More than 20 low cost airlines now fly from Portuguese airports, and this number continues to grow. As of the 28th of this month, Lisbon airport will be host to 12 low-cost airlines, and Oporto will introduce new companies and new routes.
Eight low-cost companies currently operate from Oporto, which will soon be connected to Milan (Malpensa) courtesy of new-introduction Volareweb.com, and three new routes, to Stockholm, Pisa and Valencia, will also soon be available through Ryanair.
Lisbon will be expanding its routes with the arrival of its newest low-cost airline SkyEurope, which will be flying to Vienna, as well as introducing a new route to Seville, as of December, courtesy of Spanish company Vueling.
source: News Online