Taking the train from Porto to Lisbon is widely considered the best way to travel between Portugal's two largest cities in 2026. The high-speed Alfa Pendular (AP) train connects the two in just 2 hours and 50 minutes, offering a smooth, scenic journey through the Portuguese countryside with free Wi-Fi and power outlets at every seat. Alternatively, the Intercidades (IC) train is slightly slower (about 3 hours and 20 minutes) but offers lower fares, often starting around €25-€30. When you factor in the time required for airport security and transit to the outskirts, the train is significantly faster and more convenient than flying. It also beats driving, as it avoids the stress of city traffic and expensive parking in Lisbon's historic districts. Both the Campanhã station in Porto and the Oriente or Santa Apolónia stations in Lisbon are centrally located and well-integrated with local subways and buses. For travelers seeking a balance of efficiency, comfort, and a chance to see the landscape without the hassle of a rental car, the train is unequivocally "worth it."