$100 off a Return Flight to/from/within Queensland @ Qantas

Return flights only. Travel period is 16 Jun to 31 Dec 2023. It actually takes $110 off including GST.

An eligible fare is defined as being a Qantas-operated and marketed return flight, flying from anywhere in Australia to Brisbane, Cairns, Hamilton Island, Townsville, Toowoomba, Gold Coast (Coolangatta), Sunshine Coast (Maroochydore), Bundaberg, Fraser Coast (Hervey Bay), Gladstone, Longreach, Mackay, Proserpine or Rockhampton.

For example
Sydney to Gold Coast starts at $128 return after the discount
Melbourne to Gold Coast starts at $148 return after the discount

https://www.qantas.com/au/en.html