Cheap Flights from Athens to Sydney
Round-trip economy fares between Athens (ATH) and Sydney (SYD) average A$1,717 across the year. Book for June and typical prices fall to A$1,339. The 15,307 km hop takes about 18.6 hours non-stop, and the nicest window to visit Sydney is October – April (southern summer).
Today's tracked low
A$1,192 −11% vs. seasonal low
Not flying from Athens? See Sydney deals from your nearest hub.
When is the cheapest time to fly from Athens to Sydney?
Average round-trip economy fare by departure month. June is the statistical sweet spot at A$1,339.
| Month | Avg. round-trip | vs. yearly average |
|---|---|---|
| January | A$2,095 | +A$378 |
| February | A$1,923 | +A$206 |
| March | A$1,717 | +A$0 |
| April | A$1,580 | −A$137 |
| May | A$1,442 | −A$275 |
| June Cheapest | A$1,339 | −A$378 |
| July | A$1,374 | −A$343 |
| August | A$1,442 | −A$275 |
| September | A$1,648 | −A$69 |
| October | A$1,820 | +A$103 |
| November | A$1,923 | +A$206 |
| December | A$2,163 | +A$446 |
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
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14 days
5 GB data
A$22.00 · A$1.57/day
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30 days
10 GB data
A$33.00 · A$1.10/day
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Athens to Sydney flight FAQs
- What is the cheapest month to fly from Athens to Sydney?
- June is typically cheapest, with round-trips from A$1,339 — about A$378 under the yearly average of A$1,717.
- How long is the flight from Athens to Sydney?
- Non-stop services cover the 15,307 km route in roughly 18.6 hours.
- When is the best time to visit Sydney?
- October – April (southern summer). Entry requirements: ETA / eVisitor authorisation required before boarding.