Cheap Flights from Cairns to Sydney
Round-trip economy fares between Cairns (CNS) and Sydney (SYD) average A$288 across the year. Book for June and typical prices fall to A$225. The 1,972 km hop takes about 2.9 hours non-stop, and the nicest window to visit Sydney is October – April (southern summer).
Today's tracked low
A$216 −4% vs. seasonal low
Not flying from Cairns? See Sydney deals from your nearest hub.
When is the cheapest time to fly from Cairns to Sydney?
Average round-trip economy fare by departure month. June is the statistical sweet spot at A$225.
| Month | Avg. round-trip | vs. yearly average |
|---|---|---|
| January | A$351 | +A$63 |
| February | A$323 | +A$35 |
| March | A$288 | +A$0 |
| April | A$265 | −A$23 |
| May | A$242 | −A$46 |
| June Cheapest | A$225 | −A$63 |
| July | A$230 | −A$58 |
| August | A$242 | −A$46 |
| September | A$276 | −A$12 |
| October | A$305 | +A$17 |
| November | A$323 | +A$35 |
| December | A$363 | +A$75 |
Travel Readiness & Connectivity — Australia
ETA / eVisitor authorisation required before boarding.
Instant eSIM data for Australia
7 days
3 GB data
A$12.00 · A$1.71/day
Activate before takeoff →
14 days
5 GB data
A$22.00 · A$1.57/day
Activate before takeoff →
30 days
10 GB data
A$33.00 · A$1.10/day
Activate before takeoff →
EKTA travel insurance
Trusted worldwide coverage from $0.99 USD/day
START PLAN
Basic coverage
From $0.99 /day
Get a Quote →
GOLD PLAN
Extended coverage + COVID-19
From $1.99 /day
Get a Quote →
PLATINUM PLAN
Premium worldwide coverage
From $2.99 /day
Get a Quote →
Prices shown in USD. Get an instant quote personalised to your trip dates and age.
- COVID-19 covered
- Instant policy by email
- Valid in 70+ countries
- Cancel anytime
Sleep near the action in Sydney
Compare hotel and apartment rates for your June dates.
Alert me when prices drop for this route
Current low: A$225 round-trip. One email when it dips — no newsletters, no spam.
Cairns to Sydney flight FAQs
- What is the cheapest month to fly from Cairns to Sydney?
- June is typically cheapest, with round-trips from A$225 — about A$63 under the yearly average of A$288.
- How long is the flight from Cairns to Sydney?
- Non-stop services cover the 1,972 km route in roughly 2.9 hours.
- When is the best time to visit Sydney?
- October – April (southern summer). Entry requirements: ETA / eVisitor authorisation required before boarding.