Porto Airport is 11km (7 miles) far from the city center (to the north). It is a modern airport that was expanded and refurbished in 2001, and in 2007 won the "3rd Best European Airport" award from Airport Council International.
Metro (subway/tram) from Porto Airport to the City Center
The easiest and cheapest way to get from Porto Airport to the city center is to take the metro (www.metrodoporto.pt). Line E (Violet) connects Airport Station to "Estádio do Dragão" Station, and, naturally, to all metro’s network ("Trindade" station connects all the network). The access to the Metro Station from the interior of the Airport is extremely simple and practical, being fully signalled.
The occasional Andante title required for travelling between the Airport Station and Porto city center is a Z4. The journey to the city center takes about 30 minutes and a single fare is €1.95. For the fisrt time, you must buy the card (reusable) that costs €0,60. In the Andante shop, located at the arrivals zone of the Airport, you can also buy the Andante Tour, an unlimited and intermodal title valid for 1 or 3 days. Check the page http://esnporto.org/transports-porto if you want to know more about the metro network.
This video will show you the easiest and cheapest way to get from the Porto Airport to the city center:
Bus from the Airport to Porto's downtown:
There are regular bus connections (tel: 22 615 8158; www.stcp.pt) to the city center (buses 601, 602, 604 and 3M night bus serve the airport). A single fare is €1.90.
Taxis (tel: 22 535 3350/9; www.antral.pt) are available 24 hours a day from outside Arrivals. A 20% surcharge is payable at weekends, on public holidays and between 21:00 and 06:00. Taxi, should cost between 15 and 20 euros and take between 20 and 30 minutes.