Nadi, Fiji from Brisbane $474 / Melbourne $610 / Sydney $566 Return on Qantas Airways (various May to Dec) @ FlightScout
Qantas tickets to Fiji include under $500 return from Brisbane(!).
To: NAN (Nadi, Fiji)
When: May to Dec
FF: Qantas Frequent Flyer
Flights from Brisbane: https://www.flightscout.co/au/cheap-flights/brisbane-austral... (note: partly operated by Fiji Airways)
Flights from Sydney: https://www.flightscout.co/au/cheap-flights/sydney-australia... (wholly Qantas operated)
Flights from Melbourne: https://www.flightscout.co/au/cheap-flights/melbourne-austra... (wholly Qantas operated)