Here’s some information to help you get to and around your beach accommodation in Wilmington more easily: To get to Wilmington, book a flight to Philadelphia Intl. Airport (PHL), the closest major airport, which is located 18.6 mi (29.9 km) from the city center. To explore the surrounding area, ride one of the trains from Wilmington Station or Wilmington, DE (ZWI-Wilmington Train Station).