AirHint found the following cheapest return flights from Newcastle (NCL) to Sydney (SYD) in October 2025 (see full year).

Return flights

22 Oct - 12 Nov	British Airways
21 Oct - 18 Nov	British Airways
06 Oct - 28 Oct	China Southern
30 Oct - 27 Nov	British Airways
06 Oct - 10 Oct	Ryanair
03 Oct - 16 Oct	China Southern
24 Oct - 07 Nov	China Southern
01 Oct - 20 Oct	Qantas

Also check the deals for one-way flights from Newcastle to Sydney in October.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Newcastle to Sydney in October from 818€

Return flights