Cheap Flights from Cairns to Adelaide
Round-trip economy fares between Cairns (CNS) and Adelaide (ADL) average A$297 across the year. Book for June and typical prices fall to A$232. The 2,132 km hop takes about 3.1 hours non-stop, and the nicest window to visit Adelaide is March (festival season) & September – November.
Today's tracked low
A$220 −5% vs. seasonal low
Not flying from Cairns? See Adelaide deals from your nearest hub.
When is the cheapest time to fly from Cairns to Adelaide?
Average round-trip economy fare by departure month. June is the statistical sweet spot at A$232.
| Month | Avg. round-trip | vs. yearly average |
|---|---|---|
| January | A$362 | +A$65 |
| February | A$333 | +A$36 |
| March | A$315 | +A$18 |
| April | A$279 | −A$18 |
| May | A$249 | −A$48 |
| June Cheapest | A$232 | −A$65 |
| July | A$238 | −A$59 |
| August | A$249 | −A$48 |
| September | A$279 | −A$18 |
| October | A$303 | +A$6 |
| November | A$327 | +A$30 |
| December | A$374 | +A$77 |
Travel Readiness & Connectivity — Australia
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Cairns to Adelaide flight FAQs
- What is the cheapest month to fly from Cairns to Adelaide?
- June is typically cheapest, with round-trips from A$232 — about A$65 under the yearly average of A$297.
- How long is the flight from Cairns to Adelaide?
- Non-stop services cover the 2,132 km route in roughly 3.1 hours.
- When is the best time to visit Adelaide?
- March (festival season) & September – November. Entry requirements: ETA / eVisitor authorisation required before boarding.