The train from Prestwick Airport to Glasgow runs every 30 minutes at 21 and 51 minutes past the hour (hourly on Sundays). The journey takes 50 minutes and the train terminates at Glasgow Central Station.
From Monday through Saturday the first train from Prestwick Airport is at 5:48am and the last train from Prestwick Airport to Glasgow is at 11:08pm.
On Sundays, the first train from Prestwick is at 8:50am and the last train from Prestwick Airport is at 11:07pm.
The train from Prestwick to Glasgow costs 3.55 GBP for a single if you show your boarding pass or flight confirmation. Otherwise it is 7.10 GBP. Tickets can be purchased aboard the train. For the first six months of any new flight route into Prestwick Airport you get free rail travel to and from the airport and Glasgow city center. To do this you will need to get a free voucher from the airport’s service desk by showing your original flight confirmation with the airline logo.