The two-time Olympian capped off her successful winter by retaining the World Cup title in Kazakhstan on Saturday night, just three days after securing gold at the biennial championships.

It's the first time an Australian has held both titles since Alisa Camplin in 2003.

All Peel has left to claim is an Olympic medal, with her next chance coming at the 2022 Beijing Games in February.

In a warning shot to her Olympic rivals, the world No.1 landed the highly difficult back full-full-full jump to claim the world title on Wednesday - being the second time she's done so this season.

The triumph saw her become the first Australian to be crowned world champion twice, having also won gold in 2015.

"It's an incredible feeling, being a world champion once is pretty special but twice is something else," Peel said.

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"Winning it the second time was even harder, my degree of difficulty stepped up quite a bit and it's the year before the Olympics.

"With less than a year to go, you see the level of competition in the men's and women's just step up at the World Championships compared to what we see at the World Cup. It's really cool to see everyone pushing and be part of that.

"It's amazing that everything is going to plan."

Peel laid it all on the line with the triple-twisting back somersault in the championship final, after sitting third after qualification, going on to score 106.46 to take out the win.

The United State's Ashley Caldwell scored 101.47 for the same jump, while Russian Liubov Nikitina round out the podium.

Peel landed the difficult trick for the first time only two months ago, helping her claim silver at the Moscow leg of the World Cup.

"It's really important to be about to do that [jump], gain confidence and build consistency leading into next season," Peel said.

"I'm really pushing myself and not playing it safe. I could not have won [the world title] if I played it safe, so I'm really happy to be out there and seeing how far I can go.

"It was definitely my goal to compete that jump this season. As long as everything was going well on the day, the weather cooperated and I was feeling good - that's what we wanted to do."

Peel topped the World Cup standings with 450 points to be crowned overall champion of aerial skiing for the second time.

Needing to come at least seventh in Almaty to retain the crystal globe, she achieved a score of 62.24 points to finish in the top six.

The 31-year-old Canberran failed to land her triple flip cleanly in the big final, making way for Canada's Marion Thenault to claim the final event - in what was the best result of the 20-year-old's career.

Peel will now return home for the first time in nine months, saying she's excited to relax for a little while before ramping up her preparations for Beijing.

She's also looking forward to training on home soil for the first time, with Brisbane's Sleeman Sports Complex (a water ramp facility) now open for winter athletes to practice all year round.

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