This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $661 fare is the cheapest current round-trip from Sydney (SYD) to BJS on HX flight HX18, departing 2026-08-07 at 11:05 with return on 2026-08-16.

Clicking "Book this flight" opens Kiwi.com with this exact flight pre-filtered — same airline, same dates, same passenger count.