Cheap Flights from Adelaide to Cairns
Round-trip economy fares between Adelaide (ADL) and Cairns (CNS) average A$297 across the year. Book for March and typical prices fall to A$261. The 2,132 km hop takes about 3.1 hours non-stop, and the nicest window to visit Cairns is June – September (dry season, best Reef visibility).
Today's tracked low
A$248 −5% vs. seasonal low
Not flying from Adelaide? See Cairns deals from your nearest hub.
When is the cheapest time to fly from Adelaide to Cairns?
Average round-trip economy fare by departure month. March is the statistical sweet spot at A$261.
| Month | Avg. round-trip | vs. yearly average |
|---|---|---|
| January | A$279 | −A$18 |
| February | A$267 | −A$30 |
| March Cheapest | A$261 | −A$36 |
| April | A$285 | −A$12 |
| May | A$309 | +A$12 |
| June | A$345 | +A$48 |
| July | A$362 | +A$65 |
| August | A$350 | +A$53 |
| September | A$327 | +A$30 |
| October | A$309 | +A$12 |
| November | A$273 | −A$24 |
| December | A$291 | −A$6 |
Travel Readiness & Connectivity — Australia
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Adelaide to Cairns flight FAQs
- What is the cheapest month to fly from Adelaide to Cairns?
- March is typically cheapest, with round-trips from A$261 — about A$36 under the yearly average of A$297.
- How long is the flight from Adelaide to Cairns?
- Non-stop services cover the 2,132 km route in roughly 3.1 hours.
- When is the best time to visit Cairns?
- June – September (dry season, best Reef visibility). Entry requirements: ETA / eVisitor authorisation required before boarding.