Queenstown economist Benje Patterson said the implications of not securing the workers went beyond the ski areas.
Last year's domestic-only season in the Southern Lakes exceeded 600,000 skier days, injecting about $169 million of visitor spending into the economy, which was enough to support about 3025 seasonal jobs in the Queenstown Lakes alone.
Patterson said if ski areas in Queenstown and Wanaka were able to operate at only 50 per cent capacity, or for only half this winter, the economy could lose $84 million and potentially 1512 seasonal jobs.
"The numbers are pretty sobering for me, particularly as the baseline season (2020) was centred on domestic visitation alone.
"I have not modelled a scenario of additional lost earnings for if the trans-Tasman bubble miraculously opens up in time for the ski season," he said.
The New Zealand ski industry had collaborated on a sustainable workforce strategy, outlining short-term needs and a long-term plan, including the urgent need to approve the travel of the skilled workers.
That strategy had been communicated with the Ministry of Business, Innovation and Employment (MBIE), but SAANZ was still waiting to hear on the status of the "critical" workers.