How much does a cheap train ticket from Heathrow to Cardiff cost?

The average train ticket price from Heathrow to Cardiff is £35. The best way to find cheap train tickets from Heathrow 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 Heathrow to Cardiff?

A train trip between Heathrow and Cardiff is around 3h 41m, although the fastest train will take about 3h 41m. This is the time it takes to travel the 118 miles that separates the two cities.

How many daily train are there between Heathrow and Cardiff?

The number of trains from Heathrow to Cardiff can differ depending on the day of the week. On average, there is 1. Some trains are direct while others have layovers. Simplify your train trip from Heathrow to Cardiff by comparing and selecting the train that fits your travel style and budget on Busbud.

Which train companies travel from Heathrow to Cardiff?

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

Train Heathrow to Cardiff from £35

Previously seen journeys

Next departures from Heathrow to Cardiff on 18 November
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended	Price and booking link
	Train	04:23	West Drayton	3h 42m	08:05	Cardiff Central	No tags
	Train	04:24	West Drayton	3h 41m	08:05	Cardiff Central	No tags

Compare 3 ways to travel from Heathrow 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 £10, it presents an excellent value for a comfortable ride.

1carpool per day

2h 30mAverage duration

117 milesDistance

8kgCO₂ emissions

	Average price	Average duration	CO₂ emissions
Bus	Average price£9 - £108	Average duration3h 35m	CO₂ emissions 5kg CO₂e
Train	Average price£35 - £35	Average duration3h 41m	CO₂ emissions 4kg CO₂e
Carpool	Average price£10 - £24	Average duration2h 30m	CO₂ emissions 8kg CO₂e

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 Wi-Fi. Great Western Railway ticket prices on this trip start at £35

GB train companies: Amtrak, Trenitalia, Renfe, VIA Rail Canada, RegioJet, FlixTrain, CrossCountry

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

Stops in Heathrow

A - London Heathrow Airport

Stops in Cardiff

A - Cardiff Central

Frequently asked questions about travelling from Heathrow to Cardiff by train

How much does a cheap train ticket from Heathrow to Cardiff cost?
The average train ticket price from Heathrow to Cardiff is £35. The best way to find cheap train tickets from Heathrow 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 Heathrow to Cardiff?
A train trip between Heathrow and Cardiff is around 3h 41m, although the fastest train will take about 3h 41m. This is the time it takes to travel the 118 miles that separates the two cities.
How many daily train are there between Heathrow and Cardiff?
The number of trains from Heathrow to Cardiff can differ depending on the day of the week. On average, there is 1. Some trains are direct while others have layovers. Simplify your train trip from Heathrow to Cardiff by comparing and selecting the train that fits your travel style and budget on Busbud.
Which train companies travel from Heathrow to Cardiff?
When taking the train from Heathrow to Cardiff, you can travel comfortably and safely with Great Western Railway.