Question 1

How have Cairns to Sydney flight prices changed over time?

Accepted Answer

As of January 2026, prices for Cairns to Sydney flights are approximately 4% more expensive when compared to flights at the same time last year.

Question 2

How far in advance should I book a flight to Sydney?

Accepted Answer

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 £136 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 £109 on momondo.

Question 3

Which airline has the best punctuality record on Cairns to Sydney flights?

Accepted Answer

According to our data, Aruba Airlines have had the fewest delays on this route over the last 12 months, with about 7% of their flights experiencing any sort of delay.

Question 4

What cabin class options are available on Cairns to Sydney Kingsford Smith flights?

Accepted Answer

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.

Question 5

What is the cheapest day to depart on your flight to Sydney?

Accepted Answer

The cheapest day to depart on your flight to Sydney is on a Friday when prices can be found for as low as £102. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday 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 £115.

Question 6

What is the most punctual flight time for Cairns to Sydney flights?

Accepted Answer

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.

Question 7

How often are flights from Cairns to Sydney delayed?

Accepted Answer

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 97 minutes.

Question 8

What is the cheapest month to fly to Sydney?

Accepted Answer

In general, March 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 £108. If you don’t want to visit Sydney in March, then you should wait until June to fly from Cairns, when ticket prices are also cheap, with an average price of £109.

Question 9

What is the cheapest time of day to depart on your flight to Sydney?

Accepted Answer

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from Cairns to Sydney in the afternoon for as low as £102. 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 morning is when there is more demand to fly to Sydney, so prices are often more expensive at around £115 per ticket.

Question 10

What is the cheapest Cairns to Sydney Kingsford Smith flight route?

Accepted Answer

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

Question 11

How many flights depart from Cairns to Sydney on average per day?

Accepted Answer

The number of flights available between Cairns and Sydney is 21 per day as of January 2026. The most frequent departure time is 12:00, with 55% of daily flights leaving in the afternoon.

Question 12

How many flights depart from Cairns to Sydney on average per week?

Accepted Answer

147 flights are operational weekly from Cairns to Sydney as of January 2026. The most popular departure day for this route is Thu, with 21% of flights per week taking off on this day.

Question 13

What is the cheapest airline that flies from Cairns to Sydney Kingsford Smith?

Accepted Answer

Jetstar, Virgin Australia, and IndiGo are the most popular carriers operating from Cairns to Sydney Kingsford Smith

Question 14

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

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

Question 15

When did momondo last update prices for flights from Cairns Airport to Sydney Kingsford Smith Airport?

Accepted Answer

Prices for flights from Cairns Airport to Sydney Kingsford Smith Airport are updated daily.

Question 16

How old do you have to be to fly from Cairns Airport to Sydney Kingsford Smith Airport?

Accepted Answer

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cairns Airport to Sydney Kingsford Smith Airport.

Question 17

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

Accepted Answer

The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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Cheap flights from Cairns to Sydney from £61

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cairns to Sydney departing on 3/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Cairns to Sydney

What is the cheapest month to fly to Sydney?

What is the cheapest day to depart on your flight to Sydney?

What is the cheapest time of day to depart on your flight to Sydney?

What is the cheapest Cairns to Sydney Kingsford Smith flight route?

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

How far in advance should I book a flight to Sydney?

What cabin class options are available on Cairns to Sydney Kingsford Smith flights?

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.

How have Cairns to Sydney flight prices changed over time?

As of January 2026, prices for Cairns to Sydney flights are approximately 4% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Cairns to Sydney Kingsford Smith?

Jetstar, Virgin Australia, and IndiGo are the most popular carriers operating from Cairns to Sydney Kingsford Smith

How often are flights from Cairns to Sydney delayed?

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 97 minutes.

What is the most punctual flight time for Cairns to Sydney flights?

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.

What day of the week experiences the fewest flight delays on this route?

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

Which airline has the best punctuality record on Cairns to Sydney flights?

According to our data, Aruba Airlines have had the fewest delays on this route over the last 12 months, with about 7% of their flights experiencing any sort of delay.

How many flights depart from Cairns to Sydney on average per day?

The number of flights available between Cairns and Sydney is 21 per day as of January 2026. The most frequent departure time is 12:00, with 55% of daily flights leaving in the afternoon.

How many flights depart from Cairns to Sydney on average per week?

147 flights are operational weekly from Cairns to Sydney as of January 2026. The most popular departure day for this route is Thu, with 21% of flights per week taking off on this day.

When to book flights from Cairns to Sydney

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