Cheap Flights from Bangkok to Sydney
Round-trip economy fares between Bangkok (BKK) and Sydney (SYD) average A$835 across the year. Book for June and typical prices fall to A$651. The 7,515 km hop takes about 9.4 hours non-stop, and the nicest window to visit Sydney is October – April (southern summer).
Today's tracked low
A$553 −15% vs. seasonal low
Not flying from Bangkok? See Sydney deals from your nearest hub.
When is the cheapest time to fly from Bangkok to Sydney?
Average round-trip economy fare by departure month. June is the statistical sweet spot at A$651.
| Month | Avg. round-trip | vs. yearly average |
|---|---|---|
| January | A$1,019 | +A$184 |
| February | A$935 | +A$100 |
| March | A$835 | +A$0 |
| April | A$768 | −A$67 |
| May | A$701 | −A$134 |
| June Cheapest | A$651 | −A$184 |
| July | A$668 | −A$167 |
| August | A$701 | −A$134 |
| September | A$802 | −A$33 |
| October | A$885 | +A$50 |
| November | A$935 | +A$100 |
| December | A$1,052 | +A$217 |
Travel Readiness & Connectivity — Australia
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30 days
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A$33.00 · A$1.10/day
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Bangkok to Sydney flight FAQs
- What is the cheapest month to fly from Bangkok to Sydney?
- June is typically cheapest, with round-trips from A$651 — about A$184 under the yearly average of A$835.
- How long is the flight from Bangkok to Sydney?
- Non-stop services cover the 7,515 km route in roughly 9.4 hours.
- When is the best time to visit Sydney?
- October – April (southern summer). Entry requirements: ETA / eVisitor authorisation required before boarding.