Trains tickets from Cardiff to London

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TodayMay 1
from $82
TomorrowMay 2
SatMay 3
SunMay 4
MonMay 5
TueMay 6
WedMay 7
ThuMay 8

Upcoming Train Schedules

One passenger / one way

  • This trip is recommended because it is: Cheapest
    Departure time: May 1 at
    Departure city: Cardiff
    Departure location: Cardiff Central
    Arrival time: May 1 at
    Destination city: London
    Destination location: London Paddington
    Operated by: Great Western RailwayGreat Western Railway
    Vehicle: TrainDuration:
  • This trip is recommended because it is: Fastest
    Departure time: May 1 at
    Departure city: Cardiff
    Departure location: Cardiff Central
    Arrival time: May 1 at
    Destination city: London
    Destination location: London Paddington
    Operated by: Great Western RailwayGreat Western Railway
    Vehicle: TrainDuration:
  • Departure time: May 1 at
    Departure city: Cardiff
    Departure location: Cardiff Central
    Arrival time: May 1 at
    Destination city: London
    Destination location: London Paddington
    Operated by: Great Western RailwayGreat Western Railway
    Vehicle: TrainDuration:
  • Departure time: May 1 at
    Departure city: Cardiff
    Departure location: Cardiff Central
    Arrival time: May 1 at
    Destination city: London
    Destination location: London Paddington
    Operated by: Great Western RailwayGreat Western Railway
    Vehicle: TrainDuration:
  • Departure time: May 1 at
    Departure city: Cardiff
    Departure location: Cardiff Central
    Arrival time: May 1 at
    Destination city: London
    Destination location: London Paddington
    Operated by: Great Western RailwayGreat Western Railway
    Vehicle: TrainDuration:

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Compare 3 ways to go from Cardiff to London.

Bus
Average Price$8 - $81Average Duration3h 37m
5kg CO₂e5 out of 5 stars
CheapestMost eco-friendly
Train
Average Price$47 - $323Average Duration1h 55m
5kg CO₂e5 out of 5 stars
Fastest
Carpool
Average Price$11 - $35Average Duration2h 50m
9kg CO₂e4 out of 5 stars
busbud logoBusbud recommends carpooling from Cardiff to London

Among the sustainable travel choices, the carpool stands out as the good way to reach London. The journey takes about 2 hours 50 minutes and with fares starting at just $11, it presents an excellent value for a comfortable ride.

1carpool per day
2h 50mAverage Duration
$11Cheapest ticket
9kgCO₂ emissions

Train Cardiff to London: Trip Overview

Please note, this information is subject to change.

Average ticket price$91
Average train trip duration1h 55m
Number of daily trains13
Earliest train departure6:57am
Distance129 miles (208 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 for your trip Cardiff - London

Find cheapest prices for trains

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

Best price found
04/29
$81
04/30
No data
Today
$81
05/02
No data
05/03
No data
05/04
No data
05/05
No data
05/06
No data
busbud logoThe cheapest trip from Cardiff to London was searched and found on May 1, 2025 with a price of $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.

About Train Travel

Train Travel Tips

There are many train stations in the world, check it 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 own real life musical score by curating a personalized train travel playlist - the perfect accompaniment to your bus 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 traveled 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 traveling between the city and the suburbs.

Will you be returning to Cardiff by train?

Train from London to Cardiff

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