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St Pancras to Portsmouth trains

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Trip Overview

The average train between St Pancras and Portsmouth takes 1h 57m and the fastest train takes 1h 42m. The train runs at least 2 times per hour from St Pancras to Portsmouth. 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 57m
Duration
75 mi
Distance
£31
Average price
Every 30 minutes
Frequency

Train

best
  1. Take the train from London Waterloo to Portsmouth & Southseatrain train London Waterloo - Portsmouth Harbour / ...
1h 56m
£28–61

St Pancras to Portsmouth train times

Trains run every 30 minutes between St Pancras and Portsmouth. The earliest departure is at 3:18 AM at night, and the last departure from St Pancras is at 11:19 PM which arrives into Portsmouth at 1:20 AM. All services require a transfer at Waterloo Station and take an average of 1h 57m. The schedules shown below are for the next available departures.

Departing Thursday, October 8, 2026

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    London Underground (Tube)South Western Railway1h 58m • 1 change

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    London Underground (Tube)South Western Railway1h 45m • 1 change

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    London Underground (Tube)South Western Railway1h 58m • 1 change

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    Arrives next day

    London Underground (Tube)South Western Railway1h 47m • 1 change
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Departing Friday, October 9, 2026

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    London Underground (Tube)South Western Railway3h 58m • 1 change

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    London Underground (Tube)South Western Railway2h 10m • 1 change

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    London Underground (Tube)South Western Railway1h 48m • 1 change

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    London Underground (Tube)South Western Railway1h 47m • 1 change
  • Show more

Departing Saturday, October 10, 2026

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    London Underground (Tube)South Western Railway2h 8m • 1 change

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    London Underground (Tube)South Western Railway2h 15m • 1 change

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    London Underground (Tube)South Western Railway1h 42m • 1 change

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    London Underground (Tube)South Western Railway1h 46m • 1 change
  • Show more

Frequently asked questions

Want to know about travelling from St Pancras to Portsmouth? 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 St Pancras to Portsmouth.ExpandLaunch map view
  • Distance: 75.3 mi
  • Duration: 1h 57m

What companies run services between St Pancras, England and Portsmouth, England?

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

Operators