AirHint found the following cheapest one-way flights from Ballina Byron Bay (BNK) to Sydney (SYD) in October 2025 (see full year).

One-Way flights

01 Oct	Jetstar	direct
23 Oct	Jetstar	direct
22 Oct	Jetstar	direct
30 Oct	Jetstar	direct
18 Oct	Jetstar	direct
15 Oct	Jetstar	direct
21 Oct	Jetstar	direct
29 Oct	Jetstar	direct
14 Oct	Jetstar	direct
16 Oct	Jetstar	direct

Also check the deals for return flights from Ballina Byron Bay 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 one-way flights from Ballina Byron Bay to Sydney in October from $26

One-Way flights