How much is a ticket from Sydney to Cairns?

The cheapest price found today is $84.

When is it cheaper to fly?

Cheapest month is September — from $84.

Cheapest today — $84. Below is what booking services offer.

Departure	Airline	Stops	Price
Nov 8	Jetstar	direct	$84	View
Sep 11	Jetstar	direct	$84	View
Sep 12	Jetstar	direct	$84	View
Sep 5	Jetstar	direct	$87	View
Nov 28	Jetstar	direct	$89	View
Oct 17	Jetstar	direct	$89	View
Oct 14	Jetstar	direct	$91	View
Oct 21	Jetstar	direct	$92	View
Sep 17	Jetstar	direct	$94	View
Sep 10	Jetstar	direct	$95	View

How much is a ticket from Sydney to Cairns?: The cheapest price found today is $84.
When is it cheaper to fly?: Cheapest month is September — from $84.

Links to booking services are affiliate links. The price stays the same for you.