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Cheap flights from Australia to Ko Samui from $262

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 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — USM
5 May — 12 May1
1 adult

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 30 April 2025.

Round-trip from

$620

One-way from

$262

Popular in

December

Cheapest in

August

Average price

$1,358
11/6-19/6
  • 11/6-19/6
  • 3 total stops
  • 42h 25m total
  • Australia to Ko Samui
Search Deals
Scoot
  • Scoot
  • 27/5
  • 1 total stop
  • 25h 05m total
  • Australia to Ko Samui
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($362 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($76 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 30 April 2025.

Wed 11/621:55PER - USM
1 stop21h 35mMultiple Airlines
Thu 19/608:00USM - PER
2 stops20h 50mMultiple Airlines
Deal found 29/4$620
Sat 31/521:55PER - USM
1 stop10h 55mScoot
Fri 6/608:45USM - PER
1 stop10h 55mScoot
Deal found 29/4$682
Fri 13/621:30MEL - USM
1 stop24h 00mMultiple Airlines
Fri 20/606:55USM - MEL
2 stops34h 25mMultiple Airlines
Deal found 29/4$734
Sun 1/612:50SYD - USM
1 stop32h 40mScoot
Sun 8/608:45USM - SYD
1 stop23h 50mScoot
Deal found 29/4$739
Fri 13/612:50SYD - USM
1 stop32h 40mMultiple Airlines
Fri 20/606:55USM - SYD
2 stops34h 05mMultiple Airlines
Deal found 28/4$751
Wed 7/513:00MEL - USM
1 stop21h 50mScoot
Sun 29/617:40USM - MEL
1 stop23h 35mScoot
Deal found 30/4$809
Fri 23/506:25PER - USM
1 stop13h 05mSingapore Airlines
Fri 27/617:40USM - PER
1 stop10h 30mSingapore Airlines
Deal found 30/4$843
Tue 17/615:15BNE - USM
2 stops30h 15mMultiple Airlines
Tue 24/619:25USM - BNE
2 stops20h 35mMultiple Airlines
Deal found 29/4$892
Thu 6/1118:10BNE - USM
1 stop25h 05mSingapore Airlines
Fri 14/1111:45USM - BNE
1 stop20h 00mSingapore Airlines
Deal found 29/4$1,026
Sat 18/1000:35MEL - USM
1 stop11h 15mSingapore Airlines
Sat 1/1108:55USM - MEL
1 stop19h 20mSingapore Airlines
Deal found 28/4$1,035
Fri 5/912:15ADL - USM
2 stops22h 05mMultiple Airlines
Fri 12/917:50USM - ADL
2 stops25h 40mMultiple Airlines
Deal found 28/4$1,115
Wed 21/502:10PER - USM
2 stops15h 40mMalaysia Airlines
Thu 26/608:00USM - PER
2 stops16h 10mMalaysia Airlines
Deal found 30/4$1,124

Cheapflights Fare Finder

Customise your flight search to find flights from Australia to Ko Samui that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 30 April 2025.
Use the filters below to find and compare flights from Australia to Ko Samui that are best for you.

Fly from

Australia

Fly to

Ko Samui

Route

Depart

Return

Price

PerthKo Samui

PER - USM

PERUSM

Perth

Wed 11/6

21:55-18:30

1 stop21h 35m

Ko Samui

Thu 19/6

08:00-05:50

2 stops20h 50m

$620

PerthKo Samui

PER - USM

PERUSM

Perth

Sat 31/5

21:55-07:50

1 stop10h 55m

Ko Samui

Fri 6/6

08:45-20:40

1 stop10h 55m

$682

MelbourneKo Samui

MEL - USM

MELUSM

Melbourne

Fri 13/6

21:30-18:30

1 stop24h 00m

Ko Samui

Fri 20/6

06:55-20:20

2 stops34h 25m

$734

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Sun 1/6

12:50-18:30

1 stop32h 40m

Ko Samui

Sun 8/6

08:45-11:35

1 stop23h 50m

$739

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Fri 13/6

12:50-18:30

1 stop32h 40m

Ko Samui

Fri 20/6

06:55-20:00

2 stops34h 05m

$751

PerthKo Samui

PER - USM

PERUSM

Perth

Fri 23/5

17:10-07:50

1 stop15h 40m

Ko Samui

Fri 27/6

08:45-23:55

1 stop14h 10m

$843

BrisbaneKo Samui

BNE - USM

BNEUSM

Brisbane

Tue 17/6

15:15-18:30

2 stops30h 15m

Ko Samui

Tue 24/6

19:25-19:00

2 stops20h 35m

$892

MelbourneKo Samui

MEL - USM

MELUSM

Melbourne

Sat 18/10

00:35-07:50

1 stop11h 15m

Ko Samui

Sat 1/11

08:55-08:15

1 stop19h 20m

$1,035

MelbourneKo Samui

MEL - USM

MELUSM

Melbourne

Tue 7/10

22:30-07:50

1 stop13h 20m

Ko Samui

Fri 17/10

08:45-21:15

1 stop32h 30m

$1,077

BrisbaneKo Samui

BNE - USM

BNEUSM

Brisbane

Wed 3/9

18:10-07:50

1 stop16h 40m

Ko Samui

Wed 24/9

17:50-10:20

1 stop13h 30m

$1,110

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 50 results
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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?

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 30 April 2025.

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

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

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

Get insights into the airlines that provide service to Ko Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ko Samui. Reviews last updated 30 April 2025.
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
1,186 reviews
Check prices

Comfort

8.3

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
EVA Air
8.4
Very Good
1,186 reviews
EVA Air
8.4
Very Good
1,186 reviews
Check prices

Comfort

8.3

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
China Airlines
8.3
Very Good
732 reviews
EVA Air
8.4
Very Good
1,186 reviews
Check prices

Comfort

8.3

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Singapore Airlines
8.1
Very Good
1,292 reviews
EVA Air
8.4
Very Good
1,186 reviews
Check prices

Comfort

8.3

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Bangkok Airways
7.9
Good
109 reviews
EVA Air
8.4
Very Good
1,186 reviews
Check prices

Comfort

8.3

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Thai Airways
7.7
Good
325 reviews
EVA Air
8.4
Very Good
1,186 reviews
Check prices

Comfort

8.3

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

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?

    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 $262. Singapore Airlines flights start at $584 while deals on Malaysia Airlines start at $687 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

Travelling to a place near Australia?

Book flights to Australia if you plan to visit one of these locations
Ko Tao
Ko Pha Ngan

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.
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Top 5 airlines flying from Australia to Ko Samui

Discover the top 5 airlines that operate flights from Australia to Ko Samui. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$537Average$859FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Singapore AirlinesCheapest$839Average$1,309FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Bangkok AirwaysCheapest$1,138Average$1,305FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights
Thai AirwaysCheapest$1,147Average$1,436FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Qantas AirwaysCheapest$1,228Average$2,164FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

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

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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.

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