Watford to Portsmouth Trains

Watford to Portsmouth trains

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Trip Overview

The average train between Watford and Portsmouth takes 2h 31m and the fastest train takes 2h 9m. There is an hourly train service from Watford to Portsmouth. 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 31m
Duration: 93 mi
Distance: £39
Average price: Hourly
Frequency

Train via London Euston

best

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

2h 18m

£32–87

Watford to Portsmouth train times

Trains run hourly between Watford and Portsmouth. The earliest departure is at 12:57 AM at night, and the last departure from Watford is at 11:59 PM which arrives into Portsmouth at 7:16 AM. All services require a transfer at London Euston and take an average of 2h 31m. The schedules shown below are for the next available departures.

Departing Wednesday, October 21, 2026

11:53 PM → 7:16 AM
Arrives next day
7h 23m • 2 changes

Departing Thursday, October 22, 2026

5:11 AM → 8:09 AM
2h 57m • 2 changes
6:12 AM → 8:34 AM
2h 22m • 2 changes
6:54 AM → 9:03 AM
2h 9m • 2 changes
7:47 AM → 10:03 AM
2h 15m • 2 changes
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Departing Friday, October 23, 2026

12:57 AM → 7:16 AM
6h 19m • 2 changes
5:11 AM → 8:09 AM
2h 57m • 2 changes
6:12 AM → 8:34 AM
2h 22m • 2 changes
6:54 AM → 9:03 AM
2h 9m • 2 changes
Show more

Departing Saturday, October 24, 2026

4:12 AM → 7:37 AM
3h 25m • 2 changes
5:52 AM → 8:47 AM
2h 55m • 2 changes
6:43 AM → 8:58 AM
2h 15m • 2 changes
7:19 AM → 9:32 AM
2h 13m • 2 changes
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Departing Sunday, October 25, 2026

6:48 AM → 9:54 AM
3h 6m • 2 changes
7:22 AM → 10:00 AM
2h 38m • 2 changes
8:19 AM → 10:55 AM
2h 36m • 2 changes
8:47 AM → 11:54 AM
3h 7m • 2 changes
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Departing Monday, October 26, 2026

5:11 AM → 8:09 AM
2h 57m • 2 changes
6:12 AM → 8:34 AM
2h 22m • 2 changes
6:54 AM → 9:03 AM
2h 9m • 2 changes
7:47 AM → 10:03 AM
2h 15m • 2 changes
Show more

Departing Tuesday, October 27, 2026

5:11 AM → 8:09 AM
2h 57m • 2 changes
6:12 AM → 8:34 AM
2h 22m • 2 changes
6:54 AM → 9:03 AM
2h 9m • 2 changes
7:47 AM → 10:03 AM
2h 15m • 2 changes
Show more

Frequently asked questions

Want to know about travelling from Watford to Portsmouth? 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.