London Underground (Tube) operates a train from Hammersmith to Crawley every 5 minutes. Tickets cost $3 - $5 and the journey takes 23 min. Thameslink also services this route every 20 minutes.
How to get from Hammersmith to Crawley
From Hammersmith (Dist&Picc Line) Underground Station Tube to London Blackfriars then train to Three Bridges. 1 h 19 min £15. From Hammersmith (Dist&Picc Line) Underground Station Tube to London Victoria then train to Crawley. 1 h 25 min £19. From Hammersmith taxi to Crawley. 48 min £138. From Hammersmith drive to Crawley. 48 min £6.