Cardiff to Portsmouth by train

  • First train
    06:25
  • Last train
    20:30
  • Avg changes
    0
  • Fastest journey
    3hr 9m
  • Distance
    164 kilometres
  • Trains per Day
    23
  • Avg. journey time
    3hr 26m
  • Train Operators

Travelling from Cardiff to Portsmouth by train

Fast trains from Cardiff to Portsmouth take around 3 hours and 9 minutes, covering a distance of approximately 164 kilometres. There are frequent services on the rail route between Cardiff and Portsmouth.

1. Are there direct trains from Cardiff to Portsmouth?

Direct trains from Cardiff to Portsmouth have been found.

We usually find around 24 direct trains on the route from Cardiff to Portsmouth every weekday.

Trains are typically more frequent on weekends, when we found around 39 departures.

2. How long is the train journey from Cardiff to Portsmouth?

The Cardiff to Portsmouth train travel time is normally about 3 hours and 9 minutes, whatever time you make the journey.

3. What are the Cardiff to Portsmouth train times and schedule?

On weekdays the earliest direct train to Portsmouth is usually scheduled to depart Cardiff around 06:25 and the last train is around 20:30. At weekends the first train of the day leaves Cardiff around 06:22, and the last at 20:31.

When to book Cardiff to Portsmouth train tickets?

Trains in the UK usually open for booking around 3 months in advance. If booking is not yet open for your dates then you can set a booking alert to receive an email on the day that the cheapest tickets are released for your journey from Cardiff to Portsmouth by train.

Help with booking alerts

Which train companies operate between Cardiff and Portsmouth?

More than one train company operates on the route from Cardiff to Portsmouth, so you’ll be travelling with one or more of the following rail operators:

  • First Great Western
  • Great Western Railway

You can check which train you’ll be travelling on by looking for the train name in search results.

Portsmouth to Cardiff by train

Other journeys to Portsmouth View all journeys to Portsmouth

Loco2 means a new way of booking trains online, but it also stands for low CO2 and lower cost travel. By simplifying the booking process, Loco2 hopes to encourage more people to ditch the plane and opt for a lower-carbon journey by train.

  • Easy, fast and cheap
  • Pay in EUR, GBP or USD
  • 100% human support

Subscribe to our newsletter

Subscribe to receive top tips, train news and travel inspiration straight to your inbox

Child and youth passengers

The definition of "Child" and "Youth" varies by country and operator. This is why we ask for the age of young passengers.

Sometimes children below a certain age can travel without a seat for free. If you want to guarantee a seat for child passengers, enter '6' as the age of the child.

Read more about child and youth passenger ages. See also youth discounts and railcards.

Log in / Register

  1. We'd love to send you (occasional) emails with travel tips, sales and special offers. You can change your preferences at any time.
  1. By registering you agree with our privacy policy.