Legoland Florida will scale back distancing markers to three feet starting May 14.
The rest of the Grand Californian and Disneyland's other two on-site hotels will remain closed.
While the range of ticket prices remains the same for 2022, the average single-day ticket cost will increase slightly.
At full build-out, the $1 billion resort will offer 10,000 bedrooms across a variety of properties.
Travel agents said guests will learn to live without Magical Express when the service ends in 2022.
The $27 million resort will be called Kings Island Camp Cedar, located less than a mile from the park gates.
The 14-story hotel will feature 349 rooms, including 149 suites that offer conference-style seating.
The 2,050-room Dockside Inn & Suites was supposed to open in March.
The open jobs include positions for which SeaWorld had recently permanently laid off furloughed employees.