HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Sydney (SYD) to Koh Samui (USM) from $904

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/31. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SYD — USM
jun. 4 — jun. 111
From?
To?
mar. 6/4
mar. 6/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Cheap flight deals from Sydney to Koh Samui

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Koh 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 mayo 30, 2024.

Popular in

December

Cheapest in

February

Average price

$832

Round-trip from

$1,045
High demand for flights, 27% potential price rise
Search Deals
Best time to find cheap flights, 14% potential price drop
Search Deals
Average for round-trip flights in May 2024
Search Deals
From Sydney Kingsford Smith to Ko Samui
Search Deals

How far in advance should I book a flight from Sydney to Koh Samui?

To save on the cost of your flight from Sydney to Koh Samui, book at least 54 days before your planned departure. Booking around this time can save you about 59% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $847 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $986.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to Koh Samui. Flights to Koh Samui from Sydney in February are about $920 on average during February, but can be found for as low as $662.

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

When flying from Sydney 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.

Cheap Sydney to Koh Samui flights in May & June 2024

Find cheap flight options from Sydney to Koh Samui specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on mayo 30, 2024.
vie. 5/3110:00 amSYD - USM
1 stop13h 35mThai Airways
dom. 6/96:25 pmUSM - SYD
1 stop12h 55mThai Airways
Deal found 5/29$904
vie. 5/3110:00 amSYD - USM
1 stop13h 35mThai Airways
dom. 6/99:15 pmUSM - SYD
1 stop20h 15mThai Airways
Deal found 5/30$906
vie. 5/319:35 pmSYD - USM
2 stops24h 00mCathay Pacific
dom. 6/910:55 amUSM - SYD
1 stop18h 50mCathay Pacific
Deal found 5/29$1,008
vie. 5/319:35 pmSYD - USM
2 stops24h 00mCathay Pacific
dom. 6/910:55 amUSM - SYD
1 stop16h 20mCathay Pacific
Deal found 5/30$1,013
vie. 5/319:35 pmSYD - USM
2 stops24h 00mCathay Pacific
dom. 6/910:55 amUSM - SYD
2 stops20h 30mCathay Pacific
Deal found 5/29$1,048
vie. 5/319:35 pmSYD - USM
2 stops24h 00mCathay Pacific
dom. 6/910:55 amUSM - SYD
2 stops20h 30mCathay Pacific
Deal found 5/30$1,053

Sydney to Koh Samui 2024 flight deals

Discover exclusive flight deals for travel between Sydney and Koh Samui in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
vie. 5/3110:00 amSYD - USM
1 stop13h 35mThai Airways
dom. 6/96:25 pmUSM - SYD
1 stop12h 55mThai Airways
Deal found 5/29$904
vie. 5/3110:00 amSYD - USM
1 stop13h 35mThai Airways
dom. 6/99:15 pmUSM - SYD
1 stop20h 15mThai Airways
Deal found 5/30$906
vie. 5/319:35 pmSYD - USM
2 stops24h 00mCathay Pacific
dom. 6/910:55 amUSM - SYD
1 stop18h 50mCathay Pacific
Deal found 5/29$1,008
vie. 5/319:35 pmSYD - USM
2 stops24h 00mCathay Pacific
dom. 6/910:55 amUSM - SYD
1 stop16h 20mCathay Pacific
Deal found 5/30$1,013
sáb. 7/203:00 pmSYD - USM
1 stop20h 05mSingapore Airlines
vie. 7/269:00 amUSM - SYD
1 stop17h 55mSingapore Airlines
Deal found 5/29$1,047
vie. 5/319:35 pmSYD - USM
2 stops24h 00mCathay Pacific
dom. 6/910:55 amUSM - SYD
2 stops20h 30mCathay Pacific
Deal found 5/29$1,048
lun. 7/156:05 pmSYD - USM
1 stop30h 10mMultiple Airlines
vie. 7/269:00 amUSM - SYD
1 stop17h 55mMultiple Airlines
Deal found 5/29$1,051
vie. 5/319:35 pmSYD - USM
2 stops24h 00mCathay Pacific
dom. 6/910:55 amUSM - SYD
2 stops20h 30mCathay Pacific
Deal found 5/30$1,053
mié. 7/179:50 amSYD - USM
1 stop14h 10mMultiple Airlines
vie. 7/264:25 pmUSM - SYD
1 stop11h 30mMultiple Airlines
Deal found 5/29$1,188

Find flights from Sydney to Koh Samui within your budget

Customize your flight search to find flights from Sydney to Koh 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 2,784,634 searches. Data last updated mayo 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,047 - $1,310

Route

Depart

Return

Price

Sydney Kingsford SmithKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

sáb. 7/20

1 stop20h 05m

Ko Samui

vie. 7/26

1 stop17h 55m

$1,047

Sydney Kingsford SmithKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

lun. 7/15

1 stop30h 10m

Ko Samui

vie. 7/26

1 stop17h 55m

$1,051

Sydney Kingsford SmithKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

mié. 7/17

1 stop14h 10m

Ko Samui

vie. 7/26

1 stop11h 30m

$1,188

Sydney Kingsford SmithKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

vie. 7/19

1 stop13h 40m

Ko Samui

vie. 7/26

1 stop11h 30m

$1,215

Sydney Kingsford SmithKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

dom. 7/14

2 stops35h 15m

Ko Samui

sáb. 8/10

2 stops38h 05m

$1,310

Flights are sorted by cheapest first

Deals found on 5/29

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

Use this chart to determine the optimal time to book a round-trip flight from Sydney to Koh Samui. Price data was last updated on May 24, 2024.
The best time to book flights from Sydney to Koh Samui is 53 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

Best time to book a flight from Sydney to Koh Samui

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

Temperature and rainfall in Koh Samui by month

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

USM

Temperature

80.6 - 84.2 °F

Reviews of airlines servicing Koh Samui

Get insights into the airlines that provide service to Koh 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 Koh Samui. Reviews last updated mayo 30, 2024.
Singapore Airlines
8.2
Very good
1,425 reviews
Check prices

Crew

8.7

Food

7.8

Entertainment

8.1

Overall

8.2

Comfort

8.1

Boarding

8.4

Reviews

1 / 10

They changed my flight but didn't notify the other carrier. I can't do online check-in and had to wait 30 min to get it all sort out at the counter.

Singapore Airlines
8.2
Very good
1,425 reviews
Singapore Airlines
8.2
Very good
1,425 reviews
Check prices

Crew

8.7

Food

7.8

Entertainment

8.1

Overall

8.2

Comfort

8.1

Boarding

8.4

Reviews

1 / 10

They changed my flight but didn't notify the other carrier. I can't do online check-in and had to wait 30 min to get it all sort out at the counter.

Vietnam Airlines
7.7
Good
289 reviews
Singapore Airlines
8.2
Very good
1,425 reviews
Check prices

Crew

8.7

Food

7.8

Entertainment

8.1

Overall

8.2

Comfort

8.1

Boarding

8.4

Reviews

1 / 10

They changed my flight but didn't notify the other carrier. I can't do online check-in and had to wait 30 min to get it all sort out at the counter.

Related info for your journey

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

  • Can I find flights from Sydney to Koh Samui for under $1,100 on Cheapflights?

    Yes, there are multiple flights from Sydney to Koh Samui for under $1,100. The cheapest flight booked recently is on Singapore Airlines for just $1,047, but on average you can expect to pay $1,162.

  • What are the cheapest airlines flying from Sydney to Koh Samui round-trip?

    Our cheapest airline available from Sydney to Koh Samui is Singapore Airlines. Our recent data shows that you can find tickets from as low as $1,047 on this airline. An additional option worth looking into is Vietnam Airlines, starting at $1,310.

  • What does SYD to USM mean?

    SYD and USM are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. SYD to USM refers to a flight route from Sydney Kingsford Smith Airport to Ko Samui Airport.

  • Can I find deals for flights from Sydney to Koh Samui that include extra baggage allowance?

    The amount of baggage you can bring on your Sydney to Koh Samui flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Sydney to Koh Samui with specific airlines?

    Yes, Cheapflights allows you to browse and filter Sydney to Koh Samui flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

  • How can I find direct flights from Sydney to Koh Samui?

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

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

    Yes. Cheapflights offers flight deals from Sydney 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.

  • Can I find deals for flights from Sydney to Koh Samui that allow pets onboard?

    Many airlines flying from Sydney to Koh Samui offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Sydney to Koh Samui?

    Yes, you can often find last-minute deals on Sydney to Koh Samui flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Sydney to Koh Samui flight deals updated?

    The Sydney to Koh Samui flight deals you see on this page were last updated on 5/30.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sydney to Koh Samui
See prices for flight routes from nearby airports that may be better suited for you.

Sydney to Suvarnabhumi flights
Sydney to Chiang Mai flights
Sydney to Phuket City flights
Cleveland to Chicago flights
Denver to Houston flights
Chicago to Dublin flights
Detroit to Chicago flights
Dallas to Paris flights
Pittsburgh to New York flights
Las Vegas to Boston flights
Florida to New York flights
San Diego to Los Angeles flights
San Diego to San Francisco flights
Pittsburgh to Miami flights
Sydney to Massachusetts flights

Search flights from Sydney to Koh Samui by cabin class

Find flights from Sydney to Koh Samui, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Laayoune Hassan I
Flights to Virac
Flights to Figari-Sud Corse
Flights to Edremit/Korfez
Flights to Rhinelander Oneida County
Flights to Girona Costa Brava
Flights to Brainerd Crow Wing County
Flights to Parikia Paros
Flights to Cortez Montezuma County
Flights to Miyakojima Hirara
Flights to Zadar
Flights to Trapani Birgi
Flights to Provincetown
Flights to Oran Es Senia
Flights to Constanţa Mihail Kogalniceanu
Flights to Vava'u Lupepau'U
Flights to Urumqi
Flights to Hakodate
Flights to Naxos
Flights to Dalaman
Flights to Hyannis Barnstable
Flights to Devils Lake
Flights to Bastia Poretta
Flights to Karpathos

Fly with Cheapflights

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

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Koh Samui from Sydney today with Cheapflights!

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sydney to Koh Samui for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Koh Samui from Sydney? 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 Sydney to Koh Samui become cheaper?

Not ready to book yet? You can track prices for flights from Sydney to Koh Samui on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines