Trains from London to Cardiff

London to Cardiff train information

The trip between London, located in England and Cardiff, situated in Wales is well connected by trains. Use our travel search engine to find your ticket and identify the train operator for this journey.

Using the train is a quick and convenient way to get to Cardiff from London. The average journey time from London to Cardiff is 2h08m to cover the 132 miles.

The cheapest fare we've found for the next 180 days is £31.01 one way.

Best prices for London to Cardiff train tickets

London - Cardiff prices calendar

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

London - Cardiff: the best time to book cheap trains

Cost of the train when booking in advance or at the last minute

The chart above illustrates the best prices found over the last six months depending on how much time in advance the ticket is purchased. Purchasing your train from London to Cardiff in advance will enable you to pay less for your train.

The cheapest tickets we found were from £21 when purchasing your train 2 months in advance which is 50% cheaper than the best price we found when purchasing your seat on the day you're travelling.

Best prices for London to Cardiff trains

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

Discount London - Cardiff train tickets

Do you want to travel at the lowest fares? Many railcards and tricks can be obtained to spend less for your London Cardiff train ticket and save even more money on your tickets: special train fares for children, railcards for all ages, group travel, or charity discount. There are many types of railcards available: 16-25 railcard, Two together railcard, Family and Friends Railcard, Senior railcard, Disabled persons railcard.

How much can I save with a railcard?

When getting a railcard, the idea is to make savings after several journeys. But is it really relevant when travelling from London to Cardiff? Grab your calculator, considering:

A = the cost of the railcard (i.e.: £30)

B = average discount offered by the railcard (i.e.: 34%)

C = average fare for a London Cardiff ticket (i.e.: £48.88)(1)

Start by dividing A by B: this will give you the budget from which the card will be worthwile. Then divide that number by C. You will see the average number of journeys needed per year to be profitable.

In our example, A/B = £30/34% = £88.00. Then, 88/£48.88 = 1.8. Your railcard will be worth the investment after on average 2 trips from London to Cardiff (one way trip).

How much does a railcard cost?

Railcards enable you to get a third off most rail fares for a year. The Disabled persons railcard costs £20 and the 5 other railcards £30.

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