Jetstar's Mates' Rates Sale is now on until 20th June.
Fares are from $35 one way. Multiple dates available to book during next few months,
While $35 fare is only available for Sydney - Byron route, they do have multiple under $50 fares on sale.
^e.g. Sydney to Ballina Byron. Sale ends 11.59pm AEST Tuesday 20 June 2023, unless sold out prior. Other conditions apply, see below. Travel dates: 23 Jul - 20 Sep and 11 Oct - 12 Dec 2023.