Trains tickets from Cardiff to London

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TodayApr 25
TomorrowApr 26
SunApr 27
MonApr 28
TueApr 29
from US$86
WedApr 30
ThuMay 1
from US$86
FriMay 2

Trains leaving Tuesday

One passenger / one way

  • This trip is recommended because it is the: Cheapest
    Departure time: April 29 at
    Departure city: Cardiff
    Departure location: Cardiff Central
    Arrival time: April 29 at
    Destination city: London
    Destination location: London Paddington
    Operated by: Great Western RailwayGreat Western Railway
    Vehicle: TrainDuration:
  • This trip is recommended because it is the: Fastest
    Departure time: April 29 at
    Departure city: Cardiff
    Departure location: Cardiff Central
    Arrival time: April 29 at
    Destination city: London
    Destination location: London Paddington
    Operated by: Great Western RailwayGreat Western Railway
    Vehicle: TrainDuration:
  • Departure time: April 29 at
    Departure city: Cardiff
    Departure location: Cardiff Central
    Arrival time: April 29 at
    Destination city: London
    Destination location: London Paddington
    Operated by: Great Western RailwayGreat Western Railway
    Vehicle: TrainDuration:
  • Departure time: April 29 at
    Departure city: Cardiff
    Departure location: Cardiff Central
    Arrival time: April 29 at
    Destination city: London
    Destination location: London Paddington
    Operated by: Great Western RailwayGreat Western Railway
    Vehicle: TrainDuration:
  • Departure time: April 29 at
    Departure city: Cardiff
    Departure location: Cardiff Central
    Arrival time: April 29 at
    Destination city: London
    Destination location: London Paddington
    Operated by: Great Western RailwayGreat Western Railway
    Vehicle: TrainDuration:

Last refresh of the prices: Yesterday at 9:17 PM BST.

Prices and availability are subject to change.

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Train Cardiff to London: Trip Overview

Please note, this information is subject to change

Average Ticket PriceUS$91
Average train trip duration1h 56m
Number of daily trains14
Earliest train departure6:57am
Distance208 km
Latest train departure9:30pm

Cardiff to London Train

Busbud helps you find a train from Cardiff to London. Get the best fare and schedule, book a round trip ticket or find trains with WiFi and electrical outlets.

Train service from Cardiff to London will be provided by the most trusted companies.

Whether it is train tickets or first class train tickets going to London from Cardiff, we help you find what you're looking for based on how much of a budget you have.

Frequently asked questions on the trip Cardiff - London

  1. How much does a cheap train ticket from Cardiff to London cost?

    The average train ticket price from Cardiff to London is US$91. The best way to find cheap train tickets from Cardiff to London is to book your tickets as early as possible. Prices tend to rise as your travel date approaches, so book in advance to secure the best prices!

  2. How long is the trip from Cardiff to London?

    A train trip between Cardiff and London is around 1h 56m, although the fastest train will take about 1h 47m. This is the time it takes to travel the 212 km that separates the two cities.

  3. How many daily trains are there between Cardiff and London?

    The number of trains from Cardiff to London can differ depending on the day of the week. On average, there are 14. Some trains are direct while others include transferring trains. Simplify your train trip from Cardiff to London by comparing and selecting the train that fits your travel style and budget on Busbud.

Find cheapest prices for trains

Price is for a one-way ticket for one passenger and based on past searches.

Best price found
04-23
No data
04-24
No data
Today
No data
04-26
No data
04-27
No data
04-28
No data
04-29
US$81
04-30
No data
busbud logoThe cheapest trip from Cardiff to London was searched and found on Apr 29, 2025 with a price of US$81

To save money and be sure you have the best seat, it's a good idea to buy your train tickets from Cardiff to London, as early as possible.

You can expect to pay from US$81 to US$272 for a train ticket from Cardiff to London based on the last 2 days. You can expect to find the cheapest price for the trip at US$81 which is on 2025-04-29.

About Train Travel

Train Travel Tips

There are many train stations in the world, check out the station pages on Busbud to get all information you need.

No matter if you plan to take a regional or high-speed train to London, the planet will thank you. You’ll help to protect the beautiful landscapes that will unfold before your very eyes.

By choosing the train between Cardiff and London, you emit up to 30 times less CO2 than for the same journey made by plane or car!

Create your real-life musical score by curating a personalized train travel playlist - the perfect accompaniment to your train ride from Cardiff to London.

Did you know?

One of the deepest train stations in the world is in Kiev. Located at a depth of 105 m, it was designed in this way to serve as a shelter in the event of an attack. The second deepest station is in China. Badaling station is located 60 m under the Great Wall of China!

The first high-speed train line was inaugurated in 1964, in Japan, to connect Tokyo with Osaka. It was during the Olympics that the first passengers travelled aboard the Shinkansen at a speed of 210 km / h.

You can find dogs as passengers on the trains of Moscow, where there is a large number of stray dogs. Over time, the dogs have learned the inner workings of the rail system and it is not uncommon to find one travelling between the city and the suburbs.

Will you be returning to Cardiff by train?

Train from London to Cardiff

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