To get from Lisbon Airport to Lisbon Long distance Coach Station take the following bus which leaves from outside the Arrivals hall:
(Aeroshuttle - Copy of note from current Lisbon Airport website.) Aeroshuttle (CARRIS Nº96) - Available everyday, every 30 minutes between 7am and 11pm, the aeroshuttle connects Gare Oriente - Airport - Entrecampos - Sete Rios Coach Station - Praça de Espanha.
Tickets (3,50€) can be purchased onboard and also in the Tourism Office at arrivals (public area).
Tel. +351 213 582 334)
Transit time about 20 minutes.