Watford to Harpenden Trains

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: £22
Average price: Every 30 minutes
Frequency

Train

best

Take the train from Watford Junction to London Eustontrain Milton Keynes Central - London Euston / ...
Take the train from London St Pancras Intl to Harpendentrain Brighton - Bedford / ...

1h 4m

£17–42

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 12:57 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 Thursday, October 22, 2026

12:57 AM → 2:24 AM
1h 27m • 1 change
4:13 AM → 5:24 AM
1h 11m • 1 change
5:11 AM → 6:11 AM
1h • 1 change
5:13 AM → 6:41 AM
1h 28m • 1 change
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Departing Friday, October 23, 2026

12:25 AM → 1:39 AM
1h 14m • 1 change
12:57 AM → 2:24 AM
1h 27m • 1 change
4:13 AM → 5:24 AM
1h 11m • 1 change
5:11 AM → 6:11 AM
1h • 1 change
Show more

Departing Saturday, October 24, 2026

12:25 AM → 1:39 AM
1h 14m • 1 change
12:56 AM → 2:24 AM
1h 28m • 1 change
4:12 AM → 5:24 AM
1h 12m • 1 change
5:08 AM → 6:08 AM
1h • 1 change
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Departing Sunday, October 25, 2026

12:16 AM → 1:39 AM
1h 23m • 1 change
7:22 AM → 8:43 AM
1h 21m • 1 change
8:19 AM → 9:21 AM
1h 2m • 1 change
8:47 AM → 10:17 AM
1h 30m • 1 change
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Departing Monday, October 26, 2026

12:07 AM → 1:26 AM
1h 19m • 1 change
12:44 AM → 1:47 AM
1h 3m • 1 change
4:13 AM → 5:24 AM
1h 11m • 1 change
5:11 AM → 6:11 AM
1h • 1 change
Show more

Departing Tuesday, October 27, 2026

12:25 AM → 1:39 AM
1h 14m • 1 change
12:55 AM → 2:24 AM
1h 29m • 1 change
4:13 AM → 5:24 AM
1h 11m • 1 change
5:11 AM → 6:11 AM
1h • 1 change
Show more

Departing Wednesday, October 28, 2026

12:25 AM → 1:39 AM
1h 14m • 1 change
12:55 AM → 2:24 AM
1h 29m • 1 change
4:13 AM → 5:24 AM
1h 11m • 1 change
5:11 AM → 6:11 AM
1h • 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.