- Kartik made this productHi ! Maker of Presto Trip here. There are two reasons why Presto Trip is cool. 1. Cost savings: It offers you the cheapest multi city flights. Our multi city date, route and transport mode optimizations save you typically 35% on your multi city trips, and often much more. We encourage you to compare prices vs. any travel search engines of your choice. 2. Discovery: It lets you explore many possible itineraries for your trip, showing you what each one would cost, including cases where adding cities to your itinerary would actually reduce travel costs.