$262 Cheap Flights from Sydney (SYD) to Samui Intl. Airport (USM)

View $262 flight on Mon, Mar 16, 2026Opens in a new window

Popular airlines from Sydney Airport (SYD) to Samui Intl. Airport (USM)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Sydney to Samui Intl. Airport (SYD-USM)

Prices were available within the past 7 days and start at $262 for one-way flights and $497 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Wed, Oct 14 - Wed, Oct 28
SYD
Sydney
USM
Koh Samui
$497 Roundtrip, found 1 day ago
$497
Roundtrip
found 1 day ago
Select Scoot flight, departing Wed, Oct 14 from Sydney to Koh Samui, returning Wed, Oct 28, priced at $497 found 1 day ago
Scoot
Sun, May 10 - Thu, May 14
SYD
Sydney
USM
Koh Samui
$499 Roundtrip, found 1 day ago
$499
Roundtrip
found 1 day ago
Select Scoot flight, departing Sun, May 10 from Sydney to Koh Samui, returning Thu, May 14, priced at $499 found 1 day ago
Scoot
Sat, May 16 - Thu, May 21
SYD
Sydney
USM
Koh Samui
$499 Roundtrip, found 6 days ago
$499
Roundtrip
found 6 days ago
Select Scoot flight, departing Sat, May 16 from Sydney to Koh Samui, returning Thu, May 21, priced at $499 found 6 days ago
Scoot
Sun, May 17 - Fri, May 22
SYD
Sydney
USM
Koh Samui
$500 Roundtrip, found 5 days ago
$500
Roundtrip
found 5 days ago
Select Scoot flight, departing Sun, May 17 from Sydney to Koh Samui, returning Fri, May 22, priced at $500 found 5 days ago
Scoot
Sat, May 9 - Wed, May 20
SYD
Sydney
USM
Koh Samui
$501 Roundtrip, found 6 days ago
$501
Roundtrip
found 6 days ago
Select Scoot flight, departing Sat, May 9 from Sydney to Koh Samui, returning Wed, May 20, priced at $501 found 6 days ago
Scoot
Wed, Oct 14 - Wed, Oct 28
SYD
Sydney
USM
Koh Samui
$526 Roundtrip, found 1 day ago
$526
Roundtrip
found 1 day ago
Select Scoot flight, departing Wed, Oct 14 from Sydney to Koh Samui, returning Wed, Oct 28, priced at $526 found 1 day ago
Qantas Airways
Thu, Sep 3 - Tue, Sep 8
SYD
Sydney
USM
Koh Samui
$853 Roundtrip, found 4 days ago
$853
Roundtrip
found 4 days ago
Select Qantas Airways flight, departing Thu, Sep 3 from Sydney to Koh Samui, returning Tue, Sep 8, priced at $853 found 4 days ago
Singapore Airlines
Wed, Oct 14 - Wed, Oct 28
SYD
Sydney
USM
Koh Samui
$890 Roundtrip, found 1 day ago
$890
Roundtrip
found 1 day ago
Select Singapore Airlines flight, departing Wed, Oct 14 from Sydney to Koh Samui, returning Wed, Oct 28, priced at $890 found 1 day ago
British Airways
Sun, Jun 7 - Fri, Jun 12
SYD
Sydney
USM
Koh Samui
$1,021 Roundtrip, found 2 days ago
$1,021
Roundtrip
found 2 days ago
Select British Airways flight, departing Sun, Jun 7 from Sydney to Koh Samui, returning Fri, Jun 12, priced at $1,021 found 2 days ago
Vietnam Airlines
Wed, Sep 2 - Sun, Sep 13
SYD
Sydney
USM
Koh Samui
$1,028 Roundtrip, found 5 days ago
$1,028
Roundtrip
found 5 days ago
Select Vietnam Airlines flight, departing Wed, Sep 2 from Sydney to Koh Samui, returning Sun, Sep 13, priced at $1,028 found 5 days ago

The Annual Vacation Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.
Book now

Alternative airports near Koh Samui

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Samui Intl. Airport USM. Cheapest and Closest option available. Average driving time to city center is 31 minutes. Flights from $706
USM
Samui Intl. Airport
CheapestClosest
Average driving time to city center31 min
Flights from $706

Frequently asked questions

How much does a flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Samui Intl. Airport (USM) cost?
You can find cheap one-way flights from $262 and cheap return flights from $497 Sydney, NSW (SYD-Kingsford Smith Intl.) to Samui Intl. Airport (USM) with Expedia. One-way flights typically cost between $275 and $2993, and return flights often range between $803 and $5005. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Sydney, NSW (SYD-Kingsford Smith Intl.) to Samui Intl. Airport (USM) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Sydney, NSW (SYD-Kingsford Smith Intl.) to Samui Intl. Airport (USM)?
October is the cheapest month to fly from Sydney, NSW (SYD) to Samui Intl. Airport (USM), with average round-trip fares around $652. This is about 29% lower than the average price throughout the year, as October often sees a lull in travel after the busy winter holiday season. Other economical months to consider are March and May.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Sydney, NSW (SYD-Kingsford Smith Intl.) to Samui Intl. Airport (USM)?
Enter SYD to USM and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Sydney, NSW (SYD-Kingsford Smith Intl.) to Samui Intl. Airport (USM)?
Scoot is one of the cheapest airlines offering connecting flights from Kingsford Smith Intl. (SYD) to Samui Intl. Airport (USM), with round-trip tickets starting from around $598. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Sydney, NSW (SYD-Kingsford Smith Intl.) to Samui Intl. Airport (USM)?
To find a cheap flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Samui Intl. Airport (USM), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Sydney, NSW (SYD-Kingsford Smith Intl.) to Samui Intl. Airport (USM)?
For your trip from Sydney, NSW (SYD) to Samui Intl. Airport (USM), October and May are the best months to fly. October offers return flights at around $652, providing a good balance of price and pleasant weather. May is also popular, ensuring you have plenty of options to enjoy the beautiful beaches of Samui.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Samui Intl. Airport (USM)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from SYD to USM. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Sydney, NSW (SYD-Kingsford Smith Intl.) to Samui Intl. Airport (USM)?
The most popular departure times for flights from Sydney (SYD) to Samui Intl. Airport (USM) are in the late morning, from 9am to noon. About 34% of passengers prefer this time window. Many major carriers, including Qantas, Thai Airways, and Singapore Airlines, offer flights during this window. This timing is favored as it allows you to enjoy a leisurely morning in Sydney before heading off to your tropical destination.
How long does it take to fly from Sydney, NSW (SYD-Kingsford Smith Intl.) to Samui Intl. Airport (USM)?
Flying from SYD to USM with a connection usually takes about 13 hours 30 minutes, traveling roughly 4,498 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Sydney, NSW (SYD-Kingsford Smith Intl.) to Samui Intl. Airport (USM)?
Business class seats are offered on the SYD to USM route. Airlines that offer business class service on this route include:

  • Malaysia Airlines
  • Bangkok Airways
  • British Airways
  • Singapore Airlines
  • Thai Airways International
  • Qantas Airways
  • China Airlines
  • Cathay Pacific

How do I earn miles on a Sydney, NSW (SYD-Kingsford Smith Intl.) to Samui Intl. Airport (USM) flight with Expedia?
It's easy to earn miles on a Sydney, NSW (SYD-Kingsford Smith Intl.) to Samui Intl. Airport (USM) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Sydney, NSW (SYD-Kingsford Smith Intl.) to Samui Intl. Airport (USM) at the last minute?
Typically, booking a last minute flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Samui Intl. Airport (USM) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Sydney, NSW (SYD-Kingsford Smith Intl.) to Samui Intl. Airport (USM) flight and hotel package?
Securing a Sydney, NSW (SYD-Kingsford Smith Intl.) to Samui Intl. Airport (USM) Koh Samui Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Samui Intl. Airport (USM)?
If you booked your Sydney, NSW (SYD-Kingsford Smith Intl.) to Samui Intl. Airport (USM) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Kingsford Smith Intl.
Destination airport
Samui Intl. Airport
Airlines serving
British Airways, Cathay Pacific, Malaysia Airlines, Philippine Airlines, Qantas Airways, Scoot, Singapore Airlines, Thai Airways International, Vietnam Airlines
Roundtrip price
$497
Distance
4497 mi

Book with confidence

Sydney to Samui Intl. Airport Flights

The cheapest times to fly from Sydney to Samui Intl. Airport

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sydney to Samui Intl. Airport are during the month of October. You can find some of the cheapest flights from Sydney to Samui Intl. Airport with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sydney to Samui Intl. Airport

Sunday is one of the best days to book for cheap flights from Sydney to Samui Intl. Airport: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sydney to Samui Intl. Airport

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sydney to Samui Intl. Airport in 2026. You can also book with separate airlines for your outbound and return journeys, from $262 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sydney to Samui Intl. Airport flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sydney to Samui Intl. Airport airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Sydney to Samui Intl. Airport Flights

*Flight schedules are subject to change.

*Available to One Key members.