Cardiff to Heidelberg Trains

Trip Overview

The average train between Cardiff and Heidelberg takes 12h 10m and the fastest train takes 8h 41m. 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.

12h 10m
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 Ice
Take the train from Karlsruhe Hauptbahnhof to Heidelberg, Hauptbahnhoftrain S3 / ...

9h 47m

€339–656

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 12h 10m. The schedules shown below are for the next available departures.

Departing Saturday, October 31, 2026

8:22 PM → 5:16 PM
Arrives next day
19h 54m • 4 changes

Departing Sunday, November 1, 2026

8:50 AM → 6:41 PM
8h 51m • 4 changes
9:35 AM → 7:16 PM
8h 41m • 4 changes
11:20 AM → 9:49 PM
9h 29m • 4 changes
6:20 PM → 10:51 AM
Arrives next day
15h 31m • 4 changes
Show more

Departing Monday, November 2, 2026

6:51 AM → 5:16 PM
9h 24m • 4 changes
8:38 AM → 6:41 PM
9h 2m • 4 changes
10:50 AM → 9:49 PM
9h 59m • 4 changes
5:18 PM → 10:51 AM
Arrives next day
16h 33m • 4 changes
Show more

Departing Tuesday, November 3, 2026

6:51 AM → 5:16 PM
9h 24m • 4 changes
7:49 AM → 6:41 PM
9h 51m • 4 changes
10:50 AM → 9:49 PM
9h 59m • 4 changes
5:18 PM → 10:51 AM
Arrives next day
16h 33m • 4 changes
Show more

Departing Wednesday, November 4, 2026

6:51 AM → 5:16 PM
9h 24m • 4 changes
7:49 AM → 6:41 PM
9h 51m • 4 changes
10:50 AM → 9:49 PM
9h 59m • 4 changes
5:18 PM → 10:51 AM
Arrives next day
16h 33m • 4 changes
Show more

Departing Thursday, November 5, 2026

6:51 AM → 5:16 PM
9h 24m • 4 changes
8:38 AM → 6:41 PM
9h 2m • 4 changes
10:50 AM → 9:49 PM
9h 59m • 4 changes
5:18 PM → 10:51 AM
Arrives next day
16h 33m • 4 changes
Show more

Departing Friday, November 6, 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 47m.

Operators