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Caerphilly to Portsmouth trains

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Trip Overview

The average train between Caerphilly and Portsmouth takes 3h 57m and the fastest train takes 3h 42m. There is a train service every few hours from Caerphilly 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.

3h 57m
Duration
147 mi
Distance
£73
Average price
Hourly
Frequency

Train

best
  1. Take the train from Cardiff Central to Portsmouth & Southseatrain train Cardiff Central - Portsmouth Harbour
4h 27m
£58–114

Caerphilly to Portsmouth train times

Trains run hourly between Caerphilly and Portsmouth. The earliest departure is at 6:03 AM in the morning, and the last departure from Caerphilly is at 10:27 PM which arrives into Portsmouth at 12:46 PM. All services require a transfer, and take on average 3h 57m. The schedules shown below are for the next available departures.

Departing Thursday, October 22, 2026

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    Transport for WalesGreat Western Railway (GWR)3h 59m • 1 change

Departing Friday, October 23, 2026

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    Transport for WalesGreat Western Railway (GWR)3h 44m • 1 change

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    Transport for WalesGreat Western Railway (GWR)3h 49m • 1 change

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    Transport for WalesGreat Western Railway (GWR)3h 48m • 1 change

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    Transport for WalesGreat Western Railway (GWR)3h 48m • 1 change
  • Show more

Departing Saturday, October 24, 2026

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    Transport for WalesGreat Western Railway (GWR)3h 42m • 1 change

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    Transport for WalesGreat Western Railway (GWR)3h 48m • 1 change

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    Transport for WalesGreat Western Railway (GWR)3h 48m • 1 change

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    Transport for WalesGreat Western Railway (GWR)3h 48m • 1 change
  • Show more

Departing Sunday, October 25, 2026

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    Transport for WalesGreat Western Railway (GWR)4h 4m • 1 change

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    Transport for WalesGreat Western Railway (GWR)4h 5m • 1 change

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    Transport for WalesGreat Western Railway (GWR)4h 5m • 1 change

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    Transport for WalesGreat Western Railway (GWR)4h 6m • 1 change
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Departing Monday, October 26, 2026

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    Transport for WalesGreat Western Railway (GWR)3h 44m • 1 change

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    Transport for WalesGreat Western Railway (GWR)3h 49m • 1 change

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    Transport for WalesGreat Western Railway (GWR)3h 48m • 1 change

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    Transport for WalesGreat Western Railway (GWR)3h 48m • 1 change
  • Show more

Departing Tuesday, October 27, 2026

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    Transport for WalesGreat Western Railway (GWR)3h 44m • 1 change

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    Transport for WalesGreat Western Railway (GWR)3h 49m • 1 change

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    Transport for WalesGreat Western Railway (GWR)3h 48m • 1 change

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    Transport for WalesGreat Western Railway (GWR)3h 48m • 1 change
  • Show more

Departing Wednesday, October 28, 2026

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    Transport for WalesGreat Western Railway (GWR)3h 44m • 1 change

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    Transport for WalesGreat Western Railway (GWR)3h 49m • 1 change

  •  → 

    Transport for WalesGreat Western Railway (GWR)3h 48m • 1 change

  •  → 

    Transport for WalesGreat Western Railway (GWR)3h 48m • 1 change
  • Show more

Frequently asked questions

Want to know about travelling from Caerphilly 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 Caerphilly to Portsmouth.ExpandLaunch map view
  • Distance: 146.9 mi
  • Duration: 3h 57m

What companies run services between Caerphilly, Wales and Portsmouth, England?

Great Western Railway (GWR) operates a train from Cardiff Central to Portsmouth & Southsea hourly. Tickets cost £55–110 and the journey takes 3h 19m.

Operators