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

The average train ticket price from London to Cardiff is $99. The best way to find train tickets from London to Cardiff 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 London to Cardiff?

A train trip between London and Cardiff is around 1h 50m, although the fastest train will take about 1h 43m. This is the time it takes to travel the 132 miles that separates the two cities.

How many daily trains are there between London and Cardiff?

The number of trains from London to Cardiff can differ depending on the day of the week. On average, there are 16. Some trains are direct while others have layovers. Simplify your train trip from London to Cardiff by comparing and selecting the train that fits your travel style and budget on Busbud.

Which train companies travel from London to Cardiff?

When taking the train from London to Cardiff, you can travel comfortably and safely with Great Western Railway.

What are the departure and arrival stations for a train from London to Cardiff?

Trains traveling between London and Cardiff leave from King's Cross or St Pancras International and arrive at Cardiff Central.

What are the best sights and things to do in Cardiff?

Once in Cardiff, you can exploring the city. The top sights and things to do are Brecon Beacons National Park, Cardiff International White Water, St John the Baptist Church, Cardiff Castle, Wales Millennium Centre.

Train London to Cardiff from $46

Next departures

Next departures for London to Cardiff on October 31
Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
12:13pm	London Paddington	1h 54m	2:07pm	Cardiff Central	Cheapest
11:48am	London Paddington	1h 47m	1:35pm	Cardiff Central	Fastest
11:48am	London Paddington	1h 47m	1:35pm	Cardiff Central	No tags
12:13pm	London Paddington	1h 54m	2:07pm	Cardiff Central	No tags
12:48pm	London Paddington	1h 48m	2:36pm	Cardiff Central	No tags

Next departures for London to Cardiff on November 1
Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
4:16pm	London Paddington	1h 54m	6:10pm	Cardiff Central	Cheapest
7:48am	London Paddington	1h 48m	9:36am	Cardiff Central	Fastest
7:48am	London Paddington	1h 48m	9:36am	Cardiff Central	No tags
8:48am	London Paddington	1h 49m	10:37am	Cardiff Central	No tags
8:48am	London Paddington	1h 49m	10:37am	Cardiff Central	No tags

Next departures for London to Cardiff on November 2
Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
8:33am	London Paddington	1h 56m	10:29am	Cardiff Central	Cheapest
10:45am	London Paddington	1h 48m	12:33pm	Cardiff Central	Fastest
8:33am	London Paddington	1h 56m	10:29am	Cardiff Central	No tags
9:31am	London Paddington	1h 57m	11:28am	Cardiff Central	No tags
9:31am	London Paddington	1h 57m	11:28am	Cardiff Central	No tags

Next departures for London to Cardiff on November 3
Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
9:18am	London Paddington	1h 49m	11:07am	Cardiff Central	Cheapest
7:48am	London Paddington	1h 47m	9:35am	Cardiff Central	Fastest
7:12am	London Paddington	1h 56m	9:08am	Cardiff Central	No tags
7:48am	London Paddington	1h 47m	9:35am	Cardiff Central	No tags
8:18am	London Paddington	1h 51m	10:09am	Cardiff Central	No tags

Next departures for London to Cardiff on November 4
Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
9:18am	London Paddington	1h 49m	11:07am	Cardiff Central	Cheapest
7:48am	London Paddington	1h 47m	9:35am	Cardiff Central	Fastest
7:12am	London Paddington	1h 56m	9:08am	Cardiff Central	No tags
7:48am	London Paddington	1h 47m	9:35am	Cardiff Central	No tags
8:18am	London Paddington	1h 51m	10:09am	Cardiff Central	No tags

Next departures for London to Cardiff on November 5
Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
9:18am	London Paddington	1h 49m	11:07am	Cardiff Central	Cheapest
7:48am	London Paddington	1h 47m	9:35am	Cardiff Central	Fastest
7:12am	London Paddington	1h 56m	9:08am	Cardiff Central	No tags
7:48am	London Paddington	1h 47m	9:35am	Cardiff Central	No tags
8:18am	London Paddington	1h 51m	10:09am	Cardiff Central	No tags

Next departures for London to Cardiff on November 6
Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
9:18am	London Paddington	1h 49m	11:07am	Cardiff Central	Cheapest
7:48am	London Paddington	1h 47m	9:35am	Cardiff Central	Fastest
7:12am	London Paddington	1h 56m	9:08am	Cardiff Central	No tags
7:48am	London Paddington	1h 47m	9:35am	Cardiff Central	No tags
8:18am	London Paddington	1h 51m	10:09am	Cardiff Central	No tags

Next departures for London to Cardiff on November 7
Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
7:12am	London Paddington	1h 56m	9:08am	Cardiff Central	Cheapest
7:48am	London Paddington	1h 47m	9:35am	Cardiff Central	Fastest
7:48am	London Paddington	1h 47m	9:35am	Cardiff Central	No tags
8:18am	London Paddington	1h 51m	10:09am	Cardiff Central	No tags
8:18am	London Paddington	1h 51m	10:09am	Cardiff Central	No tags

Last refresh of the prices: Today at 10:34 AM GMT.

Compare 3 ways to go from London to Cardiff

We recommend carpooling

Among the sustainable travel choices, the carpool stands out as the good way to reach Cardiff. The journey takes about 2 hours 40 minutes and with fares starting at just $14, it presents an excellent value for a comfortable ride.

1carpool per day

2h 40mAverage Duration

131 milesDistance

9kgCO₂ emissions

	Average Price	Average Duration	CO₂ emissions
Bus	Average Price$12 - $96	Average Duration3h 50m	CO₂ emissions 5kg CO₂e
Train	Average Price$47 - $314	Average Duration1h 50m	CO₂ emissions 5kg CO₂e
Carpool	Average Price$14 - $34	Average Duration2h 40m	CO₂ emissions 9kg CO₂e

Train London to Cardiff: Trip Overview

Please note, this information is subject to change.

Average ticket price$99

Average train trip duration1h 50m

Number of daily trains16

Earliest train departure7:12am

Distance129 miles (208 km)

Latest train departure11:32pm

Train Companies

Great Western Railway

4/542 reviews

Staff5

Timeliness4.7

Cleanliness4.7

Wifi4

Based on 42 reviews, the company was rated 4 stars on Busbud. Travelers were especially satisfied with the staff and the seats but often complained with the wifi. Great Western Railway ticket prices on this trip start at $47

Great Western Railway London Cardiff recent customer reviews

Slight longer than usual, but overall great journey

Khadija O.

July 4, 2023

Train and bus companies in GB:Amtrak, Trenitalia, Renfe, RegioJet, VIA Rail Canada, FlixTrain, CrossCountry

London to Cardiff Train

Busbud shows you the best train ticket fares and train schedules so you can easily plan and book a trip by train from London to Cardiff.

We make it our job to connect you with the most dependable companies that offer train service from London to Cardiff.

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

Where are the popular train stations and stops in London and Cardiff?

Stops in London

A - King's Cross

B - St Pancras International

C - Euston Station

D - Waterloo

E - London Bridge

F - Marylebone

Stops in Cardiff

A - Cardiff Central

Frequently asked questions for your trip London - Cardiff

How much does a train ticket from London to Cardiff cost?
How long is the train trip from London to Cardiff?
How many daily trains are there between London and Cardiff?
Which train companies travel from London to Cardiff?
What are the departure and arrival stations for a train from London to Cardiff?
What are the best sights and things to do in Cardiff?

Find cheapest prices for trains

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

Best price found

10/29

$73

10/30

$73

Today

$78

11/01

$73

11/02

$84

11/03

$110

11/04

$106

11/05

$106

The cheapest trip from London to Cardiff was searched and found on Nov 1, 2025 with a price of $73

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

You can expect to pay from $73 to $297 for a train ticket from London to Cardiff based on the last 2 days. You can expect to find the cheapest price for the trip at $73 which is on 2025-11-01.

About Train Travel

Train Travel Tips

Do you like to go fast? With high-speed trains going faster than 300 km/h on certain routes, the time will fly by. Taking a train between London and Cardiff is also a great way to travel to arrive in the city centre and save more time for your stay in Cardiff.

Whether you take a regional or high-speed train to Cardiff, you’ll help reduce the environmental impact and carbon footprint of your trip. As you watch the landscapes unfold before your eyes, you can tell yourself that with this choice, you are making sure they remain protected.

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

Tune out to the fine sounds of your best music playlist on your train trip from London to Cardiff while indulging in miles on end of beautiful scenic views.

Did you know?

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.

You can find the straightest railway in the world in Australia. This railway line is 478 kilometres long and is also considered the longest and straightest railway line in the world.

Some trains in Sweden can recover more than a fifth of the energy they use by braking. This is especially true with ore trains as they descend from Narvik to Kiruna.

Will you be returning to London by train?

Train from Cardiff to London

Top Traveled Train Routes

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Train tickets from London to Cardiff