Watford to Southampton Trains

Watford to Southampton trains

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Trip Overview

The average train between Watford and Southampton takes 2h 37m and the fastest train takes 2h 3m. There is a train service every few hours from Watford 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.

2h 37m
Duration: 93 mi
Distance: £46
Average price: Hourly
Frequency

Train

best

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

2h 20m

£39–89

Watford to Southampton train times

Trains run hourly between Watford and Southampton. The earliest departure is at 5:54 AM in the morning, and the last departure from Watford is at 11:42 PM which arrives into Southampton at 7:00 AM. All services require a transfer, and take on average 2h 37m. The schedules shown below are for the next available departures.

Departing Monday, August 10, 2026

12:56 PM → 3:21 PM
2h 25m • 1 change
1:52 PM → 4:21 PM
2h 29m • 1 change
2:52 PM → 5:21 PM
2h 29m • 1 change
5:52 PM → 8:20 PM
2h 28m • 1 change
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Departing Tuesday, August 11, 2026

5:54 AM → 7:57 AM
2h 3m • 1 change
6:52 AM → 9:21 AM
2h 29m • 1 change
7:39 AM → 10:21 AM
2h 42m • 1 change
8:52 AM → 11:21 AM
2h 29m • 1 change
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Departing Wednesday, August 12, 2026

5:54 AM → 7:57 AM
2h 3m • 1 change
6:52 AM → 9:21 AM
2h 29m • 1 change
7:39 AM → 10:21 AM
2h 42m • 1 change
8:52 AM → 11:21 AM
2h 29m • 1 change
Show more

Departing Thursday, August 13, 2026

5:54 AM → 7:57 AM
2h 3m • 1 change
6:52 AM → 9:21 AM
2h 29m • 1 change
7:39 AM → 10:21 AM
2h 42m • 1 change
8:52 AM → 11:21 AM
2h 29m • 1 change
Show more

Frequently asked questions

Want to know about travelling from Watford 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.