Humberto Delgado Airport, informally Lisbon Airport and previously Portela Airport, is an international airport located seven kilometres northeast of the city centre of Lisbon, Portugal. With around 34 million passengers/year, it is the 12th-largest airport in Europe in terms of passenger volume, and the busiest single-runway airport in mainland Europe. It also carries appr…Humberto Delgado Airport, informally Lisbon Airport and previously Portela Airport, is an international airport located seven kilometres northeast of the city centre of Lisbon, Portugal. With around 34 million passengers/year, it is the 12th-largest airport in Europe in terms of passenger volume, and the busiest single-runway airport in mainland Europe. It also carries approximately 200,000 tonnes of cargo per year.