Glasgow International Airport is 16km west of the city, and Glasgow Prestwick Airport 48km southwest of Glasgow. Many budget airlines fly from Prestwick Airport to London Stanstead Airport. There are buses every 10 or 15 minutes from Glasgow International Airport to Buchanan bus station. There are taxis available at both airports.
All long-distance coaches arrive and depart from Buchanan Bus Station. Buses from London are very competitive with a variety of lines available. Prices and the duration of the journeys vary. There's a daily direct overnight bus from Heathrow Airport to Glasgow, usually departing late evening.
As a general rule, Glasgow Central Train Station serves Southern Scotland, England and Wales, and Queen St Train Station serves the north and east. There are buses every 10 minutes between them. From London's Euston station there are up to seven direct trains a day (5 hour journey). They are much faster and more comfortable than the bus. There are also up to seven direct services from London King's Cross. Purchase a Freedom of Scotland travelpass or a Highland Rover pass if you plan to travel extensively around Scotland by train.
The best way to get between Glasgow's city centre and the West End is to use the Underground. The service is easy to use: there's a flat fare or you can buy a day ticket. The main city stations are Buchanan Street (connected to Queen Street train station by a moving walkway) and St Enoch. Hillhead station is in the heart of the West End, near the university. Bus travel around the city is often confusing. The Travel Centre on St Enoch's Square provides information on travel passes and timetables.