Portsmouth to Dunstable Trains

Portsmouth to Dunstable trains

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Trip Overview

The average train between Portsmouth and Dunstable takes 2h 57m and the fastest train takes 2h 40m. There is an hourly train service from Portsmouth to Dunstable. 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 57m
Duration: 108 mi
Distance: £54
Average price: Hourly
Frequency

Train

best

Take the train from Portsmouth & Southsea to London Waterlootrain Portsmouth Harbour - London Waterloo / ...
Take the train from West Hampstead Thameslink to Leagravetrain Brighton - Bedford / ...

2h 32m

£50–78

Portsmouth to Dunstable train times

Trains run hourly between Portsmouth and Dunstable. The earliest departure is at 4:31 AM at night, and the last departure from Portsmouth is at 11:22 PM which arrives into Dunstable at 7:27 AM. All services require a transfer at London Waterloo Station and take an average of 2h 57m. The schedules shown below are for the next available departures.

Departing Tuesday, November 3, 2026

1:35 PM → 4:31 PM
2h 56m • 2 changes
2:19 PM → 5:01 PM
2h 41m • 2 changes
2:35 PM → 5:31 PM
2h 56m • 2 changes
4:35 PM → 7:31 PM
2h 56m • 2 changes
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Departing Wednesday, November 4, 2026

4:31 AM → 7:31 AM
3h • 2 changes
7:18 AM → 10:01 AM
2h 43m • 2 changes
8:21 AM → 11:01 AM
2h 40m • 2 changes
8:35 AM → 11:31 AM
2h 56m • 2 changes
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Departing Thursday, November 5, 2026

4:31 AM → 7:31 AM
3h • 2 changes
7:18 AM → 10:01 AM
2h 43m • 2 changes
8:21 AM → 11:01 AM
2h 40m • 2 changes
8:35 AM → 11:31 AM
2h 56m • 2 changes
Show more

Departing Friday, November 6, 2026

4:31 AM → 7:31 AM
3h • 2 changes
7:18 AM → 10:01 AM
2h 43m • 2 changes
8:21 AM → 11:01 AM
2h 40m • 2 changes
8:35 AM → 11:31 AM
2h 56m • 2 changes
Show more

Departing Saturday, November 7, 2026

5:14 AM → 8:01 AM
2h 47m • 2 changes
5:35 AM → 8:31 AM
2h 56m • 2 changes
6:19 AM → 9:01 AM
2h 42m • 2 changes
6:49 AM → 9:31 AM
2h 42m • 2 changes
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Departing Sunday, November 8, 2026

6:48 AM → 10:01 AM
3h 13m • 2 changes
7:47 AM → 10:47 AM
3h • 2 changes
8:37 AM → 11:47 AM
3h 10m • 2 changes
8:53 AM → 12:01 PM
3h 8m • 2 changes
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Departing Monday, November 9, 2026

4:31 AM → 7:31 AM
3h • 2 changes
7:18 AM → 10:01 AM
2h 43m • 2 changes
8:21 AM → 11:01 AM
2h 40m • 2 changes
8:35 AM → 11:31 AM
2h 56m • 2 changes
Show more

Frequently asked questions

Want to know about travelling from Portsmouth to Dunstable? 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.