Humberto Delgado Airport, also called Lisbon Airport or Portela Airport, is the largest Portuguese airport in terms of number of passengers, and also the one with the highest volume of traffic. The distance to Setúbal is around 40 km.
Humberto Delgado Airport
Alameda das Comunidades Portuguesas, 1700-111 Lisbon
Phone: +351 (218)413 500
https://www.aeroportolisboa.pt/pt/lis/home