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Portsmouth to Harpenden trains

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Trip Overview

The average train between Portsmouth and Harpenden takes 2h 45m and the fastest train takes 2h 26m. There is an hourly train service from Portsmouth to Harpenden. 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 45m
Duration
100 mi
Distance
£48
Average price
Hourly
Frequency

Train

best
  1. Take the train from Portsmouth & Southsea to London Waterlootrain train Portsmouth Harbour - London Waterloo / ...
2h 15m
£43–72

Portsmouth to Harpenden train times

Trains run hourly between Portsmouth and Harpenden. The earliest departure is at 5:14 AM in the morning, and the last departure from Portsmouth is at 10:36 PM which arrives into Harpenden at 7:13 AM. All services require a transfer at London Waterloo Station and take an average of 2h 45m. The schedules shown below are for the next available departures.

Departing Friday, October 9, 2026

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    South Western RailwayLondon Underground (Tube)Thameslink2h 27m • 2 changes

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    South Western RailwayLondon Underground (Tube)Thameslink2h 40m • 2 changes

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    South Western RailwayLondon Underground (Tube)Thameslink2h 42m • 2 changes

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    South Western RailwayLondon Underground (Tube)Thameslink2h 27m • 2 changes
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Departing Saturday, October 10, 2026

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    South Western RailwayLondon Underground (Tube)Thameslink2h 33m • 2 changes

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    South Western RailwayLondon Underground (Tube)Thameslink2h 42m • 2 changes

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    South Western RailwayLondon Underground (Tube)Thameslink2h 28m • 2 changes

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    South Western RailwayLondon Underground (Tube)Thameslink2h 28m • 2 changes
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Departing Sunday, October 11, 2026

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    South Western RailwayLondon Underground (Tube)Thameslink2h 59m • 2 changes

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    South Western RailwayLondon Underground (Tube)Thameslink2h 46m • 2 changes

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    South Western RailwayLondon Underground (Tube)Thameslink2h 56m • 2 changes

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    South Western RailwayLondon Underground (Tube)Thameslink2h 54m • 2 changes
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Frequently asked questions

Want to know about travelling from Portsmouth to Harpenden? 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.

Map of how to get from Portsmouth to Harpenden.ExpandLaunch map view
  • Distance: 99.7 mi
  • Duration: 2h 45m

What companies run services between Portsmouth, England and Harpenden, England?

South Western Railway operates a train from Portsmouth & Southsea to London Waterloo every 30 minutes. Tickets cost £27–60 and the journey takes 1h 31m.

Operators