$279 Cheap Flights from Sydney (SYD) to Colombo (CMB)

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

Cheap Flights from Sydney to Colombo (SYD-CMB)

Prices were available within the past 7 days and start at $279 for one-way flights and $593 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Singapore Airlines
Singapore Airlines
Singapore Airlines
Philippine Airlines
Philippine Airlines
Philippine Airlines
SriLankan Airlines
Malaysia Airlines
Cathay Pacific
Flights from Sydney (SYD) to Colombo (CMB)
Origin airport
Kingsford Smith Intl.
Destination airport
Bandaranaike 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
Roundtrip price
$593
Distance
5443 mi
Average flight time
12 hours 15 mins

Sydney to Colombo Flights

The cheapest times to fly from Sydney to Colombo

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

 

The best time to book a flight from Sydney to Colombo

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

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 Colombo in 2025. You can also book with separate airlines for your outbound and return journeys, from $279 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 Colombo 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 Colombo 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 Kingsford Smith Intl. Airport (SYD) to Bandaranaike Intl. Airport (CMB) cost?
Cheap round-trip flights from Kingsford Smith Intl. Airport (SYD) to Bandaranaike Intl. Airport (CMB) start at $702. 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 SYD on August 17 2025 and touching down at CMB. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from SYD to CMB?
The cheapest flights from SYD to CMB 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 Kingsford Smith Intl. Airport (SYD) to Bandaranaike Intl. Airport (CMB)?
Fly directly from Kingsford Smith Intl. Airport (SYD) to Bandaranaike Intl. Airport (CMB) on a SriLankan Airlines flight.
What is the cheapest airline that flies from SYD to CMB?
Take off from SYD to CMB with SriLankan Airlines. This airline currently has the cheapest one-way fare for this route, starting from $475. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SYD on August 17 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Kingsford Smith Intl. Airport (SYD) to Bandaranaike Intl. Airport (CMB)?
On average, Kingsford Smith Intl. Airport (SYD) has 4 nonstop flights to Bandaranaike Intl. Airport (CMB) weekly. For more choice, use Expedia's filters to find flights with one or two stops. Squeeze in a quick visit to another city or just break up your journey.
What are the most popular departure times for flights from Kingsford Smith Intl. Airport (SYD) to Bandaranaike Intl. Airport (CMB)?
The 5 PM departures from SYD to CMB are the most sought after. These flights can come with a higher price due to their popularity. If you're looking to save, choose a less crowded time to fly.
What day of the week has the most flights from SYD to CMB?
If you fly on a Friday, you'll get the biggest range of options for flights from Kingsford Smith Intl. Airport (SYD) to Bandaranaike Intl. Airport (CMB).
What is the earliest flight from Kingsford Smith Intl. Airport (SYD) to Bandaranaike Intl. Airport (CMB)?
Kingsford Smith Intl. Airport (SYD)'s first flight to Bandaranaike Intl. Airport (CMB) departs at approximately 5:10PM UTC+11. With a travel duration of 10h 55m, you'll arrive at around 10:35PM UTC+5.
How long does it take to fly from Kingsford Smith Intl. Airport (SYD) to Bandaranaike Intl. Airport (CMB)?
Flights from SYD to CMB have an average travel time of 10 hours and 55 minutes. The distance between the two airports is 5,400 mi.
What is the best time to fly from Kingsford Smith Intl. Airport (SYD) to Bandaranaike Intl. Airport (CMB)?
To touch down at Bandaranaike Intl. Airport (CMB) without delays, choose a flight that leaves from Kingsford Smith Intl. Airport (SYD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Colombo from Kingsford Smith Intl. Airport (SYD)?
Compare your flight options from Kingsford Smith Intl. Airport (SYD) to Bandaranaike Intl. Airport (CMB). This is the only Colombo airport you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Kingsford Smith Intl. Airport (SYD) to Bandaranaike Intl. Airport (CMB) last-minute?
Waiting until right before your break to book your flight from SYD to CMB generally means paying more. Although you may find some last-minute offers, there's no guarantee. Be flexible with your itinerary for a better chance of landing a bargain.
Is it cheaper to book a SYD to CMB flight and hotel package?
Securing a SYD to CMB flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our impressive range of hotels and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Kingsford Smith Intl. Airport (SYD) to Bandaranaike Intl. Airport (CMB)?
Usually, it's possible to cancel or reschedule your SYD to CMB flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

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