Kudy k Blue Lime Apartment, Bairro Alto, Lisbon

From the Airport - you can easily pick a taxi to Bairro Alto (15 Euro - with luggage); Do you prefer public transports? Pick a bus (2 Euro) to the near subway station and then go straight to the Baixa-Chiado exit (2 Euro). Or pick Aeroshutle Bus (3,5 Euro). In 20/30min you're there.

From the Train Station (Santa Apolonia) - subway station until the Baixa-Chiado exit plus 2min walking. You're there.