The most efficient and popular way to move from Lisbon to Sintra in 2026 is via the CP (Comboios de Portugal) regional train, which departs every 20 minutes from Rossio Station in central Lisbon or Oriente Station near the airport. The journey takes approximately 40 minutes and costs roughly €2.30 to €5.00 each way, depending on your ticket type. Upon arrival at the Sintra station, you will likely need to take the 434 "Circuito da Pena" bus, which loops between the town center, the Moorish Castle, and the Pena Palace, as the walk to the palaces is a steep, hour-long uphill climb. While you can take a taxi or Uber (approx. €25–€40), it is often slower due to Sintra's extremely narrow, one-way roads and severe parking restrictions in the historic zone. For a more adventurous "last mile," many travelers opt for electric tuk-tuks or e-bikes found outside the station. Pro tip for 2026: buy a "Navegante" card at any Lisbon metro station and load it with "Zapping" credit to skip the long ticket lines at Rossio.