Cardiff to Heidelberg Trains

Trip Overview

The average train between Cardiff and Heidelberg takes 11h 58m and the fastest train takes 8h 50m. The train service runs several times per day from Cardiff to Heidelberg. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

11h 58m
Duration: 1,258 km
Distance: €425
Average price: 5 times a day
Frequency

Train

best

Take the train from Cardiff Central to London Paddingtontrain
Take the train from London St Pancras Intl to Paris Nordtrain Eil
Take the train from Paris Est to Karlsruhe Hbftrain Tgv
Take the train from Karlsruhe Hauptbahnhof to Heidelberg, Hauptbahnhoftrain S3 / ...

9h 11m

€339–631

Cardiff to Heidelberg train times

Trains run 5 times a day between Cardiff and Heidelberg. The earliest departure is at 6:51 AM in the morning, and the last departure from Cardiff is at 9:20 PM which arrives into Heidelberg at 2:41 PM. All services require a transfer at London Paddington and take an average of 11h 58m. The schedules shown below are for the next available departures.

Departing Saturday, October 17, 2026

4:23 PM → 10:51 AM
Arrives next day
17h 28m • 4 changes
8:22 PM → 5:16 PM
Arrives next day
19h 54m • 4 changes

Departing Sunday, October 18, 2026

8:50 AM → 6:41 PM
8h 51m • 4 changes
11:20 AM → 9:49 PM
9h 29m • 4 changes
12:20 PM → 10:49 PM
9h 29m • 4 changes
4:20 PM → 10:51 AM
Arrives next day
17h 31m • 4 changes
Show more

Departing Monday, October 19, 2026

6:51 AM → 5:16 PM
9h 24m • 4 changes
8:38 AM → 6:41 PM
9h 2m • 4 changes
9:19 AM → 7:16 PM
8h 57m • 4 changes
10:50 AM → 9:49 PM
9h 59m • 4 changes
Show more

Departing Tuesday, October 20, 2026

6:51 AM → 5:16 PM
9h 24m • 4 changes
8:38 AM → 6:41 PM
9h 2m • 4 changes
9:19 AM → 7:16 PM
8h 57m • 4 changes
10:50 AM → 9:49 PM
9h 59m • 4 changes
Show more

Departing Wednesday, October 21, 2026

6:51 AM → 5:16 PM
9h 24m • 4 changes
8:38 AM → 6:41 PM
9h 2m • 4 changes
9:19 AM → 7:16 PM
8h 57m • 4 changes
10:50 AM → 9:49 PM
9h 59m • 4 changes
Show more

Departing Thursday, October 22, 2026

6:51 AM → 5:16 PM
9h 24m • 4 changes
8:38 AM → 6:41 PM
9h 2m • 4 changes
9:19 AM → 7:16 PM
8h 57m • 4 changes
10:50 AM → 9:49 PM
9h 59m • 4 changes
Show more

Departing Friday, October 23, 2026

6:51 AM → 5:16 PM
9h 24m • 4 changes
8:38 AM → 6:41 PM
9h 2m • 4 changes
9:19 AM → 7:16 PM
8h 57m • 4 changes
10:50 AM → 9:49 PM
9h 59m • 4 changes

Frequently asked questions

Want to know about travelling from Cardiff to Heidelberg? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.

What companies run services between Cardiff, Wales and Heidelberg, Germany?

You can take a train from Cardiff Central to Heidelberg, Hauptbahnhof via London Paddington, Paddington, King's Cross St. Pancras station, London St Pancras Intl, Paris Nord, Paris Est, Karlsruhe Hbf, and Karlsruhe Hauptbahnhof in around 9h 11m.

Operators