Luton Airport Parkway railway station is on the Midland Main Line in England, serving south Luton and Luton Airport in Bedfordshire. The station is situated in Luton's Park Town district, being 29.27 miles (47.11 km) from London St Pancras between Harpenden to the south and Luton to the north. Its three-letter station code is LTN, also the IATA code for the airport.

Thameslink is a mainline route on the British railway network, running from Bedford, Luton, St Albans City, Peterborough, Welwyn Garden City, London Blackfriars and Cambridge via central London to Sutton, Orpington, Sevenoaks, Rainham, Horsham, Three Bridges, Brighton and East Grinstead. The network opened as a through service in 1988, with severe overcrowding by 1998, carrying more than 28,000 passengers in the morning peak. All the services are currently operated by Govia Thameslink Railway. Parts of the network, from Bedford to Three Bridges, run 24 hours a day, except on early Sunday mornings and during maintenance periods.