The name of where you wish to go on a piece of paper will usually guarantee your being directed there. These buses run every 20 minutes from 07.00 to 21.00. Keep this ticket because you can use it on all other public buses, trams and funiculars for the rest of the day. If there are a number of you travelling together, taxis are not expensive and the hotels we are staying in are towards the aeroporto side of Lisboa. You will probably be better exploring these once you have settled in.
All fares are flat rate.
By train Lisboa has several railway station, most international travellers will arrive at Santa Apolonia or the new Gare do Oriente at the EXPO site. Both have information offices and taxis available. A Metro link was in the course of construction, check if it is finished. Either the A8 or A1 would make convenient entrance points. The University itself lies in the triangle formed at the western junction of Combatentes with Av.