How much is the train ticket from London to Cardiff?

The cheapest train tickets from London to Cardiff start from PLN 173. The average price for this train route is around PLN 425. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.

How long is the train journey from London to Cardiff?

The average train ride duration from London to Cardiff is 1h 52m, covering a distance of 130 miles (209 km). The quickest train can get you there in 1h 44m and is operated by Great Western Railway .

Which train operators service the London to Cardiff route?

Several major train operators operate on this route with 16 trains available per day.

What is the earliest and latest departure time for the train from London to Cardiff?

The earliest train departs from London to Cardiff at 7:00am. And the latest train departs at 11:32pm.

Train London to Cardiff from PLN 188

Next train departures

Next departures for London to Cardiff on May 4
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	7:12am	London Paddington	1h 56m	9:08am	Cardiff Central	Cheapest
Train	4:18pm	London Paddington	1h 47m	6:05pm	Cardiff Central	Fastest
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
Train	8:18am	London Paddington	1h 51m	10:09am	Cardiff Central	No tags

Next departures for London to Cardiff on May 5
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 May 6
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 May 7
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 May 8
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 May 9
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 52m	10:40am	Cardiff Central	No tags
Train	8:48am	London Paddington	1h 52m	10:40am	Cardiff Central	No tags

Next departures for London to Cardiff on May 10
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	8:23am	London Paddington	2h 6m	10:29am	Cardiff Central	Cheapest
Train	10:45am	London Paddington	1h 48m	12:33pm	Cardiff Central	Fastest
Train	8:23am	London Paddington	2h 6m	10:29am	Cardiff Central	No tags
Train	9:31am	London Paddington	1h 57m	11:28am	Cardiff Central	No tags
Train	9:31am	London Paddington	1h 57m	11:28am	Cardiff Central	No tags

Last refresh of the prices: Today at 4:37 AM BST.

Compare 2 ways to go from London to Cardiff

We recommend taking the bus

Among the sustainable travel choices, the Bus stands out as a good way to reach Cardiff. The journey takes about 3 hours 45 minutes and with fares starting at just PLN 34, it presents an excellent value for a comfortable ride.

119bus per day

3h 45mAverage Duration

132 milesDistance

5kgCO₂ emissions

	Average Price	Average Duration	CO₂ emissions	Actions
Bus	Average PricePLN 34 - PLN 308	Average Duration3h 45m	CO₂ emissions 5kg CO₂e
Train	Average PricePLN 173 - PLN 1,185	Average Duration1h 52m	CO₂ emissions 5kg 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
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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
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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

4.0/542 reviews

Staff5.0

Timeliness4.7

Cleanliness4.7

Wifi4.0

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 PLN 173

Great Western Railway London Cardiff recent customer reviews

Slight longer than usual, but overall great journey

Khadija O.

July 4, 2023

GB train companies:RegioJet, CrossCountry, FlixTrain, Great Western Railway, Northern, ScotRail, Transpennine Express

Frequently asked questions about traveling 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 from PLN 173. The average price for this train route is around PLN 425. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
How long is the train journey from London to Cardiff?
The average train ride duration from London to Cardiff is 1h 52m, covering a distance of 130 miles (209 km). The quickest train can get you there in 1h 44m and is operated by Great Western Railway.
Which train operators service the London to Cardiff route?
Several major train operators operate on this route with 16 trains available per day.
What is the earliest and latest departure time for the train from London to Cardiff?
The earliest train departs from London to Cardiff at 7:00am. And 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

05/02

PLN 275

05/03

PLN 317

Today

PLN 317

05/05

PLN 416

05/06

PLN 416

05/07

PLN 416

05/08

PLN 416

05/09

PLN 231

The cheapest trip from London to Cardiff was searched and found on May 9, 2026 with a price of PLN 231

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 PLN 231 to PLN 924 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 PLN 231 which is on 2026-05-09.