20h 50m

$783

MelbourneKo Samui

AVV - USM

AVVUSM

Melbourne Avalon

Wed 13/8

14:55-07:50

2 stops19h 55m

Ko Samui

Wed 27/8

19:25-22:50

2 stops24h 25m

$860

PerthKo Samui

PER - USM

PERUSM

Perth

Mon 4/8

01:10-16:45

1 stop16h 35m

Ko Samui

Fri 15/8

17:40-12:30

1 stop17h 50m

$999

BrisbaneKo Samui

BNE - USM

BNEUSM

Brisbane

Sun 27/7

08:15-07:50

2 stops26h 35m

Ko Samui

Sun 3/8

17:40-19:55

2 stops23h 15m

$1,050

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Sat 26/7

12:00-16:45

2 stops31h 15m

Ko Samui

Sat 2/8

19:25-22:00

2 stops24h 05m

$1,065

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Showing 1-10 of 37 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, August is the cheapest month in which you can book a flight from Australia to Ko Samui (average of $533). Flying from Australia to Ko Samui in December is currently the most expensive (average of $1,051). 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?

When flying from Australia 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.

Rainfall in Ko Samui by month

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.

Temperature in Ko Samui by month

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).

Reviews of airlines servicing Ko Samui

Read reviews from past customers who have flown EVA Air, China Airlines and Singapore Airlines from Australia to Ko Samui. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very Good

1,202 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

EVA Air

8.4

Very Good

1,202 reviews

EVA Air

8.4

Very Good

1,202 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

China Airlines

8.3

Very Good

738 reviews

EVA Air

8.4

Very Good

1,202 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Singapore Airlines

8.1

Very Good

1,304 reviews

EVA Air

8.4

Very Good

1,202 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Bangkok Airways

8.0

Very Good

111 reviews

EVA Air

8.4

Very Good

1,202 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Cathay Pacific

7.6

Good

892 reviews

EVA Air

8.4

Very Good

1,202 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.
What are the cheapest airlines to fly from Australia to Ko Samui one-way?
To fly one-way, consider booking your trip with Scoot, which is currently one of the cheapest options available, starting at $270. Singapore Airlines flights start at $995 while deals on British Airways start at $1,038 one-way.
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, August is the cheapest month in which you can book a flight from Australia to Ko Samui (average of $533). Flying from Australia to Ko Samui in December is currently the most expensive (average of $1,051). 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

Alternative routes for Australia to Ko Samui

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Melbourne to Ubon Ratchathani flights

Top 5 airlines flying from Australia to Ko Samui

Airline	Cheapest	Average	Flexibility	On-time
Scoot	Cheapest$511	Average$829	FlexibilityNo cancel fee	On-timeN/A	Search Scoot flights
Singapore Airlines	Cheapest$826	Average$1,298	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Qantas Airways	Cheapest$1,075	Average$2,077	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights
Bangkok Airways	Cheapest$1,119	Average$1,292	FlexibilityNo cancel fee	On-time74%	Search Bangkok Airways flights
Thai Airways	Cheapest$1,123	Average$1,406	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 $270

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 15/8. 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 13 June 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 13 June 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 13 June 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.

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?

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 13 June 2025.

Rainfall in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average rainfall totals by month.

Temperature in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average temperature totals by month.

Reviews of airlines servicing Ko Samui

Read reviews from past customers who have flown EVA Air, China Airlines and Singapore Airlines from Australia to Ko Samui. You can also see how each airline compares 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?

What are the cheapest airlines to fly from Australia to Ko Samui one-way?

What are the most popular routes from Australia to Ko Samui?

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

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

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

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

Travelling to a place near Australia?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Australia to Ko Samui

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

Top 5 airlines flying from Australia to Ko Samui

Fly with Cheapflights

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

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

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

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

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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 13 June 2025.