Cheap flights from Colombo Bandaranaike Intl Airport to Sydney from $405

In general, April is the cheapest month to fly from Colombo Bandaranaike Intl Airport to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $829. If you are unable to visit Sydney during the month of April, then departing from Colombo Bandaranaike Intl Airport during the month March is also very affordable. Most momondo users find prices during this month for around $830.

The cheapest day to depart from Colombo Bandaranaike Intl Airport to Sydney is on a Tuesday when prices can be found for as low as $1,199. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,307.

Fly from Colombo Bandaranaike Intl to Sydney Kingsford Smith for the best Colombo Bandaranaike Intl - Sydney Kingsford Smith flight prices

You are more likely to see cheaper flights to Sydney from Colombo Bandaranaike Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,024 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Colombo Bandaranaike Intl Airport for as low as $850 on momondo.

There are 2 cabin classes available to choose from on Colombo Bandaranaike Intl Airport to Sydney flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 23% on your flight if you consider stops on a Colombo Bandaranaike Intl Airport to Sydney flight.

Historically, on average around 37% of flights between Colombo and Sydney have experienced a delay on any given week. The average delay length over the past 12 months has been 118 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Sunday is statistically the day of the week which experiences the fewest number of delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, SriLankan Airlines have had the least number of delays on this route over the last 12 months; with about 37% of their flights experiencing any sort of delay.

Singapore (SIN) was the most common stop: 57% of momondo users choosing 1-stop flights on this route connected there.

Flights via Singapore (SIN) offer the lowest average round-trip price of $968.

Flights connecting via Singapore (SIN) have the shortest average one-way travel time: 13h 59m.

Singapore (SIN) has the shortest average layover time for this route: 2h 24m.

As of July 2026, 1 flights take off from Colombo Bandaranaike Intl Airport and land in Sydney each day. The most common flight departure time for this route is 12:00AM, with 100% of daily flights taking off in the morning.

7 flights are operational weekly from Colombo Bandaranaike Intl Airport to Sydney as of July 2026. The most popular departure day for this route is Tue, with 29% of flights per week taking off on this day.