Watford Junction to Southampton Trains

Watford Junction to Southampton trains

Travel from

Search accommodation with Expedia

Trip Overview

The average train between Watford Junction and Southampton takes 2h 39m and the fastest train takes 2h 3m. There is a train service every few hours from Watford Junction 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 39m
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

£39–88

Watford Junction to Southampton train times

Trains run hourly between Watford Junction and Southampton. The earliest departure is at 5:54 AM in the morning, and the last departure from Watford Junction is at 11:42 PM which arrives into Southampton at 7:00 AM. All services require a transfer, and take on average 2h 39m. The schedules shown below are for the next available departures.

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
Show more

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 Junction 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.