Trenton Mercer Airport, also known as Trenton-Mercer Airport, is a regional airport located in Ewing Township, New Jersey, United States. It serves the Greater Trenton area, including Mercer County and parts of central New Jersey. The airport has a rich history dating back to its establishment in 1929 and has since played a vital role in regional air transportation.
Trenton Mercer Airport features a single terminal building with modern amenities and facilities for passengers. It offers flights primarily operated by Frontier Airlines, which serves as the airport's major carrier, offering both domestic and international destinations. Other airlines such as Allegiant Air and Avelo Airlines also provide services from this airport, albeit with a more limited route network.