Travel Resorts World Las Vegas announces June opening date. Here’s what to expect April 19, 2021April 19, 2021Ed Komenda, Reno Gazette JournalComments Off on Resorts World Las Vegas announces June opening date. Here’s what to expect The $4.3 billion megaresort, the first to open on the Las Vegas Strip in a decade, is now taking reservations for its more than 3,500 rooms.