Low-cost Qantas first and business class tickets are being sold on accommodation website Airbnb, billed as "cabins in the clouds".
The cheap premium flights can be reserved for AU$20, but then must be paid for in frequent flyer points - which means they're only available to Qantas Frequent Flyer members.
But for those members who have enough points, the savings are substantial.
For example, flying first class from Melbourne to Los Angeles will cost 50,000 Qantas Points for two seats through the Airbnb promotion - normally, this would cost 288,000.
"Stylish, well-appointed one bedroom suite with unparalleled views of the clouds," reads one of the Airbnb listings from host 'Qantas Frequent Flyer'.
"Expansive, comfortable lounge, complete with sommelier and chef. Seamless check-in service."
The fares are hidden on the Airbnb website, meaning travellers will have to hunt them down rather than being able to easily search for them, or find them in a menu.
"Our business and first class suites have all the hallmarks of a typical Airbnb house with comfortable beds, movies, quality cooked meals and experienced friendly hosts," says Qantas Loyalty CEO Olivia Wirth.
"We know our members love to redeem their points on travel, so we're excited to be able to give them new ways to access these rewards."
The promotion launched on Thursday and is set to run for two weeks.