$500 Cheap Flights from Colombo (CMB) to Sydney (SYD)

View $500 flight on Fri, Sep 19, 2025Opens in a new window

Popular airlines from Bandaranaike Intl. Airport (CMB) to Sydney Airport (SYD)

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Cheap Flights from Colombo to Sydney (CMB-SYD)

Prices were available within the past 7 days and start at $500 for one-way flights and $739 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qantas Airways
Tue, Sep 16 - Fri, Oct 3
CMB
Colombo
SYD
Sydney
$739 Roundtrip, found 4 days ago
$739
Roundtrip
found 4 days ago
Select Qantas Airways flight, departing Tue, Sep 16 from Colombo to Sydney, returning Fri, Oct 3, priced at $739 found 4 days ago
Qantas Airways
Tue, Oct 21 - Tue, Nov 4
CMB
Colombo
SYD
Sydney
$772 Roundtrip, found 16 hours ago
$772
Roundtrip
found 16 hours ago
Select Qantas Airways flight, departing Tue, Oct 21 from Colombo to Sydney, returning Tue, Nov 4, priced at $772 found 16 hours ago
Air India
Sat, Sep 27 - Tue, Oct 21
CMB
Colombo
SYD
Sydney
$774 Roundtrip, found 4 days ago
$774
Roundtrip
found 4 days ago
Select Air India flight, departing Sat, Sep 27 from Colombo to Sydney, returning Tue, Oct 21, priced at $774 found 4 days ago
Air India
Sat, Sep 27 - Fri, Oct 24
CMB
Colombo
SYD
Sydney
$791 Roundtrip, found 2 days ago
$791
Roundtrip
found 2 days ago
Select Air India flight, departing Sat, Sep 27 from Colombo to Sydney, returning Fri, Oct 24, priced at $791 found 2 days ago
Qantas Airways
Mon, Sep 15 - Fri, Oct 3
CMB
Colombo
SYD
Sydney
$796 Roundtrip, found 4 days ago
$796
Roundtrip
found 4 days ago
Select Qantas Airways flight, departing Mon, Sep 15 from Colombo to Sydney, returning Fri, Oct 3, priced at $796 found 4 days ago
Singapore Airlines
Thu, Nov 6 - Mon, Nov 10
CMB
Colombo
SYD
Sydney
$797 Roundtrip, found 6 days ago
$797
Roundtrip
found 6 days ago
Select Singapore Airlines flight, departing Thu, Nov 6 from Colombo to Sydney, returning Mon, Nov 10, priced at $797 found 6 days ago
Qantas Airways
Tue, Oct 21 - Tue, Nov 4
CMB
Colombo
SYD
Sydney
$805 Roundtrip, found 16 hours ago
$805
Roundtrip
found 16 hours ago
Select Qantas Airways flight, departing Tue, Oct 21 from Colombo to Sydney, returning Tue, Nov 4, priced at $805 found 16 hours ago
Qantas Airways
Fri, Nov 7 - Thu, Nov 13
CMB
Colombo
SYD
Sydney
$806 Roundtrip, found 6 days ago
$806
Roundtrip
found 6 days ago
Select Qantas Airways flight, departing Fri, Nov 7 from Colombo to Sydney, returning Thu, Nov 13, priced at $806 found 6 days ago
China Eastern Airlines
Sat, Mar 14 - Thu, Apr 16
CMB
Colombo
SYD
Sydney
$835 Roundtrip, found 6 days ago
$835
Roundtrip
found 6 days ago
Select China Eastern Airlines flight, departing Sat, Mar 14 from Colombo to Sydney, returning Thu, Apr 16, priced at $835 found 6 days ago
Cathay Pacific
Tue, Oct 21 - Tue, Nov 4
CMB
Colombo
SYD
Sydney
$845 Roundtrip, found 16 hours ago
$845
Roundtrip
found 16 hours ago
Select Cathay Pacific flight, departing Tue, Oct 21 from Colombo to Sydney, returning Tue, Nov 4, priced at $845 found 16 hours ago

Alternative airports near Sydney

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

Select flight to Kingsford Smith Intl. SYD. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $831
SYD
Kingsford Smith Intl.
Cheapest
Average driving time to city center16 min
Flights from $831
Flights from Colombo (CMB) to Sydney (SYD)
Origin airport
Bandaranaike Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Air India, Cathay Pacific, China Eastern Airlines, Emirates, Etihad Airways, Malaysia Airlines, Qantas Airways, Qatar Airways, Singapore Airlines, SriLankan Airlines, Thai Airways International, Turkish Airlines
Roundtrip price
$738
Distance
5443 mi
Average flight time
9 hours 5 mins

Colombo to Sydney Flights

The cheapest times to fly from Colombo 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 Colombo to Sydney are during the month of September. You can find some of the cheapest flights from Colombo to Sydney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Colombo to Sydney

Sunday is one of the best days to book for cheap flights from Colombo 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 Colombo 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 Colombo to Sydney in 2025. You can also book with separate airlines for your outbound and return journeys, from $500 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 Colombo 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 Colombo 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 Bandaranaike Intl. Airport (CMB) to Kingsford Smith Intl. Airport (SYD) cost?
Cheap return fares from Bandaranaike Intl. Airport (CMB) to Kingsford Smith Intl. Airport (SYD) start from $1096. 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 SriLankan Airlines flight leaving CMB on August 12 2025 and touching down at SYD. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from CMB to SYD?
The cheapest flights from CMB 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 Bandaranaike Intl. Airport (CMB) to Kingsford Smith Intl. Airport (SYD)?
You can fly directly from Bandaranaike Intl. Airport (CMB) to Kingsford Smith Intl. Airport (SYD) on a SriLankan Airlines flight.
What is the cheapest airline that flies from CMB to SYD?
With prices as low as $728 for a one-way journey from CMB to SYD, SriLankan Airlines is currently the cheapest airline for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from CMB on September 13 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Bandaranaike Intl. Airport (CMB) to Kingsford Smith Intl. Airport (SYD)?
On average, Bandaranaike Intl. Airport (CMB) offers 4 nonstop flights to Kingsford Smith Intl. Airport (SYD) each week. For more options, take advantage of Expedia's filters to discover flights with a layover. Squeeze in a visit to another location or simply break up your trip.
What are the most popular departure times for flights from Bandaranaike Intl. Airport (CMB) to Kingsford Smith Intl. Airport (SYD)?
The 12 AM departures from CMB to SYD are the top choice for many travelers. They can also be more expensive. If you want to save on your trip, choose a less crowded time to fly.
What day of the week has the most flights from CMB to SYD?
Travel on a Friday if you're looking for the best choice of flights from Bandaranaike Intl. Airport (CMB) to Kingsford Smith Intl. Airport (SYD).
What is the earliest flight from Bandaranaike Intl. Airport (CMB) to Kingsford Smith Intl. Airport (SYD)?
Catch the earliest flight at around 12:10AM UTC+5, heading out of Bandaranaike Intl. Airport (CMB). You'll be flying for about 10h 15m, touching down at Kingsford Smith Intl. Airport (SYD) at approximately 3:55PM UTC+11.
How long does it take to fly from Bandaranaike Intl. Airport (CMB) to Kingsford Smith Intl. Airport (SYD)?
It takes around 10 hours and 15 minutes to travel the 5,400 mi from CMB to SYD.
What is the best time to fly from Bandaranaike Intl. Airport (CMB) to Kingsford Smith Intl. Airport (SYD)?
To avoid potential delays on the Bandaranaike Intl. Airport (CMB) to Kingsford Smith Intl. Airport (SYD) route, aim to 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 Bandaranaike Intl. Airport (CMB)?
If you're flying on a direct flight from Bandaranaike Intl. Airport (CMB) to Sydney, Kingsford Smith Intl. Airport (SYD) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Bandaranaike Intl. Airport (CMB) to Kingsford Smith Intl. Airport (SYD) last-minute?
Last-minute bookings from CMB to SYD are generally more expensive. For the lowest rates, start looking for flights ahead of time. That said, if you can play around with your travel dates, you may land a cheap fare right before your journey.
Is it cheaper to book a CMB to SYD flight and hotel package?
Booking a CMB to SYD flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our extensive range of accommodations and then add activities, flights 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 Bandaranaike Intl. Airport (CMB) to Kingsford Smith Intl. Airport (SYD)?
If you booked your CMB to SYD flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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*Available to One Key members.