Advance tickets can be purchased online through Broadwaymusicals.us. Also, theater tickets can be purchased in person from the Opium Theatre at The Cosmopolitan Las Vegas box office. All tickets are subject to service charges. Please note, all transactions at the Opium Theatre at The Cosmopolitan Las Vegas are cashless. All major credit cards and debit cards are accepted including Visa, MasterCard, American Express, Discover, and more. Service charges apply to all orders.