AirHint found the following cheapest return flights from Ballina Byron Bay (BNK) to Sydney (SYD) in December 2025 (see full year).

Return flights

11 Dec - 15 Dec	Jetstar	direct
12 Dec - 17 Dec	Jetstar	direct
15 Dec - 18 Dec	Jetstar	direct
19 Dec - 21 Dec	Jetstar	direct
21 Dec - 25 Dec	Virgin Australia	direct
18 Dec - 28 Dec	Jetstar	direct
12 Dec - 12 Dec	Qantas	direct
29 Dec - 02 Jan	Virgin Australia	direct
06 Dec - 04 Jan	Virgin Australia	direct
21 Dec - 27 Dec	Jetstar	direct

Also check the deals for one-way flights from Ballina Byron Bay to Sydney in December.

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 Ballina Byron Bay to Sydney in December from $96

Return flights