Portsmouth to Hertford Trains

Portsmouth to Hertford trains

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Trip Overview

The average train between Portsmouth and Hertford takes 3h 45m and the fastest train takes 3h 26m. There is an hourly train service from Portsmouth to Hertford. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

3h 45m
Duration: 108 mi
Distance: £65
Average price: Hourly
Frequency

Train

best

Take the train from Portsmouth & Southsea to Horshamtrain Portsmouth Harbour - Horsham / ...
Take the train from Horsham to Finsbury Parktrain Horsham - Peterborough / ...

3h 52m

£55–112

Portsmouth to Hertford train times

Trains run hourly between Portsmouth and Hertford. The earliest departure is at 5:32 AM in the morning, and the last departure from Portsmouth is at 10:09 PM which arrives into Hertford at 7:36 AM. All services require a transfer at Horsham and take an average of 3h 45m. The schedules shown below are for the next available departures.

Departing Friday, August 14, 2026

6:33 PM → 10:06 PM
3h 33m • 2 changes
7:08 PM → 10:36 PM
3h 28m • 2 changes
7:33 PM → 11:06 PM
3h 33m • 2 changes
8:08 PM → 11:36 PM
3h 28m • 2 changes
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Departing Saturday, August 15, 2026

6:08 AM → 9:36 AM
3h 28m • 2 changes
6:33 AM → 10:06 AM
3h 33m • 2 changes
7:08 AM → 10:36 AM
3h 28m • 2 changes
7:33 AM → 11:06 AM
3h 33m • 2 changes
Show more

Departing Sunday, August 16, 2026

7:52 AM → 7:41 AM
Arrives next day
23h 49m • 2 changes

Departing Monday, August 17, 2026

5:32 AM → 9:10 AM
3h 38m • 2 changes
6:08 AM → 9:40 AM
3h 32m • 2 changes
6:33 AM → 10:10 AM
3h 37m • 2 changes
7:32 AM → 11:06 AM
3h 34m • 2 changes
Show more

Frequently asked questions

Want to know about travelling from Portsmouth to Hertford? 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.