LOS ANGELES—After raising some ticket prices for its theme parks by more than 20% over the past five years, Walt Disney Co. will set a new benchmark this week when it offers die-hard fans the chance to attend a six-hour preview of a new attraction at Disneyland—for $299.
Even for fans used to high prices, the $50-an-hour sneak peek at Pixar Pier on Friday, a day before the attraction officially opens, breaks new ground.
“Being...