The average train between Central London and Southampton takes 2h 6m and the fastest train takes 1h 41m. There is a train service every few hours from Central London to Southampton. 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 Central London and Southampton. The earliest departure is at 12:24 AM at night, and the last departure from Central London is at 11:57 PM which arrives into Southampton at 7:00 AM. All services require a transfer, and take on average 2h 6m. The schedules shown below are for the next available departures.

1h 56m • 1 change

2h • 1 change

1h 57m • 1 change
Arrives next day

2h 11m • 1 change

1h 48m • 1 change

1h 47m • 1 change

1h 43m • 1 change

1h 56m • 1 change

2h 24m • 1 change

2h • 1 change

1h 56m • 1 change

1h 56m • 1 change

2h 31m • 1 change

2h 16m • 1 change

2h 18m • 1 change

2h 17m • 1 change
Want to know about travelling from Central London to Southampton? 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 Central London to Southampton. However, there are services departing from Central London station and arriving at Southampton station via Clapham Junction. The journey, including transfers, takes approximately 2h 6m.
Central London to Southampton train services, operated by South Western Railway, depart from Brentford station.
Central London to Southampton train services, operated by South Western Railway, arrive at Southampton Central station.
Book your Central London to Southampton train tickets online with South Western Railway.
The distance between Central London and Southampton is 100.5 km. The road distance is 131 km.
You can take a train from Brentford to Southampton Central via Clapham Junction in around 1h 57m.