Trains leaving Tuesday
One passenger / one way
- This trip is recommended because it is the: CheapestDeparture time: 29 April atDeparture city: CardiffDeparture location: Cardiff CentralArrival time: 29 April atDestination city: LondonDestination location: London PaddingtonOperated by: Great Western Railway
Vehicle: TrainDuration: - This trip is recommended because it is the: FastestDeparture time: 29 April atDeparture city: CardiffDeparture location: Cardiff CentralArrival time: 29 April atDestination city: LondonDestination location: London PaddingtonOperated by: Great Western RailwayVehicle: TrainDuration:
- Departure time: 29 April atDeparture city: CardiffDeparture location: Cardiff CentralArrival time: 29 April atDestination city: LondonDestination location: London PaddingtonOperated by: Great Western RailwayVehicle: TrainDuration:
- Departure time: 29 April atDeparture city: CardiffDeparture location: Cardiff CentralArrival time: 29 April atDestination city: LondonDestination location: London PaddingtonOperated by: Great Western RailwayVehicle: TrainDuration:
- Departure time: 29 April atDeparture city: CardiffDeparture location: Cardiff CentralArrival time: 29 April atDestination city: LondonDestination location: London PaddingtonOperated by: Great Western RailwayVehicle: TrainDuration:
Accepted payments
Train Cardiff to London: Trip Overview
Please note, this information is subject to change.
Train Companies
Based on 41 reviews, the company was rated 3.9 stars on Busbud. Travellers were especially satisfied with the staff and the seats but often complained with the value for money. Great Western Railway ticket prices on this trip start at US$45.00
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 services 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
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!
How long is the train 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 132 miles that separates the two cities.
How many daily train 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.
The cheapest trip from Cardiff to London was searched and found on 29 Apr 2025 with a price of US$81To 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, explore 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 personalised train travel playlist – the perfect accompaniment for your journey from Cardiff to London.
Did you know?
One of the deepest train stations in the world is in Kiev. Located at a depth of 105m, 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 60m 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.
Top Travelled Train Routes
Why choose Busbud?
The Best Way To Book Bus and Train Tickets
Busbud helps you easily search, compare and book intercity bus tickets on a worlwide scale with our comprehensive list of bus routes and schedules. With Busbud, wherever you go, you have a worldwide bus station within reach and available in your own language and currency. Busbud prides itself on its worldwide partnerships. We make it possible for you to buy tickets with its large network of trustworthy bus partners like Greyhound, Eurolines, ALSA, OUIBUS (BlaBlaBus), National Express and many others.
Popular Trains Connecting Cardiff
Trains Leaving from Cardiff
Popular Trains Connecting London
Trains Going to London
Popular train trips
Top Routes Worldwide
- Train from Milan to Lecce
- Train from Lyon to Marseille
- Train from Barcelona to Milan
- Train from Milan to Empoli
- Train from Paris to Brest
- Train from Marseille to Lille
- Train from Abano Terme to Padova
- Train from Metz to Saint-Étienne
- Train from Verona to Milan
- Train from Lecce to Parma
- Train from Oldham to Manchester
- Train from Salford to Manchester
- Train from Manchester to Oldham
- Train from Manchester to Altrincham
- Train from Nantes to Marseille