Booking 90 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Cairns. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
One of the essential ways to save on airfare from Sydney to Cairns is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 16% on airfare.
The most flights from SYD to CNS are scheduled on a Friday (35 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).
In terms of precipitation, rainfall in Cairns ranges from 20.0 - 430.0 inches per month. March is typically the wettest month, when rainfall can reach 430.0 mm. July is typically the driest time to visit Cairns when rainfall is around 20.0 mm.
If weather is an important factor for your trip to Cairns, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 21.0 C).
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