Durham Tees Valley Airport is an international airport in North East England, located 4.7 NM (8.7 km; 5.4 mi) southeast of Darlington, about 10 mi (16 km) southwest of Middlesbrough and 24 mi (39 km) south of Durham. The airport serves County Durham and parts of North Yorkshire, and is in Middleton St George in the borough of Darlington. Most local residents still refer to it by its previous name, Teesside airport.
Durham Tees Valley Airport is one of the United Kingdom's smaller airports, but offers links to several domestic and European destinations. Originally an RAF Station, the airfield became Teesside International Airport in the 1960s and was renamed Durham Tees Valley Airport in 2004.
Passenger numbers peaked in 2006 when the airport was used by 917,963 passengers, but declined to 224,673 in 2010, the lowest level seen at the airport since 1975. In the first stages of 2011 the airport received a considerable increase in passenger numbers with a 47% increase in January and a 24% increase in February compared to 2010.