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

Return flights

15 Oct - 21 Oct	China Southern
20 Oct - 27 Oct	British Airways
23 Oct - 06 Nov	easyJet
08 Oct - 12 Oct	easyJet
31 Oct - 07 Nov	British Airways
28 Oct - 25 Nov	British Airways
27 Oct - 24 Nov	British Airways

Also check the deals for one-way flights from Belfast 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 Belfast to Sydney in October from $966

Return flights