Transportation

Trains

The main railway station is PISA CENTRALE. All trains stop there. There are other two smaller stations, PISA SAN ROSSORE, in the North-West part of the town, where only few (Regional) trains stop and PISA AEROPORTO at the airport. Pisa can be reached from most Italian and European towns via Florence, Turin/Genoa or Rome.

An online timetable of Italian Railways is available here
Orario ferroviario on-line (Italy)

The site below contains train information for all Europe
Orario ferroviario (Europe)

Please note that:

1) On Intercity and Eurostar trains a supplement is due.
2) All tickets and supplements must be stamped before getting on the train at the small yellow stamping machines.

Airports

The closest airport is Galileo Galilei Pisa Airport. There are daily connections with Milano Malpensa, Roma Fiumicino, London, Paris, and some other towns in Italy and in Europe
Pisa International Airport (Galilei)

The Vespucci airport in Firenze has daily connections from several Italian and European towns. It is connected to the center of Florence by buses and taxis.
Florence Airport (Vespucci)

The main railway station Firenze Santa Maria Novella is very close to the bus terminal. The train to Pisa (every 30'-60') takes approximately 1 hour. Another possibility is to go by taxi to the small (and closer) railway station Firenze Rifredi, where almost all trains to Pisa stop.

Other possibilities:

From Genova Airport: reach the railway station Genova Piazza Principe, then take the train (2 hours).

From Roma Fiumicino: take the suburban train to Monterotondo/Fara Sabina (every 15'-30') till Roma Ostiense, where almost all trains of the Pisa-Roma line stop.
There are also direct trains (every 30'-60') to Roma Termini. From Roma Termini or Roma Ostiense you can reach Pisa in approximately 3 hours.

QuickAID (International Airport Directory)

Some Air Travel Companies

Alitalia
Air-One
British Airways
Lufthansa
Virgin Express