Portsmouth to Watford Trains

Portsmouth to Watford trains

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Trip Overview

The average train between Portsmouth and Watford takes 2h 38m and the fastest train takes 2h 3m. There is an hourly train service from Portsmouth 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 38m
Duration: 93 mi
Distance: £41
Average price: Hourly
Frequency

Train

best

Take the train from Portsmouth & Southsea to London Waterlootrain Portsmouth Harbour - London Waterloo / ...

2h 3m

£32–83

Portsmouth to Watford train times

Trains run hourly between Portsmouth and Watford. The earliest departure is at 4:31 AM at night, and the last departure from Portsmouth is at 10:37 PM which arrives into Watford at 1:57 AM. All services require a transfer at London Waterloo Station and take an average of 2h 38m. The schedules shown below are for the next available departures.

Departing Thursday, October 22, 2026

8:36 PM → 11:15 PM
2h 39m • 2 changes
9:36 PM → 12:29 AM
Arrives next day
2h 53m • 2 changes
10:35 PM → 1:57 AM
Arrives next day
3h 22m • 2 changes

Departing Friday, October 23, 2026

4:31 AM → 7:12 AM
2h 41m • 2 changes
5:23 AM → 8:10 AM
2h 47m • 2 changes
5:46 AM → 8:23 AM
2h 37m • 2 changes
6:15 AM → 8:38 AM
2h 23m • 2 changes
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Departing Saturday, October 24, 2026

5:14 AM → 7:29 AM
2h 15m • 2 changes
5:35 AM → 8:12 AM
2h 37m • 2 changes
6:19 AM → 8:37 AM
2h 18m • 2 changes
6:49 AM → 8:58 AM
2h 9m • 2 changes
Show more

Departing Sunday, October 25, 2026

6:48 AM → 9:34 AM
2h 46m • 2 changes
7:47 AM → 10:34 AM
2h 47m • 2 changes
8:53 AM → 11:34 AM
2h 41m • 2 changes
9:50 AM → 12:36 PM
2h 45m • 2 changes
Show more

Departing Monday, October 26, 2026

4:31 AM → 7:12 AM
2h 41m • 2 changes
5:23 AM → 8:10 AM
2h 47m • 2 changes
5:46 AM → 8:23 AM
2h 37m • 2 changes
6:15 AM → 8:38 AM
2h 23m • 2 changes
Show more

Departing Tuesday, October 27, 2026

4:31 AM → 7:12 AM
2h 41m • 2 changes
5:23 AM → 8:10 AM
2h 47m • 2 changes
5:46 AM → 8:23 AM
2h 37m • 2 changes
6:15 AM → 8:38 AM
2h 23m • 2 changes
Show more

Departing Wednesday, October 28, 2026

4:31 AM → 7:12 AM
2h 41m • 2 changes
5:23 AM → 8:10 AM
2h 47m • 2 changes
5:46 AM → 8:23 AM
2h 37m • 2 changes
6:15 AM → 8:38 AM
2h 23m • 2 changes
Show more

Frequently asked questions

Want to know about travelling from Portsmouth 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.