The next Sticker Boom event in Monopoly GO is scheduled for August 26th to August 27th, 2025. This event will last for about 30 minutes and during this time, you can activate a 20-minute Sticker Boom to get 50% more stickers per pack, which helps in completing your album faster and preparing for other events like Golden Blitz. Currently, as of August 23, 2025, a Sticker Boom event is live from August 22, 4:00 PM to August 23, 11:59 AM. The upcoming one after this is on August 26-27, 2025. Sticker Boom events typically happen every 4 to 7 days and last from 12 to 48 hours, often boosting sticker packs for increased rewards.

So for your planning: The next guaranteed chance after the ongoing event is August 26-27, 2025. If you want to make the most out of the event, save your sticker packs and open them during these Sticker Booms for bonus stickers.