Cardiff to Rennes Trains

Trip Overview

The average train between Cardiff and Rennes takes 8h 46m and the fastest train takes 7h 5m. The train service runs several times per day from Cardiff to Rennes. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

8h 46m
Duration: 1,049 km
Distance: €375
Average price: Every 3 hours
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 Montparnasse 1 Et 2 to Rennestrain Tgv

7h 38m

€308–524

Cardiff to Rennes train times

Trains run every 3 hours between Cardiff and Rennes. The earliest departure is at 5:07 AM in the morning, and the last departure from Cardiff is at 9:20 PM which arrives into Rennes at 11:25 AM. All services require a transfer at London Paddington and take an average of 8h 46m. The schedules shown below are for the next available departures.

Departing Wednesday, October 28, 2026

2:18 PM → 11:09 PM
7h 51m • 4 changes
5:18 PM → 8:15 AM
Arrives next day
13h 57m • 4 changes
9:20 PM → 11:25 AM
Arrives next day
13h 5m • 4 changes

Departing Thursday, October 29, 2026

5:07 AM → 2:25 PM
8h 18m • 4 changes
6:51 AM → 3:25 PM
7h 33m • 4 changes
7:49 AM → 4:25 PM
7h 35m • 4 changes
8:38 AM → 5:18 PM
7h 39m • 4 changes
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Departing Friday, October 30, 2026

5:07 AM → 2:25 PM
8h 18m • 4 changes
6:51 AM → 3:25 PM
7h 33m • 4 changes
7:49 AM → 4:25 PM
7h 35m • 4 changes
9:19 AM → 5:27 PM
7h 8m • 4 changes
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Departing Saturday, October 31, 2026

5:14 AM → 1:25 PM
7h 11m • 4 changes
6:48 AM → 3:25 PM
7h 37m • 4 changes
7:50 AM → 4:25 PM
7h 35m • 4 changes
8:51 AM → 5:18 PM
7h 27m • 4 changes
Show more

Departing Sunday, November 1, 2026

8:50 AM → 5:18 PM
7h 28m • 4 changes
10:20 AM → 6:25 PM
7h 5m • 4 changes
11:20 AM → 7:25 PM
7h 5m • 4 changes
12:20 PM → 8:27 PM
7h 7m • 4 changes
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Departing Monday, November 2, 2026

5:07 AM → 2:25 PM
8h 18m • 4 changes
6:51 AM → 3:25 PM
7h 33m • 4 changes
7:49 AM → 4:25 PM
7h 35m • 4 changes
8:38 AM → 5:18 PM
7h 39m • 4 changes
Show more

Departing Tuesday, November 3, 2026

5:07 AM → 2:25 PM
8h 18m • 4 changes
6:51 AM → 3:25 PM
7h 33m • 4 changes
7:49 AM → 4:25 PM
7h 35m • 4 changes
9:49 AM → 6:25 PM
7h 36m • 4 changes
Show more

Frequently asked questions

Want to know about travelling from Cardiff to Rennes? 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 Rennes, France?

You can take a train from Cardiff Central to Rennes via London Paddington, Paddington, King's Cross St. Pancras station, London St Pancras Intl, Paris Nord, Gare du Nord, Montparnasse Bienvenue, and Paris Montparnasse 1 Et 2 in around 7h 38m.

Operators