Great Western Railway operates a train from Reading to Brighton hourly. Tickets cost $30 - $55 and the journey takes 1 h 15 min. Gatwick Express also services this route every 30 minutes. Alternatively, RailAir operates a bus from Reading to Brighton every 15 minutes. Tickets cost $11 and the journey takes 50 min. National Express also services this route hourly.
From Reading train to Gatwick Airport then train to Brighton. 1 h 54 min £50. From Reading train to Clapham Junction then train to Brighton. 2 h 27 min £39. From Reading Town Centre, Reading RailAir (Adj Reading Station RailAir) bus to Heathrow Airport London then bus to Brighton. 4 h 8 min £29. From Reading drive to Brighton. 1 h 28 min £15.