Cheap flights from Colombo Bandaranaike Intl Airport to Sydney from $428

The month of March is, on average, the cheapest month to fly to Sydney from Colombo Bandaranaike Intl Airport, with most prices found around $1,158. If you aren’t able to travel to Sydney during the month of March, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $1,170.

Our data shows that Thursday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,528. The most expensive day to fly to Sydney is Sunday, with ticket prices averaging around $1,919.

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 $1,437 when searching weeks before you fly. 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 $1,125 on momondo.

There is only 1 cabin class 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 5% on your flight if you consider stops on a Colombo Bandaranaike Intl Airport to Sydney flight.

Batik Air and Jetstar are the most popular carriers operating from Colombo Bandaranaike Intl to Sydney Kingsford Smith

SriLankan Airlines, Singapore Airlines and Malaysia Airlines are the top three most popular airlines that fly to Sydney from Colombo Bandaranaike Intl Airport according to our data. SriLankan Airlines is the first choice among our users, with 34% of people opting to fly with this airline when travelling to Sydney. Keep in mind that there are 5 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

Historically, on average around 32% 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 119 minutes.

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

Friday is statistically the day of the week that experiences the fewest 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 fewest delays on this route over the last 12 months, with about 32% of their flights experiencing any sort of delay.

As of August 2026, there are 1 flights per day flying from Colombo Bandaranaike Intl Airport to Sydney. The most common time of day flights depart is 00:00, with 100% of flights taking off in the morning.

The number of flights available between Colombo Bandaranaike Intl Airport and Sydney is 7 per week as of August 2026. The most frequent departure day is Fri, with 29% of weekly flights leaving on this day.