The event Helloween will take place at O2 Arena Prague on Friday 24 October 2025 in the city of Prague in Czech Republic with Helloween. O2 Arena Prague is a 18,000-capacity venue and was inaugurated 21 years ago in 2004. Find on this page all information you need (artists, venue, prices, accommodations...) and ticket sales websites selling tickets for this event and choose the one you are interested in!