Trains from Cardiff to Portsmouth

Cardiff to Portsmouth train information

Cardiff Portsmouth train map

Train duration 3h34m
Arrival Portsmouth, England
Departure Cardiff, Wales
Distance 103 Miles

Which train company can I use?

Search for your ticket on gopili to see the different companies for your train connecting Cardiff (East Wales) to Portsmouth (South East England). The services on board may change depending on the train operator.

How long is the train?

There are 103 miles between the two cities and the average duration between Cardiff to Portsmouth is around 3h34m. Train travel is most of the time the fastest way to travel to Portsmouth from Cardiff, and it's also a greener option than driving or taking the plane.

What is the price of the train?

Depending how much time in advance you book your ticket as well as when you travel, the price of the ticket will vary.

Best prices for Cardiff to Portsmouth train tickets

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Cardiff - Portsmouth prices calendar

Find the cheapest tickets to travel from Cardiff to Portsmouth by train, bus, ride sharing and plane.

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Ticket prices and availability have been recorded in the last 72 hours from the data provided by our partners.

Best prices for Cardiff to Portsmouth trains

We compare train ticket for all major companies to travel between Cardiff and Portsmouth by train and find the best prices for the coming days. Take a look at the prices of train tickets Portsmouth to Cardiff and find the best deal for your outbound journey.

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Cardiff Portsmouth train

Discount Cardiff - Portsmouth train tickets

The best way to spend less on your Cardiff Portsmouth train ticket must be to have a railcard. While regional railcards exist in some areas, National railcards enable you to make savings on most rail fares across the United Kingdom. Everyone is eligible to at least one of the railcard, even non-UK citizens. National railcards available: 16-25 railcard, Senior discount card, Two together railcard, Family and Friends discount card and Disabled persons railcard.

The main benefit of purchasing a railcard is that you only need a few trips to break even.

You will need to buy at least £88 of train tickets in a year for the railcard to be worth the investment. It corresponds to the price of the card, thirty pounds, divided by the saving, thirty four percent. On every train that you purchase after that, you will spare money.

For instance, train tickets from Cardiff to Portsmouth cost on average £50.00 (1). When dividing £88 by £50.00 (£88/£50.00 = 1.76), you can see that after only 2 one way trips from Portsmouth to Cardiff, the card will have paid for itself.

The price to buy a Disabled persons railcard is £20 while it will cost you £30 to have the 16-25, Two together, Family and Friends or the Senior railcard. All of them enable you to save 34% off most adult fares for one year.

(1)Average prices observed over the last 6 months for one way journey

Train Journey Average price without railcard(1) With a railcard 34% off(2) Saving based on a one-way trip Number of return trips to pay off the cost
Cardiff to Portsmouth train £50.00 £33.33 £16.67 1.76

(1)Average price observed over the last 6 months for one way

(2)Price calculated with an average reduction of 34% on train tickets fare