You will arrive to Humberto Delgado Airport.
To get to the city center or NovaIMS surroundings, you can use:
-Metro near NovaIMS: Sao Sebastião Station, Red line from the airport
-Uber, Bolt - ask where to get them, normally on the parking bellow Terminal1
-Taxi - make sure they have the taxi light above
-Bus (ex: Carris 744) - if you have time - to Restauradores or Marquês de Pombal runabout.
If arriving by car from Spain then A5/A2, you can use either one of the two bridges, Ponte 25 de Abril, or Ponte Vasco da Gama to get to the city center
The are two main entries. To go to NovaIMS, just go around the old College building.
Link to the map:
https://www.novaims.unl.pt/pt/a-nova-ims/campus-universitario/mapa-campus/