The average train between Southampton and Watford Junction takes 2h 7m and the fastest train takes 1h 53m. There is an hourly train service from Southampton to Watford Junction. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run hourly between Southampton and Watford Junction. The earliest departure is at 5:11 AM in the morning, and the last departure from Southampton is at 11:00 PM which arrives into Watford Junction at 7:14 AM. All services require a transfer at London Waterloo Station and take an average of 2h 7m. The schedules shown below are for the next available departures.


1h 58m • 2 changes

1h 59m • 2 changes

1h 58m • 2 changes

1h 59m • 2 changes

2h 18m • 2 changes

2h 31m • 2 changes

1h 58m • 2 changes

1h 58m • 2 changes

2h 41m • 2 changes

2h 40m • 2 changes

2h 40m • 2 changes

2h 9m • 2 changesWant to know about travelling from Southampton to Watford Junction? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from Southampton to Watford Junction. However, there are services departing from Southampton station and arriving at Watford Junction station via London Waterloo. The journey, including transfers, takes approximately 2h 7m.
Southampton to Watford Junction train services, operated by South Western Railway, depart from Southampton Central station.
Southampton to Watford Junction train services, operated by South Western Railway, arrive at London Waterloo station.
Book your Southampton to Watford Junction train tickets online with South Western Railway, London Underground (Tube) and 3 other operators.
The distance between Southampton and Watford Junction is 109.7 km. The road distance is 158 km.
South Western Railway operates a train from Southampton Central to London Waterloo every 30 minutes. Tickets cost £30–70 and the journey takes 1h 19m.