$156 Cheap Flights from Singapore (SIN) to Sydney (SYD)

View $156 flight on Mon, Jun 16, 2025Opens in a new window

Popular airlines from Singapore Changi Airport (SIN) to Sydney Airport (SYD)

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Find available prices by choosing your travel dates.

Cheap Flights from Singapore to Sydney (SIN-SYD)

Prices were available within the past 7 days and start at $156 for one-way flights and $305 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Mon, Jun 16 - Thu, Jun 19
SIN
Singapore
SYD
Sydney
$305 Roundtrip, found 10 hours ago
$305
Roundtrip
found 10 hours ago
Select Scoot flight, departing Mon, Jun 16 from Singapore to Sydney, returning Thu, Jun 19, priced at $305 found 10 hours ago
Philippine Airlines
Wed, Sep 17 - Thu, Sep 18
SIN
Singapore
SYD
Sydney
$415 Roundtrip, found 5 days ago
$415
Roundtrip
found 5 days ago
Select Philippine Airlines flight, departing Wed, Sep 17 from Singapore to Sydney, returning Thu, Sep 18, priced at $415 found 5 days ago
China Southern Airlines
Sat, Jun 21 - Sun, Jul 13
SIN
Singapore
SYD
Sydney
$432 Roundtrip, found 10 hours ago
$432
Roundtrip
found 10 hours ago
Select China Southern Airlines flight, departing Sat, Jun 21 from Singapore to Sydney, returning Sun, Jul 13, priced at $432 found 10 hours ago
Jetstar
Mon, May 19 - Mon, Jun 2
SIN
Singapore
SYD
Sydney
$459 Roundtrip, found 8 hours ago
$459
Roundtrip
found 8 hours ago
Select Jetstar flight, departing Mon, May 19 from Singapore to Sydney, returning Mon, Jun 2, priced at $459 found 8 hours ago
Hainan Airlines
Fri, Jun 13 - Tue, Jun 24
SIN
Singapore
SYD
Sydney
$485 Roundtrip, found 2 days ago
$485
Roundtrip
found 2 days ago
Select Hainan Airlines flight, departing Fri, Jun 13 from Singapore to Sydney, returning Tue, Jun 24, priced at $485 found 2 days ago
Xiamen Airlines
Fri, May 16 - Wed, May 21
SIN
Singapore
SYD
Sydney
$520 Roundtrip, found 5 days ago
$520
Roundtrip
found 5 days ago
Select Xiamen Airlines flight, departing Fri, May 16 from Singapore to Sydney, returning Wed, May 21, priced at $520 found 5 days ago
Qantas Airways
Mon, May 19 - Mon, Jun 2
SIN
Singapore
SYD
Sydney
$546 Roundtrip, found 8 hours ago
$546
Roundtrip
found 8 hours ago
Select Qantas Airways flight, departing Mon, May 19 from Singapore to Sydney, returning Mon, Jun 2, priced at $546 found 8 hours ago
Emirates
Mon, May 26 - Thu, May 29
SIN
Singapore
SYD
Sydney
$563 Roundtrip, found 23 hours ago
$563
Roundtrip
found 23 hours ago
Select Emirates flight, departing Mon, May 26 from Singapore to Sydney, returning Thu, May 29, priced at $563 found 23 hours ago
Cathay Pacific
Wed, Oct 15 - Wed, Oct 22
SIN
Singapore
SYD
Sydney
$665 Roundtrip, found 1 hour ago
$665
Roundtrip
found 1 hour ago
Select Cathay Pacific flight, departing Wed, Oct 15 from Singapore to Sydney, returning Wed, Oct 22, priced at $665 found 1 hour ago
Vietjet Air
Tue, May 13 - Tue, May 20
SIN
Singapore
SYD
Sydney
$686 Roundtrip, found 3 days ago
$686
Roundtrip
found 3 days ago
Select Vietjet Air flight, departing Tue, May 13 from Singapore to Sydney, returning Tue, May 20, priced at $686 found 3 days ago
Flights from Singapore (SIN) to Sydney (SYD)
Origin airport
Changi
Destination airport
Kingsford Smith Intl.
Airlines serving
Air New Zealand, Asiana Airlines, Batik air , British Airways, Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, Emirates, Garuda Indonesia, Malaysia Airlines, Philippine Airlines, Qantas Airways, Scoot, Singapore Airlines, SriLankan Airlines, Thai Airways International, Vietjet Air, Vietnam Airlines, Xiamen Airlines
Roundtrip price
$305
Distance
3909 mi
Average flight time
9 hours 36 mins

Singapore to Sydney Flights

The cheapest times to fly from Singapore to Sydney

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 Singapore to Sydney are during the month of June. You can find some of the cheapest flights from Singapore to Sydney with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Singapore to Sydney

Sunday is one of the best days to book for cheap flights from Singapore to Sydney: 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 Singapore to Sydney

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 Singapore to Sydney in 2025. You can also book with separate airlines for your outbound and return journeys, from $156 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 Singapore to Sydney 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 Singapore to Sydney 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.

Frequently asked questions

How much does a flight from Changi Airport (SIN) to Kingsford Smith Intl. Airport (SYD) cost?
Snag cheap return tickets starting from $356 from Changi Airport (SIN) to Kingsford Smith Intl. Airport (SYD). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Scoot flight leaving SIN on May 20 2025 and touching down at SYD. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from SIN to SYD?
The cheapest flights from SIN to SYD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Changi Airport (SIN) to Kingsford Smith Intl. Airport (SYD)?
Take your pick of 4 airlines that fly directly from Changi Airport (SIN) to Kingsford Smith Intl. Airport (SYD). Including:

  • Singapore Airlines
  • Qantas
  • Scoot

What is the cheapest airline that flies from SIN to SYD?
At the moment, the cheapest airline offering one-way flights from SIN to SYD is Scoot. You can jet off on this route from $174. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SIN on July 1 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Changi Airport (SIN) to Kingsford Smith Intl. Airport (SYD)?
Every day on average, 9 nonstop flights operate from Changi Airport (SIN) to Kingsford Smith Intl. Airport (SYD). Choose the departure time that fits your schedule best.
What are the most popular departure times for flights from Changi Airport (SIN) to Kingsford Smith Intl. Airport (SYD)?
More people fly between SIN and SYD at 8 PM than at any other time. Prefer a quieter experience? Consider flying outside peak hours and there’s a chance you’ll save on your fare as well.
What day of the week has the most flights from SIN to SYD?
Travel on a Monday if you’re searching for the largest selection of flights from Changi Airport (SIN) to Kingsford Smith Intl. Airport (SYD).
What is the earliest flight from Changi Airport (SIN) to Kingsford Smith Intl. Airport (SYD)?
Changi Airport (SIN)’s earliest flight to Kingsford Smith Intl. Airport (SYD) is at approximately 12:55AM UTC+8. With a total journey time of 7h 55m, you’ll touch down at around 11:50AM UTC+11.
How long does it take to fly from Changi Airport (SIN) to Kingsford Smith Intl. Airport (SYD)?
It takes approximately 7 hours and 49 minutes to fly the 3,900 mi from SIN to SYD.
What airline has the least delays from SIN to SYD?
British Airways has the best performance for on-time direct flights from Changi Airport (SIN) to Kingsford Smith Intl. Airport (SYD), with an on-time score of 86%. Use the Expedia App to check your journey status before you take off and get immediate updates about any changes.
What is the best time to fly from Changi Airport (SIN) to Kingsford Smith Intl. Airport (SYD)?
To avoid possible delays on the Changi Airport (SIN) to Kingsford Smith Intl. Airport (SYD) route, travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Sydney from Changi Airport (SIN)?
Kingsford Smith Intl. Airport (SYD) is the only airport in Sydney with direct flights from Changi Airport (SIN). Check out the available options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Changi Airport (SIN) to Kingsford Smith Intl. Airport (SYD) last-minute?
Holding off until just before your trip to book a flight from SIN to SYD generally means paying more. While you may find some last-minute discounts, they aren’t always guaranteed. Keep your travel schedule open to boost your chances of getting a bargain.
Is it cheaper to book a SIN to SYD flight and hotel package?
Booking a SIN to SYD flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our wide range of hotels 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 Changi Airport (SIN) to Kingsford Smith Intl. Airport (SYD)?
In most cases, you can modify or cancel your SIN to SYD flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline’s policies and fees on flight changes, or if you’d like more details, head to our Customer Service portal.

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*Available to One Key members.