From Edgware Underground Station Tube to Euston Underground Station, Tube to London Victoria, then train to Gatwick Airport. 1 h 7 min £30. From Edgware, Whitchurch Lane line 251 bus to Mill Hill Broadway then night train to Gatwick Airport. 2 h 37 min £18. From Edgware drive to London Gatwick Airport (LGW). 1 h 5 min £11. From Edgware towncar to London Gatwick Airport. 1 h 5 min £150.