How much is the train ticket from London to Cardiff?

The cheapest train tickets from London to Cardiff start at $67. The average price for this train route is around $149. Busbud recommends booking your tickets in advance to increase your chances of getting the lowest possible price.

How long is the train ride from London to Cardiff?

The average train trip from London to Cardiff takes 1h 50m and covers 208 km. The quickest train gets you there in 1h 43m and is operated by Great Western Railway .

Which train operators serve the London to Cardiff route?

Several major train operators serve this route, with 15 trains available per day.

What are the earliest and latest departure times for the train from London to Cardiff?

The earliest train from London to Cardiff departs at 7:05am. The latest train departs at 11:32pm.

Train London to Cardiff from $71

Next train departures

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

Next departures for London to Cardiff on December 13
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	4:16pm	London Paddington	1h 54m	6:10pm	Cardiff Central	Cheapest
Train	7:48am	London Paddington	1h 48m	9:36am	Cardiff Central	Fastest
Train	7:48am	London Paddington	1h 48m	9:36am	Cardiff Central	No tags
Train	8:48am	London Paddington	1h 49m	10:37am	Cardiff Central	No tags
Train	8:48am	London Paddington	1h 49m	10:37am	Cardiff Central	No tags

Next departures for London to Cardiff on December 14
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	8:33am	London Paddington	1h 56m	10:29am	Cardiff Central	Cheapest
Train	10:45am	London Paddington	1h 49m	12:34pm	Cardiff Central	Fastest
Train	7:53am	London Paddington	2h 31m	10:24am	Cardiff Central	No tags
Train	7:53am	London Paddington	2h 31m	10:24am	Cardiff Central	No tags
Train	8:33am	London Paddington	1h 56m	10:29am	Cardiff Central	No tags

Next departures for London to Cardiff on December 15
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	9:18am	London Paddington	1h 49m	11:07am	Cardiff Central	Cheapest
Train	4:18pm	London Paddington	1h 47m	6:05pm	Cardiff Central	Fastest
Train	7:12am	London Paddington	1h 56m	9:08am	Cardiff Central	No tags
Train	7:48am	London Paddington	1h 48m	9:36am	Cardiff Central	No tags
Train	7:48am	London Paddington	1h 48m	9:36am	Cardiff Central	No tags

Next departures for London to Cardiff on December 16
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	9:18am	London Paddington	1h 49m	11:07am	Cardiff Central	Cheapest
Train	4:18pm	London Paddington	1h 47m	6:05pm	Cardiff Central	Fastest
Train	7:12am	London Paddington	1h 56m	9:08am	Cardiff Central	No tags
Train	7:48am	London Paddington	1h 48m	9:36am	Cardiff Central	No tags
Train	7:48am	London Paddington	1h 48m	9:36am	Cardiff Central	No tags

Next departures for London to Cardiff on December 17
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	9:18am	London Paddington	1h 49m	11:07am	Cardiff Central	Cheapest
Train	4:18pm	London Paddington	1h 47m	6:05pm	Cardiff Central	Fastest
Train	7:12am	London Paddington	1h 56m	9:08am	Cardiff Central	No tags
Train	7:48am	London Paddington	1h 48m	9:36am	Cardiff Central	No tags
Train	7:48am	London Paddington	1h 48m	9:36am	Cardiff Central	No tags

Next departures for London to Cardiff on December 18
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	9:18am	London Paddington	1h 49m	11:07am	Cardiff Central	Cheapest
Train	4:18pm	London Paddington	1h 47m	6:05pm	Cardiff Central	Fastest
Train	7:12am	London Paddington	1h 56m	9:08am	Cardiff Central	No tags
Train	7:48am	London Paddington	1h 48m	9:36am	Cardiff Central	No tags
Train	7:48am	London Paddington	1h 48m	9:36am	Cardiff Central	No tags

Last refresh of the prices: Today at 8:58 PM GMT.

Compare 3 ways to go from London to Cardiff

We recommend carpooling

Among the sustainable travel choices, the carpool stands out as a good way to reach Cardiff. The journey takes about 2 hours 30 minutes, and with fares starting at just $22, it presents an excellent value for a comfortable ride.

1carpool per day

2h 30mAverage Duration

212 kmDistance

9kgCO₂ emissions

	Average Price	Average Duration	CO₂ emissions
Bus	Average Price$16 - $136	Average Duration3h 40m	CO₂ emissions 5kg CO₂e
Train	Average Price$67 - $432	Average Duration1h 50m	CO₂ emissions 5kg CO₂e
Carpool	Average Price$22 - $46	Average Duration2h 30m	CO₂ emissions 9kg CO₂e

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

London

A
King's Cross
7 York Way, London N1 9AA, UK
Visit page
B
St Pancras International
King's Cross St. Pancras, Euston Rd, Kings Cross, London N1 9AL, UK
Visit page
C
Euston Station
Euston Railway Station B40 The Balcony, Eversholt St, London NW1 2DU, UK
Visit page
D
Waterloo
Waterloo Station Southbank, Station Approach, London SE1 8SW, UK
Visit page
E
London Bridge
51-55 St Thomas St, London SE1 3QX, UK
Visit page
F
Marylebone
Melcombe Pl, London NW1 6JJ, UK
Visit page

Cardiff

A
Cardiff Central
Cardiff Central, UK
Visit page

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. Travellers 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 $67

Great Western Railway London Cardiff recent customer reviews

Slight longer than usual, but overall great journey

Khadija O.

July 4, 2023

GB train and bus companies:Amtrak, Trenitalia, Renfe, VIA Rail Canada, RegioJet, FlixTrain, Amtrak Acela

Frequently asked questions about travelling from London to Cardiff by train

Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.

How much is the train ticket from London to Cardiff?
The cheapest train tickets from London to Cardiff start at $67. The average price for this train route is around $149. Busbud recommends booking your tickets in advance to increase your chances of getting the lowest possible price.
How long is the train ride from London to Cardiff?
The average train trip from London to Cardiff takes 1h 50m and covers 208 km. The quickest train gets you there in 1h 43m and is operated by Great Western Railway.
Which train operators serve the London to Cardiff route?
Several major train operators serve this route, with 15 trains available per day.
What are the earliest and latest departure times for the train from London to Cardiff?
The earliest train from London to Cardiff departs at 7:05am. The latest train departs at 11:32pm.

Find cheapest prices for trains

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

Best price found

12-09

$111

12-10

$111

Today

$300

12-12

$158

12-13

$111

12-14

$120

12-15

$165

12-16

$157

The cheapest trip from London to Cardiff was searched and found on Dec 9, 2025 with a price of $111

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 $111 to $426 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 $111 which is on 2025-12-13.