Glasgow Prestwick International Airport is a facility situated north of the town of Prestwick in Ayrshire, Scotland. Although officially called Glasgow Prestwick International Airport because Glasgow, Scotland's largest city, is only 46 km (29 miles) North-East of the airport, most people, particularly locals, refer to it simply as Prestwick Airport. According to the airport's new slogan, it's "Pure Dead Brilliant"! In physical terms, Prestwick remains Scotland's largest commercial airfield, although in passenger traffic terms it sits in third place after Glasgow's main airport, Glasgow International and Edinburgh Airport, both of which are operated by BAA.

On 6th July 2005, Prestwick Airport became the entry point into Scotland for the world's most powerful leaders on the eve of the G8 Summit which was being held in Gleneagles. Strathclyde Police implemented an unprecedented level of security around the airport for the duration of the summit. Officers from police forces throughout the UK were drafted in to assist in the operation, including armed officers. In preparation for the landing of Air Force One, carrying American president George W Bush, the A77, which runs past the end of the main runway, was controversially closed while the aircraft was on final approach.

Holiday airlines operating from Prestwick vary seasonally, but include MyTravel Airways, Britannia Airways, Balkan Holidays and LTE. Flights are normally operated to Spain, Portugal, Bulgaria and the US.

A multimillion pound plan to double the size of the departure lounge has been proposed. Prestwick has pledged to be ready and willing to handle the Airbus A380. A two storey building is being considered to replace the current arrivals and departure halls. One floor would be used for departures and the other for arrivals. It would also raise the amount of aircraft stances from 6 - 12. This process will take 18 months.