It marks the second time Qantas has had to move its date, after initially planning to fly from 1 July to 22 of its 25 destinations such as Los Angeles, London.
The flag carrier has been using its 787 Dreamliners for the missions, which have a capacity to carry around 170 passengers each, meaning 17,000 more stranded Australians can return.
The business said it would use its Embraer E190 and the Bombardier Q400s, which output comparatively low carbon emissions.
Treasurer Josh Frydenburg’s address contained no new major announcements for aviation, but revealed domestic routes have already returned to 70 per cent of pre-COVID levels.
It follows the success of a number of scenic flights launched by the airline in the last six months, including its ‘Great Southern Land’ trip and a series of flights to mystery locations.
The airline made the announcement alongside revealing its demand is back to 60 per cent of pre-COVID levels and suggesting the business expects to break even during FY2021.