In 2026, the duration of the train journey from Gatwick Airport to London depends primarily on your choice of service and your specific London destination. The Gatwick Express remains the flagship choice for speed, offering a non-stop journey to London Victoria in exactly 30 minutes. However, many 2026 travelers opt for Thameslink or Southern services, which are often more cost-effective. Thameslink trains connect Gatwick to London Bridge in approximately 29 to 35 minutes, and continue through to Blackfriars, City Thameslink, Farringdon, and St. Pancras International. Southern services also reach London Victoria in about 32 to 35 minutes, though they may include a few intermediate stops. With departures occurring roughly every 15 minutes across various operators, the average traveler can expect to be in the heart of London within 35 minutes of boarding, making Gatwick one of the most accessible international hubs for the UK capital in 2026.