Cheap Flights from Sydney to Cairns
Round-trip economy fares between Sydney (SYD) and Cairns (CNS) average A$288 across the year. Book for March and typical prices fall to A$253. The 1,972 km hop takes about 2.9 hours non-stop, and the nicest window to visit Cairns is June – September (dry season, best Reef visibility).
Today's tracked low
A$243 −4% vs. seasonal low
Not flying from Sydney? See Cairns deals from your nearest hub.
When is the cheapest time to fly from Sydney to Cairns?
Average round-trip economy fare by departure month. March is the statistical sweet spot at A$253.
| Month | Avg. round-trip | vs. yearly average |
|---|---|---|
| January | A$271 | −A$17 |
| February | A$259 | −A$29 |
| March Cheapest | A$253 | −A$35 |
| April | A$276 | −A$12 |
| May | A$300 | +A$12 |
| June | A$334 | +A$46 |
| July | A$351 | +A$63 |
| August | A$340 | +A$52 |
| September | A$317 | +A$29 |
| October | A$300 | +A$12 |
| November | A$265 | −A$23 |
| December | A$282 | −A$6 |
Travel Readiness & Connectivity — Australia
ETA / eVisitor authorisation required before boarding.
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Sydney to Cairns flight FAQs
- What is the cheapest month to fly from Sydney to Cairns?
- March is typically cheapest, with round-trips from A$253 — about A$35 under the yearly average of A$288.
- How long is the flight from Sydney to Cairns?
- Non-stop services cover the 1,972 km route in roughly 2.9 hours.
- When is the best time to visit Cairns?
- June – September (dry season, best Reef visibility). Entry requirements: ETA / eVisitor authorisation required before boarding.