The average train between Southampton and Brentford takes 2h 2m and the fastest train takes 1h 40m. There is a train service every few hours from Southampton to Brentford. 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 Brentford. The earliest departure is at 4:49 AM at night, and the last departure from Southampton is at 11:00 PM which arrives into Brentford at 8:20 AM. All services require a transfer, and take on average 2h 2m. The schedules shown below are for the next available departures.

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1h 54m • 1 changeWant to know about travelling from Southampton to Brentford? 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 Brentford. However, there are services departing from Southampton Central station and arriving at Syon Lane station via Clapham Junction station. The journey, including transfers, takes approximately 2h 2m.
Southampton to Brentford train services, operated by South Western Railway, depart from Southampton Central station.
Southampton to Brentford train services, operated by South Western Railway, arrive at Syon Lane station.
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The distance between Southampton and Brentford is 99.4 km. The road distance is 112 km.
You can take a train from Southampton Central to Syon Lane via Clapham Junction in around 1h 49m.