Building a travel booking app like Hopper involves strategic planning, robust features, and innovative technology. Key features include flight and hotel booking, price prediction, real-time notifications, and secure payment options. The process includes market research, selecting the right tech stack, designing a user-friendly interface, and integrating APIs for seamless bookings. Development costs vary based on app complexity, platform, and team expertise, typically ranging from $30,000 to $150,000. Dev Technosys, a trusted app development company, specializes in crafting customized travel apps with advanced features and smooth functionality. Partner with Dev Technosys to create a top-notch travel booking app that stands out.