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Ko Samui

$197+ Cheap flights from Sydney (SYD) to Ko Samui (USM)

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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — USM
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap flight deals from Sydney to Ko Samui

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Ko Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$481
(Mytrip)

One-way from

$197
(Expedia)

Popular in

December

Cheapest in

August

Average price

$870
Provider with most accurate pricing for Sydney Kingsford Smith-Ko Samui flight deals.
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Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Ko Samui flights.
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From Sydney Kingsford Smith to Ko Samui
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One-way flight from Sydney Kingsford Smith to Ko Samui
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($148 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Sydney to Ko Samui

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 April 30, 2025.

This Mytrip deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1312:50 pmSYD - USM
1 stop32h 40mMultiple Airlines
Fri 6/206:55 amUSM - SYD
2 stops34h 05mMultiple Airlines
Deal found 4/28$481
This FlightHub deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2112:50 pmSYD - USM
1 stop32h 40mScoot
Sun 5/258:45 amUSM - SYD
1 stop31h 45mScoot
Deal found 4/29$657
This China Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1210:10 pmSYD - USM
2 stops19h 35mChina Airlines
Sun 6/2211:45 amUSM - SYD
2 stops20h 00mChina Airlines
Deal found 4/29$898
This British Airways deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/152:40 pmSYD - USM
1 stop33h 30mBritish Airways
Wed 6/181:30 pmUSM - SYD
1 stop12h 50mBritish Airways
Deal found 4/29$930
This Singapore Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/59:05 amSYD - USM
1 stop13h 25mSingapore Airlines
Mon 12/225:10 pmUSM - SYD
1 stop14h 40mSingapore Airlines
Deal found 4/29$954
This Cathay Pacific deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1210:10 amSYD - USM
2 stops24h 10mCathay Pacific
Wed 6/1810:55 amUSM - SYD
1 stop18h 45mCathay Pacific
Deal found 4/29$963
This Malaysia Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/141:05 pmSYD - USM
2 stops21h 15mMalaysia Airlines
Wed 6/188:00 amUSM - SYD
2 stops23h 00mMalaysia Airlines
Deal found 4/29$1,027
This Vietnam Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1310:15 amSYD - USM
2 stops59h 00mVietnam Airlines
Fri 6/201:30 pmUSM - SYD
2 stops15h 45mVietnam Airlines
Deal found 4/29$1,974
This Qantas Airways deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/268:20 amSYD - USM
2 stops15h 50mQantas Airways
Sun 7/61:30 pmUSM - SYD
1 stop12h 40mQantas Airways
Deal found 4/29$3,871

Cheapflights Fare Finder

Customize your flight search to find flights from Sydney 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 2,558,603 searches. Data last updated April 30, 2025.
Use the filters below to find and compare flights from Sydney to Ko Samui that are best for you.

Fly from

Sydney

Fly to

Ko Samui

Route

Depart

Return

Price

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Fri 6/13

12:50 pm-6:30 pm

1 stop32h 40m

Ko Samui

Fri 6/20

6:55 am-8:00 pm

2 stops34h 05m

$481

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Wed 5/21

12:50 pm-6:30 pm

1 stop32h 40m

Ko Samui

Sun 5/25

8:45 am-7:30 pm

1 stop31h 45m

$657

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Thu 6/12

10:10 pm-2:45 pm

2 stops19h 35m

Ko Samui

Sun 6/22

11:45 am-10:45 am

2 stops20h 00m

$898

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Sun 6/15

2:40 pm-9:10 pm

1 stop33h 30m

Ko Samui

Wed 6/18

1:30 pm-5:20 am

1 stop12h 50m

$930

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Thu 6/12

10:10 am-7:20 am

2 stops24h 10m

Ko Samui

Wed 6/18

10:55 am-8:40 am

1 stop18h 45m

$963

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Sat 6/14

1:05 pm-7:20 am

2 stops21h 15m

Ko Samui

Tue 6/17

3:30 pm-10:00 am

2 stops15h 30m

$1,027

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Tue 10/14

8:55 am-6:30 pm

1 stop13h 35m

Ko Samui

Wed 10/22

7:25 pm-11:25 am

1 stop12h 00m

$1,499

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Fri 6/13

10:15 am-6:15 pm

2 stops59h 00m

Ko Samui

Fri 6/20

1:30 pm-8:15 am

2 stops15h 45m

$1,974

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Thu 6/26

8:20 am-9:10 pm

2 stops15h 50m

Ko Samui

Sun 7/6

1:30 pm-5:10 am

1 stop12h 40m

$3,871

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Mon 9/15

12:50 pm-6:30 pm

1 stop32h 40m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 11 results
1
2

Compare providers for flights from Sydney to Ko Samui

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sydney to Ko Samui in April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sydney-Ko Samui flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Sydney-Ko Samui flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Sydney-Ko Samui flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sydney-Ko Samui flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sydney-Ko Samui flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.
Estimated round-trip 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

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

Use this chart to determine the optimal time to book a round-trip flight from Sydney to Ko Samui. Price data was last updated on April 25, 2025.

The price you pay for your flight from Sydney to Ko Samui may vary depending on when you book. For the best chance of a lower fare, look to book 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 2.3 - 19.3 inches per month. November is typically the wettest month, when rainfall can reach 19.3 in. February is typically the driest time to visit Ko Samui when rainfall is around 2.3 in.

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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

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 April 30, 2025.
China Airlines
8.3
Very good
732 reviews

Entertainment

8.0

Boarding

8.3

Food

7.8

Crew

8.5

Overall

8.3

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
China Airlines
8.3
Very good
732 reviews
China Airlines
8.3
Very good
732 reviews

Entertainment

8.0

Boarding

8.3

Food

7.8

Crew

8.5

Overall

8.3

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Singapore Airlines
8.1
Very good
1,292 reviews
China Airlines
8.3
Very good
732 reviews

Entertainment

8.0

Boarding

8.3

Food

7.8

Crew

8.5

Overall

8.3

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Vietnam Airlines
7.6
Good
196 reviews
China Airlines
8.3
Very good
732 reviews

Entertainment

8.0

Boarding

8.3

Food

7.8

Crew

8.5

Overall

8.3

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Cathay Pacific
7.5
Good
852 reviews
China Airlines
8.3
Very good
732 reviews

Entertainment

8.0

Boarding

8.3

Food

7.8

Crew

8.5

Overall

8.3

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Qantas Airways
7.5
Good
829 reviews
China Airlines
8.3
Very good
732 reviews

Entertainment

8.0

Boarding

8.3

Food

7.8

Crew

8.5

Overall

8.3

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

Related info for your journey

Find useful and relevant information for your journey from Sydney 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 are the cheapest airlines flying from Sydney to Ko Samui round-trip?

    Our cheapest airline available from Sydney to Ko Samui is Scoot. Our recent data shows that you can find tickets from as low as $657 on this airline. Additional options worth looking into are China Airlines and British Airways, starting at $898 and $930 round-trip. Scoot is currently priced 15% below the average price you’ll pay for this route.

  • 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 vacation 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.

See more FAQs

Traveling to a place near Sydney?

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

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Alternative routes for Sydney to Ko Samui

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Sydney to Suvarnabhumi flights
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Top airline flying from Sydney to Ko Samui

Discover the top airline that operate flights from Sydney 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 2,558,603 searches. Data last updated April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$414Average$683FlexibilityNo cancel feeOn-timeN/A

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