Cheap flights from Sydney to Cairns from $149

The cheapest month to fly to Cairns from Sydney is in January. Flight prices, which tend to average around $273, are often lower during this time because this is during the off-season. If you are unable to visit Cairns during the month of January, then departing from Sydney during the month March is also very affordable. Most momondo users find prices during this month for around $300.

According to our data, Wednesday is the cheapest day to fly to Cairns from Sydney. The lowest ticket price found for a Wednesday departure recently was $325. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $362. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cairns.

In the evening is the cheapest time of day to fly from Sydney to Cairns when you can find flight prices for as low as $307. Flying to Cairns in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $362 on average. Flights to Cairns from Sydney in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to Cairns from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Cairns for around $335 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cairns from Sydney for as low as $293 on momondo.

There are 3 cabin classes available to choose from on Sydney to Cairns flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Jetstar is the most popular carrier operating from Sydney Kingsford Smith to Cairns

Jetstar, Virgin Australia and Qantas Airways are the top three most popular airlines that fly to Cairns from Sydney according to our data. Jetstar is the first choice among our users, with 61% of people opting to fly with this airline when travelling to Cairns. Keep in mind that there are 3 different airlines that fly to Cairns on a routine basis, so you have a few additional options to choose from.

Historically, on average around 17% of flights between Sydney and Cairns have experienced a delay on any given week. The average delay length over the past 12 months has been 103 minutes.

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

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

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

The number of flights available between Sydney and Cairns is 29 per day as of October 2026. The most frequent departure time is 09:00, with 57% of daily flights leaving at midday.

207 flights are operational weekly from Sydney to Cairns as of October 2026. The most popular departure day for this route is Tue, with 19% of flights per week taking off on this day.