From Brighton, reach Gatwick with frequent Southern or Thameslink trains in around 30 minutes

https://telegra.ph/Central-London-to-Gatwick-Airport-Late-Night-and-Early-Morning-Travel-08-21-2

From Brighton, reach Gatwick with frequent Southern or Thameslink trains in around 30 minutes. Trains are direct, making it an easy option for early flights from the coast.