Most budget airlines fly into Lisboa and Porto (Easyjet, Ryanair, Air Berlin, German Wings, Vueling, etc.). Casa de Pedra is best reached by car, so the best solution is to hire a car at the airport. Most hire car companies are represented at both airports and cheap deals can be found easily on the internet.

Whether you start your journey in Lisbon or Porto it is worth stopping along the way for a bite to eat - Santarem or Coimbra both loverly cities with plenty of restaurants to choose from.