As the world's number one travel agency to Australia, Flight Centre has seen high demand for the new service and has already sold enough seats to fill one and a half Qantas 787 Dreamliners before the flight has launched.
The new route from the West Australian capital to London shaves several hours off the journey for those departing Perth.
He said the specially crafted food items were bland and "ordinary", but admitted the flight was 'good, quicker than I thought'.
While some were mostly upset that the non-stop flight meant no cigarettes.
This weekend saw the inaugural #Flight for Qantas new non-stop flight and the first ever non-stop flight between Australia and Europe.More news: Match recaps: WGC-Dell Technologies Match Play, Day 5
Speaking at an event ahead of the inaugural flight, he said the earliest Qantas flights between Australia and the United Kingdom - known as the "kangaroo route" - had taken four days and involved seven stops.
A decision on which manufacturer will receive the order still has to be made, with first flights planned for taking off in 2022.
The average business-class ticket from Hong Kong to NY on non-stop flights with Cathay and United costs $8,600, compared with $7,200 on one-stop options, according to Carlson Wagonlit data, with Qantas achieving a $1,600 premium to rivals on Perth-London flights.
A direct route between London Heathrow and Perth has become the world's second longest by distance after it opened over the weekend.
For travellers coming to Perth from Melbourne, however, the total time saving for the journey to Heathrow is only about one hour.More news: USA stocks open lower after Fed's rate-hike decision
On board Saturday night was one female pilot, Captain Lisa Norman.
"It has more business class and premium economy seats than we've ever put on an aircraft and we're filling them", Mr Joyce said.
The aircraft boasts a number of advantages over other models, including lower cabin noise, larger windows, improved air quality and technology to reduce turbulence.
Qantas worked with the University of Sydney and consulting chef Neil Perry to create a menu that helps the body cope better with jetlag.
Qantas says its must prove the financial viability of its historic non-stop Perth to London service before the airline adds new destinations to its fledgling ultra-long haul network.More news: Far southwestern Wisconsin to be hit with late night winter storm
"We're extremely happy with the way customers are responding to the aircraft", Philip Capps, head of customer product and service development, told Australian Aviation on Friday.
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