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

$276 is the cheapest one-way deal found within the past few days, from Scoot. You may also be able to find cheap deals on Singapore Airlines and Cathay Pacific, with prices starting from $586 and $1,601, respectively. Find deals

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

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

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

The most popular airlines flying from Australia to Koh 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 Koh Samui?

Users have found that booking a flight from Australia to Koh Samui at least 57 days early can save you up to 48% on average compared to booking a flight this week. If booking 57 days before your flight isn’t an option for you, users have found flights from Australia to Koh Samui for as little as $1,050 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 $1,097 for flights departing within the next 3 days.

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

Flights from Australia to Koh Samui lean towards being more expensive in December. Prices are generally better when you fly from Australia to Koh Samui in August, with the cheapest ticket starting at $662.

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

If you book a flight to Koh 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 Koh Samui.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Australia to Koh 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.

$1,102+ Flights from Australia to Koh Samui

Cheap flight deals from Australia to Koh Samui

Round-trip from	$709
One-way from	$276
Popular in	December
Cheapest in	August
Average price	$1,130

18/3-28/3
3 total stops
46h 25m total
Australia to Koh Samui

Search Deals

Scoot
20/5
1 total stop
25h 05m total
Australia to Koh Samui

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($413 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($92 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

Find flight deals from Australia to Koh Samui

Cheapest flights from Australia to Koh Samui
Explore the most affordable flight options available from Australia to Koh Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Sun 31/818:25PER - USM

1 stop25h 05mMultiple Airlines

Wed 10/907:00USM - PER

3 stops20h 30mMultiple Airlines

Deal found 20/2$699

Thu 3/721:35PER - USM

1 stop21h 55mScoot

Thu 31/708:45USM - PER

1 stop10h 50mScoot

Deal found 19/2$770

Sat 14/621:30MEL - USM

1 stop24h 00mMultiple Airlines

Sat 21/606:55USM - MEL

2 stops19h 35mMultiple Airlines

Deal found 20/2$793

Wed 19/301:10PER - USM

1 stop18h 20mSingapore Airlines

Thu 27/308:55USM - PER

1 stop26h 40mSingapore Airlines

Deal found 19/2$800

Sat 13/913:00MEL - USM

1 stop32h 30mScoot

Mon 22/908:45USM - MEL

1 stop32h 30mScoot

Deal found 20/2$842

Thu 12/620:45SYD - USM

2 stops23h 10mMultiple Airlines

Sun 22/608:45USM - SYD

1 stop23h 50mMultiple Airlines

Deal found 21/2$881

Sat 19/420:45SYD - USM

1 stop24h 45mScoot

Mon 28/408:45USM - SYD

1 stop31h 45mScoot

Deal found 20/2$974

Wed 21/502:10PER - USM

2 stops19h 20mMalaysia Airlines

Thu 26/610:05USM - PER

2 stops14h 05mMalaysia Airlines

Deal found 20/2$1,085

Sat 10/518:05SYD - USM

1 stop16h 45mSingapore Airlines

Mon 2/608:45USM - SYD

1 stop29h 00mSingapore Airlines

Deal found 21/2$1,099

Sun 31/823:35MEL - USM

1 stop11h 15mSingapore Airlines

Thu 11/912:05USM - MEL

1 stop19h 55mSingapore Airlines

Deal found 20/2$1,107

Tue 1/417:40BNE - USM

2 stops27h 50mMultiple Airlines

Sun 6/412:10USM - BNE

3 stops38h 20mMultiple Airlines

Deal found 19/2$1,115

Sun 30/1119:10ADL - USM

2 stops28h 50mMultiple Airlines

Sun 7/1207:00USM - ADL

2 stops26h 05mMultiple Airlines

Deal found 19/2$1,123

Best flights from Australia to Koh Samui
Discover carefully curated flight deals from Australia to Koh Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 February 2025.

Tue 18/318:30PER - USM

2 stops25h 00mMultiple Airlines

Fri 28/307:00USM - PER

1 stop21h 25mMultiple Airlines

Deal found 20/2$709

Thu 3/721:35PER - USM

1 stop21h 55mScoot

Thu 31/708:45USM - PER

1 stop10h 50mScoot

Deal found 19/2$770

Wed 19/301:10PER - USM

1 stop18h 20mSingapore Airlines

Thu 27/308:55USM - PER

1 stop26h 40mSingapore Airlines

Deal found 19/2$800

Wed 21/502:10PER - USM

2 stops19h 20mMalaysia Airlines

Thu 26/610:05USM - PER

2 stops14h 05mMalaysia Airlines

Deal found 20/2$1,085

Wed 26/323:20MEL - USM

2 stops25h 25mChina Airlines

Tue 1/408:45USM - MEL

2 stops22h 55mChina Airlines

Deal found 19/2$1,388

Mon 9/614:25MEL - USM

1 stop31h 10mCathay Pacific

Sun 15/607:00USM - MEL

2 stops19h 55mCathay Pacific

Deal found 20/2$1,416

Sat 22/309:30MEL - USM

2 stops39h 35mBritish Airways

Fri 16/513:30USM - MEL

2 stops17h 35mBritish Airways

Deal found 20/2$1,525

Sat 14/621:30MEL - USM

1 stop24h 00mMultiple Airlines

Sat 21/606:55USM - MEL

2 stops19h 35mMultiple Airlines

Deal found 20/2$793

Wed 26/321:25MEL - USM

1 stop25h 05mScoot

Tue 13/519:25USM - MEL

1 stop13h 20mScoot

Deal found 20/2$843

Thu 12/620:45SYD - USM

2 stops23h 10mMultiple Airlines

Sun 22/608:45USM - SYD

1 stop23h 50mMultiple Airlines

Deal found 21/2$881

Sat 19/420:45SYD - USM

1 stop24h 45mScoot

Mon 28/408:45USM - SYD

1 stop31h 45mScoot

Deal found 20/2$974

Sat 10/518:05SYD - USM

1 stop16h 45mSingapore Airlines

Mon 2/608:45USM - SYD

1 stop29h 00mSingapore Airlines

Deal found 21/2$1,099

Last-minute flights from Australia to Koh Samui
Discover last-minute flight deals from Australia to Koh Samui. Data last updated 21 February 2025 and is based on user searches.

Mon 3/312:10BNE - USM

1 stop34h 25mCathay Pacific

Mon 10/311:40USM - BNE

1 stop32h 00mCathay Pacific

Deal found 20/2$5,541

Tue 18/318:30PER - USM

2 stops25h 00mMultiple Airlines

Fri 28/307:00USM - PER

1 stop21h 25mMultiple Airlines

Deal found 20/2$709

Wed 19/301:10PER - USM

1 stop18h 20mSingapore Airlines

Thu 27/308:55USM - PER

1 stop26h 40mSingapore Airlines

Deal found 19/2$800

Wed 19/302:25PER - USM

2 stops19h 20mMalaysia Airlines

Thu 27/308:30USM - PER

2 stops15h 55mMalaysia Airlines

Deal found 19/2$1,604

Sat 22/321:50SYD - USM

1 stop24h 40mMultiple Airlines

Sat 29/319:00USM - SYD

2 stops37h 35mMultiple Airlines

Deal found 20/2$902

Sat 22/309:30MEL - USM

2 stops39h 35mBritish Airways

Fri 16/513:30USM - MEL

2 stops17h 35mBritish Airways

Deal found 20/2$1,525

Sun 23/306:00AVV - USM

2 stops40h 15mMultiple Airlines

Tue 13/513:30USM - AVV

2 stops17h 15mMultiple Airlines

Deal found 20/2$1,582

Tue 25/300:30MEL - USM

2 stops20h 30mMalaysia Airlines

Tue 1/408:45USM - MEL

2 stops20h 25mMalaysia Airlines

Deal found 19/2$1,478

Wed 26/321:25MEL - USM

1 stop25h 05mScoot

Tue 13/519:25USM - MEL

1 stop13h 20mScoot

Deal found 20/2$843

Wed 26/321:25MEL - USM

1 stop25h 05mMultiple Airlines

Fri 16/517:50USM - MEL

1 stop12h 30mMultiple Airlines

Deal found 20/2$858

Wed 26/314:05SYD - USM

1 stop32h 25mScoot

Sun 6/412:05USM - SYD

1 stop20h 30mScoot

Deal found 21/2$1,303

Wed 26/323:20MEL - USM

2 stops25h 25mChina Airlines

Tue 1/408:45USM - MEL

2 stops22h 55mChina Airlines

Deal found 19/2$1,388

One-way flights from Australia to Koh Samui
Search for one-way flight options from Australia to Koh Samui. Find affordable one-way fares based on user searches. Data last updated 21 February 2025.

Tue 20/518:25PER - USM

1 stop25h 05mScoot

Deal found 19/2$276

Tue 25/322:50MEL - USM

1 stop23h 40mScoot

Deal found 20/2$318

Tue 20/518:25PER - USM

2 stops23h 30mMultiple Airlines

Deal found 19/2$321

Fri 30/512:50SYD - USM

1 stop32h 40mScoot

Deal found 20/2$329

Thu 1/513:00MEL - USM

2 stops45h 20mMultiple Airlines

Deal found 20/2$397

Fri 30/512:20SYD - USM

2 stops33h 10mMultiple Airlines

Deal found 20/2$444

Mon 11/807:15CNS - USM

2 stops38h 15mMultiple Airlines

Deal found 20/2$564

Wed 30/406:00AVV - USM

2 stops28h 50mMultiple Airlines

Deal found 20/2$566

Mon 19/501:10PER - USM

1 stop11h 05mSingapore Airlines

Deal found 19/2$586

Mon 11/818:15CNS - USM

1 stop16h 35mSingapore Airlines

Deal found 20/2$853

Wed 9/414:45BNE - USM

1 stop30h 45mSingapore Airlines

Deal found 20/2$978

Wed 9/423:50BNE - USM

2 stops14h 50mMultiple Airlines

Deal found 20/2$1,312

Find flights from Australia to Koh Samui within your budget

Fly from

Fly to

Route

Depart

Return

Price

PerthKoh Samui

PER - USM

PERUSM

Perth

Tue 18/3

18:30-18:30

2 stops25h 00m

Ko Samui

Fri 28/3

07:00-05:25

1 stop21h 25m

$709

PerthKoh Samui

PER - USM

PERUSM

Perth

Thu 3/7

21:35-18:30

1 stop21h 55m

Ko Samui

Thu 31/7

08:45-20:35

1 stop10h 50m

$770

MelbourneKoh Samui

MEL - USM

MELUSM

Melbourne

Sat 14/6

21:30-18:30

1 stop24h 00m

Ko Samui

Sat 21/6

06:55-05:30

2 stops19h 35m

$793

PerthKoh Samui

PER - USM

PERUSM

Perth

Wed 19/3

01:10-18:30

1 stop18h 20m

Ko Samui

Thu 27/3

08:55-12:35

1 stop26h 40m

$800

MelbourneKoh Samui

MEL - USM

MELUSM

Melbourne

Wed 26/3

21:25-18:30

1 stop25h 05m

Ko Samui

Tue 13/5

19:25-11:45

1 stop13h 20m

$843

SydneyKoh Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Thu 12/6

20:45-16:55

2 stops23h 10m

Ko Samui

Sun 22/6

08:45-11:35

1 stop23h 50m

$881

SydneyKoh Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Sat 19/4

20:45-18:30

1 stop24h 45m

Ko Samui

Mon 28/4

08:45-19:30

1 stop31h 45m

$974

PerthKoh Samui

PER - USM

PERUSM

Perth

Wed 21/5

02:10-20:30

2 stops19h 20m

Ko Samui

Thu 26/6

10:05-01:10

2 stops14h 05m

$1,085

SydneyKoh Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Sat 10/5

18:05-07:50

1 stop16h 45m

Ko Samui

Mon 2/6

08:45-16:45

1 stop29h 00m

$1,099

BrisbaneKoh Samui

BNE - USM

BNEUSM

Brisbane

Tue 1/4

17:40-18:30

2 stops27h 50m

Ko Samui

Sun 6/4

12:10-05:30

3 stops38h 20m

$1,115

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 44 results

...

Best time to book a flight from Australia to Koh Samui

Have a flexible travel schedule? Discover the best time to fly to Koh 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.

Travel insights for flights from Australia to Koh Samui

Get recent, data-driven insights about flights from Australia to Koh Samui including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Australia to Koh Samui (average of $533). Flying from Australia to Koh 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 Koh 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 Koh Samui by month

In terms of precipitation, rainfall in Koh 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 Koh Samui when rainfall is around 58.0 mm.

Temperature in Koh Samui by month

If weather is an important factor for your trip to Koh 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 Koh Samui

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

China Airlines

8.2

Very Good

727 reviews

Check prices

Reviews

1 / 20

6.0

Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

China Airlines

8.2

Very Good

727 reviews

China Airlines

8.2

Very Good

727 reviews

Check prices

Reviews

1 / 20

6.0

Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

Singapore Airlines

8.1

Very Good

1,299 reviews

China Airlines

8.2

Very Good

727 reviews

Check prices

Reviews

1 / 20

6.0

Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

Cathay Pacific

7.5

Good

821 reviews

China Airlines

8.2

Very Good

727 reviews

Check prices

Reviews

1 / 20

6.0

Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

Qantas Airways

7.4

Good

814 reviews

China Airlines

8.2

Very Good

727 reviews

Check prices

Reviews

1 / 20

6.0

Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

Malaysia Airlines

7.4

Good

263 reviews

China Airlines

8.2

Very Good

727 reviews

Check prices

Reviews

1 / 20

6.0

Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

Related info for your journey

What airport do you fly into for flights to Koh Samui from Australia?
If you book a flight to Koh 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 Koh Samui.
What are the cheapest airlines to fly from Australia to Koh Samui one-way?
$276 is the cheapest one-way deal found within the past few days, from Scoot. You may also be able to find cheap deals on Singapore Airlines and Cathay Pacific, with prices starting from $586 and $1,601, respectively.
What are the most popular routes from Australia to Koh Samui?
While some choose either Sydney Kingsford Smith - Ko Samui or Melbourne Avalon - Ko Samui, Melbourne - Ko Samui is the most popular route from Australia to Koh Samui.
Can I find deals for flights from Australia to Koh Samui that include hotel bookings?
Yes. In addition to deals on Australia to Koh Samui flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Australia to Koh Samui?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Koh Samui.
Can I find deals for business class flights from Australia to Koh Samui?
Yes. Cheapflights offers flight deals from Australia to Koh 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 Koh Samui?
Currently, August is the cheapest month in which you can book a flight from Australia to Koh Samui (average of $533). Flying from Australia to Koh 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 Pha Ngan

Ko Tao

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Top 5 airlines flying from Australia to Koh Samui

Airline	Cheapest	Average	Flexibility	On-time
Scoot	Cheapest$521	Average$859	FlexibilityNo cancel fee	On-timeN/A	Search Scoot flights
Singapore Airlines	Cheapest$779	Average$1,300	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Thai Airways	Cheapest$1,098	Average$1,490	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights
Bangkok Airways	Cheapest$1,161	Average$1,306	FlexibilityNo cancel fee	On-time74%	Search Bangkok Airways flights
Qantas Airways	Cheapest$1,383	Average$2,288	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Australia to Koh 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 Koh 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 Koh Samui from Australia.

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

Need flexible booking options for your flight to Koh 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 Koh 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 Koh Samui from $276

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Australia to Koh Samui

Keep the following information in mind while searching for Australia to Koh Samui flight deals. Data was last updated 21 February 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Australia to Koh Samui

Cheapest flights from Australia to Koh SamuiExplore the most affordable flight options available from Australia to Koh Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Explore the most affordable flight options available from Australia to Koh Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Find flights from Australia to Koh Samui within your budget

Best time to book a flight from Australia to Koh Samui

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

Travel insights for flights from Australia to Koh Samui

Get recent, data-driven insights about flights from Australia to Koh Samui including ideal travel times, pricing trends, and more.

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

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

Find hourly flight availability from Australia to Koh Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 February 2025.

Rainfall in Koh Samui by month

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

Temperature in Koh Samui by month

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

Reviews of airlines servicing Koh Samui

Read reviews from past customers who have flown China Airlines, Singapore Airlines and Cathay Pacific from Australia to Koh 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 Koh 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 Koh Samui from Australia?

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

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

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

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

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

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

Travelling to a place near Australia?

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Alternative routes for Australia to Koh Samui

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

Top 5 airlines flying from Australia to Koh Samui

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Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

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Cheapest flights from Australia to Koh Samui
Explore the most affordable flight options available from Australia to Koh Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.