Cheap flights from Cairns to Sydney from $83

In general, June 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 $153. If you are unable to visit Sydney during the month of June, then departing from Cairns during the month January is also very affordable. Most momondo users find prices during this month for around $158.

The cheapest day to depart from Cairns to Sydney is on a Thursday when prices can be found for as low as $124. The most expensive day to fly to Sydney is Monday, with ticket prices averaging around $487.

According to our data, the cheapest time of day to fly to Sydney is in the evening. momondo users have found flights departing from Cairns to Sydney in the evening for as low as $147. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the morning, with an average ticket price of $199. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Cairns to Sydney Kingsford Smith for the best Cairns - Sydney Kingsford Smith flight prices

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 $194 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Cairns for as low as $146 on momondo.

There are 3 cabin classes available to choose from on Cairns to Sydney Kingsford Smith 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 13% 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 99 minutes.

Generally, flights departing in the morning 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. Friday has historically seen more delays on average compared to the rest of the week.

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

As of March 2026, there are 24 flights per day flying from Cairns to Sydney. The most common time of day flights depart is 12:00PM, with 57% of flights taking off in the afternoon.

173 flights are operational weekly from Cairns to Sydney as of March 2026. The most popular departure day for this route is Tue, with 16% of flights per week taking off on this day.