Cheap Flights from Colombo to Sydney

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Flight deals from Colombo to Sydney Airport

Looking for a cheap last-minute deal or the best return flight from Colombo to Sydney Airport? If you want to travel next month, return fares start from $1,130. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Colombo to Sydney

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Colombo to Sydney flights are currently cheapest in May.

Direct flights from Colombo to Sydney

Colombo to Sydney: Alternative routes

Compare routes from Colombo to Sydney below. You may find an airport to fly into that's cheaper, faster, or easier than Sydney.

Colombo to Sydney: Flight information

The things to know before you go.
Cheapest flight found$988
Cheapest month to flyJune
Average flight time10 hrs, 10 mins
Most popular airlineSriLankan Airlines
Average flights per week5

Finding cheap flights from Colombo to Sydney: Frequently asked questions

The best price we found for a return flight from Colombo to Sydney is $988. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
10 hours and 10 minutes is the average flight time from Colombo to Sydney.
SriLankan Airlines and Air Seychelles fly direct from Colombo to Sydney.
As of March 2026, there are 5 flights per week flying from Colombo to Sydney.
The cheapest month to fly from Colombo to Sydney is usually June.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Colombo to Sydney Airport on Tuesday, 30 June 2026.
Yes – the average flight time is 10 hours and 10 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sydney but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sydney is around 40 days in advance, so don’t leave your flight to the last minute.

Flying from Colombo to Sydney Kingsford Smith International Airport (SYD): What you need to know

  • Planning your trip begins with working out where you'll leave from in Colombo. Colombo Bandaranaike International Airport (CMB) is the city's main airport, so check out your options for booking a flight from Colombo to Sydney Kingsford Smith International Airport (SYD) jetting off from here.

  • Around 10 hours 10 minutes is the typical travel time on a direct Colombo to Sydney Kingsford Smith International Airport flight.

  • Sydney is five hours 30 minutes ahead of Colombo. Sydney Kingsford Smith International Airport is located in Sydney, which runs on the UTC+11 timezone.

  • Colombo Bandaranaike International Airport (CMB) to Sydney Kingsford Smith International Airport (SYD) is the busiest route, with 4 direct services each week. Get from CMB to SYD on SriLankan Airlines's 12:10am flight.

  • Leave enough time to catch your flight from Colombo to SYD. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • Popular months like February or other peak seasons mean longer lines and possible delays. Stay on schedule by arriving at the airport even earlier. Plan for at least four hours ahead of an international flight and two hours before domestic departures.

Airports in Colombo

Colombo Bandaranaike International Airport (CMB)

  • Colombo Bandaranaike International Airport (CMB) will have you travelling directly to your destination. Nonstop flights from Colombo to Sydney Kingsford Smith International Airport (SYD) leave from this terminal.

  • You can get away on a direct flight from Colombo to Sydney Kingsford Smith International Airport with SriLankan Airlines. This top carrier operates departures from CMB.

  • The majority of travellers choose to book seats with SriLankan Airlines from CMB to SYD.

  • Among carriers on this route, SriLankan Airlines has the highest percentage of on-time landings.

  • Consider adding a stopover to find cheap flights from Colombo to SYD. Simply uncheck 'Direct flights only' when searching for departures from Colombo Bandaranaike International Airport (CMB). Slip in a stop (and skip the high fares) by flying through one of these popular airports:

    • Bangkok Suvarnabhumi International Airport (BKK)

    • Singapore Changi Airport (SIN)

    • Melbourne Tullamarine Airport (MEL)

  • CMB is around 32 kilometres from central Colombo. If you're driving, ride-sharing or catching a taxi from the centre, it'll take you 40 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the travel time to be around 50 minutes.

  • Catching an early flight from Colombo to Sydney Kingsford Smith International Airport? Avoid the last-minute rush to the terminal (and get some bonus sleep) by staying at one of these hotels close to Colombo Bandaranaike International Airport:

  • 74% of flights departing from Colombo Bandaranaike International Airport reach their destination on time.

About Sydney Kingsford Smith International Airport (SYD)

Getting from Sydney Kingsford Smith International Airport (SYD) to central Sydney

  • Sydney Kingsford Smith International Airport to central Sydney is about 8 kilometres. If you're getting a taxi or renting a car, do some research to make your trip as smooth as possible. Journey times may vary based on the time of day and traffic conditions.

  • It takes around 15 minutes if you're travelling on public transport.

How to find the cheapest flights from Colombo to Sydney Kingsford Smith International Airport (SYD)

  • $519 is currently the best price for a one-way ticket from Colombo to Sydney Kingsford Smith International Airport. Return flights start from $988. These prices can change depending on demand and availability.

  • Booking in advance is often the key to finding a cheap flight from Colombo to SYD. Flight prices rise as demand increases, so the closer you get to departure, the more you'll likely spend on your ticket.

  • If you have some flexibility with your travel dates, use the 'Whole month' tool. It'll show you the cheapest price across the month when searching for your Colombo to Sydney Kingsford Smith International Airport ticket.

  • Locking in a cheap plane ticket from Colombo to SYD couldn't be easier with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you when the price has dropped.

  • Tailor your trip using filters. Pick your ideal arrival and departure times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from Colombo to Sydney Kingsford Smith International Airport.

The best time to fly from Colombo to Sydney Kingsford Smith International Airport (SYD)

  • September is the quietest month for flights from Colombo to Sydney Kingsford Smith International Airport (SYD), while July is the most popular. Pick the best time to go to Sydney based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • Before locking in your Colombo to SYD plane ticket, consider what kind of weather works for you. January is the warmest month in Sydney, with temperatures ranging from 17ºC to 32ºC.

  • If you'd rather travel in cooler conditions, look for a cheap ticket from Colombo to Sydney Kingsford Smith International Airport in July when temperatures are between 5ºC and 19ºC.

More about Sydney

  • After booking your flight from Colombo to Sydney Kingsford Smith International Airport, find a hotel that keeps you close to what you want to see. Make one of these options your base for exploring Sydney:

  • There are so many things to do and see in this city, it can be difficult to know where to begin. Sydney Harbour, Sydney Harbour Bridge and Sydney Harbour are leading attractions which should feature on every Sydney itinerary.

Explore more of Australia

  • You've seen Sydney, now it's time to discover more of Australia. Journey about 241 kilometres southwest to Canberra to tick off its top sights. From National Gallery of Australia to National Portrait Gallery and Museum of Australian Democracy, your itinerary will be busy.

  • If there's time to check out another great destination in Australia, head for Newcastle, roughly 129 kilometres northeast of Sydney. Bathers Way Coastal Walk, Merewether Beach and Nobbys Beach are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.