Southampton to Watford Trains

Southampton to Watford trains

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Trip Overview

The average train between Southampton and Watford takes 2h 45m and the fastest train takes 2h 5m. There is a train service every few hours from Southampton to Watford. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

2h 45m
Duration: 93 mi
Distance: £42
Average price: Hourly
Frequency

Train

best

Take the train from Southampton Central to Clapham Junctiontrain Southampton Central - London Waterloo / ...
Take the train from Clapham Junction to Watford Junctiontrain East Croydon - Watford Junction / ...

2h 33m

£36–71

Southampton to Watford train times

Trains run hourly between Southampton and Watford. The earliest departure is at 4:49 AM at night, and the last departure from Southampton is at 9:58 PM which arrives into Watford at 5:49 AM. All services require a transfer, and take on average 2h 45m. The schedules shown below are for the next available departures.

Departing Tuesday, October 20, 2026

8:59 PM → 11:25 PM
2h 25m • 1 change
9:58 PM → 5:44 AM
Arrives next day
7h 46m • 1 change

Departing Wednesday, October 21, 2026

4:49 AM → 7:23 AM
2h 34m • 1 change
5:52 AM → 8:20 AM
2h 27m • 1 change
8:00 AM → 10:24 AM
2h 24m • 1 change
9:00 AM → 11:21 AM
2h 21m • 1 change
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Departing Thursday, October 22, 2026

4:49 AM → 7:23 AM
2h 34m • 1 change
5:52 AM → 8:20 AM
2h 27m • 1 change
8:00 AM → 10:24 AM
2h 24m • 1 change
9:00 AM → 11:21 AM
2h 21m • 1 change
Show more

Departing Friday, October 23, 2026

4:49 AM → 7:23 AM
2h 34m • 1 change
5:52 AM → 8:20 AM
2h 27m • 1 change
8:00 AM → 10:24 AM
2h 24m • 1 change
9:00 AM → 11:21 AM
2h 21m • 1 change
Show more

Frequently asked questions

Want to know about travelling from Southampton to Watford? 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.