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Watford to Harpenden trains

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Trip Overview

The average train between Watford and Harpenden takes 1h 2m and the fastest train takes 48 min. The train runs at least 2 times per hour from Watford 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.

1h 2m
Duration
42 mi
Distance
£24
Average price
Every 30 minutes
Frequency

Watford to Harpenden train times

Trains run every 30 minutes between Watford and Harpenden. The earliest departure is at 12:07 AM at night, and the last departure from Watford is at 11:54 PM which arrives into Harpenden at 12:59 AM. All services require a transfer at London Euston and take an average of 1h 2m. The schedules shown below are for the next available departures.

Departing Wednesday, November 11, 2026

  •  → 

    Caledonian SleeperThameslink52 min • 1 change
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    West Midlands TrainsThameslink50 min • 1 change
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    Avanti West CoastThameslink48 min • 1 change
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    West Midlands TrainsThameslink48 min • 1 change
  • Show more

Departing Thursday, November 12, 2026

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    West Midlands TrainsThameslink1h 14m • 1 change
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    Avanti West CoastThameslink1h 29m • 1 change
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    West Midlands TrainsThameslink1h 11m • 1 change
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    West Midlands TrainsThameslink1h • 1 change
  • Show more

Departing Friday, November 13, 2026

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    West Midlands TrainsThameslink1h 14m • 1 change
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    Avanti West CoastThameslink1h 29m • 1 change
  •  → 

    West Midlands TrainsThameslink1h 11m • 1 change
  •  → 

    West Midlands TrainsThameslink1h • 1 change
  • Show more

Departing Saturday, November 14, 2026

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    West Midlands TrainsThameslink1h 14m • 1 change
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    Avanti West CoastThameslink1h 28m • 1 change
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    West Midlands TrainsThameslink1h 12m • 1 change
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    West Midlands TrainsThameslink1h • 1 change
  • Show more

Departing Sunday, November 15, 2026

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    West Midlands TrainsThameslink1h 23m • 1 change
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    West Midlands TrainsThameslink1h 21m • 1 change
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    West Midlands TrainsThameslink1h 2m • 1 change
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    West Midlands TrainsThameslink1h 30m • 1 change
  • Show more

Departing Monday, November 16, 2026

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    Avanti West CoastThameslink1h 19m • 1 change
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    Avanti West CoastThameslink1h 3m • 1 change
  •  → 

    West Midlands TrainsThameslink1h 11m • 1 change
  •  → 

    West Midlands TrainsThameslink1h • 1 change
  • Show more

Departing Tuesday, November 17, 2026

  •  → 

    West Midlands TrainsThameslink1h 14m • 1 change
  •  → 

    Avanti West CoastThameslink1h 29m • 1 change
  •  → 

    West Midlands TrainsThameslink1h 11m • 1 change
  •  → 

    West Midlands TrainsThameslink1h • 1 change
  • Show more

Frequently asked questions

Want to know about travelling from Watford 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 Watford to Harpenden.ExpandLaunch map view
  • Distance: 42.2 mi
  • Duration: 1h 2m

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

You can take a train from Watford Junction to Harpenden via London Euston and London St Pancras Intl in around 1h 5m.

Operators