Cheap flights from Cairns to Sydney from £73

In general, January is the cheapest month to fly from Cairns to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £119. If you don’t want to visit Sydney in January, then you should wait until February to fly from Cairns, when ticket prices are also cheap, with an average price of £153.

The cheapest day to depart on your flight to Sydney is on a Friday when prices can be found for as low as £105. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from Cairns because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £182.

According to our data, the cheapest time of day to fly to Sydney is in the morning. momondo users have found flights departing from Cairns to Sydney in the morning for as low as £117. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Sydney, so prices are often more expensive at around £182 per ticket.

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You are more likely to see cheaper flights to Sydney from Cairns when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around £163 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 Cairns for as low as £120 on momondo.

There is only 1 cabin class available to choose from on Cairns to Sydney flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 14% of flights between Cairns and Sydney have experienced a delay on any given week. The average delay length over the past 12 months has been 98 minutes.

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

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

According to our data, Jetstar have had the fewest delays on this route over the last 12 months, with about 13% of their flights experiencing any sort of delay.

The number of flights available between Cairns and Sydney is 27 per day as of August 2026. The most frequent departure time is 13:00, with 64% of daily flights leaving in the afternoon.

189 flights are operational weekly from Cairns to Sydney as of August 2026. The most popular departure day for this route is Wed, with 17% of flights per week taking off on this day.