WhateverTrips
WhateverTrips helps you plan a multi-city trip in Europe. Search a flight, pick it, then find the next leg from where you land. The trip planner suggests routes from a start city, dates, city count and countries. Ready theme routes include the Imperial Loop, the Balkans, Iberia, the Mediterranean, Beer Run and Wine Tour. Prices are one-way per person in EUR, from airline websites, including Ryanair, easyJet and Vueling. The final price on the booking site can be higher. Free, no account needed.