London to Cardiff Bay (Water) Trains

London to Cardiff Bay (Water) trains

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Trip Overview

The average train between London and Cardiff Bay (Water) takes 2h 31m and the fastest train takes 1h 58m. There is an hourly train service from London to Cardiff Bay (Water). The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

2h 31m
Duration: 147 mi
Distance: £72
Average price: Hourly
Frequency

Train

best

Take the train from London Paddington to Cardiff Centraltrain London Paddington - Swansea / ...

2h 15m

£62–109

London to Cardiff Bay (Water) train times

Trains run hourly between London and Cardiff Bay (Water). The earliest departure is at 5:23 AM in the morning, and the last departure from London is at 10:49 PM which arrives into Cardiff Bay (Water) at 5:22 AM. All services require a transfer, and take on average 2h 31m. The schedules shown below are for the next available departures.

Departing Sunday, November 8, 2026

4:45 PM → 6:46 PM
2h 1m • 1 change
5:45 PM → 8:08 PM
2h 23m • 1 change
6:45 PM → 8:46 PM
2h 1m • 1 change
7:45 PM → 10:08 PM
2h 23m • 1 change
Show more

Departing Monday, November 9, 2026

5:23 AM → 8:36 AM
3h 13m • 1 change
6:48 AM → 9:06 AM
2h 18m • 1 change
7:12 AM → 9:37 AM
2h 25m • 1 change
7:48 AM → 10:06 AM
2h 18m • 1 change
Show more

Departing Tuesday, November 10, 2026

5:23 AM → 8:36 AM
3h 13m • 1 change
6:48 AM → 9:06 AM
2h 18m • 1 change
7:12 AM → 9:37 AM
2h 25m • 1 change
7:48 AM → 10:06 AM
2h 18m • 1 change
Show more

Departing Wednesday, November 11, 2026

5:23 AM → 8:36 AM
3h 13m • 1 change
6:48 AM → 9:06 AM
2h 18m • 1 change
7:12 AM → 9:37 AM
2h 25m • 1 change
7:48 AM → 10:06 AM
2h 18m • 1 change
Show more

Departing Thursday, November 12, 2026

5:23 AM → 8:36 AM
3h 13m • 1 change
6:48 AM → 9:06 AM
2h 18m • 1 change
7:12 AM → 9:37 AM
2h 25m • 1 change
7:48 AM → 10:06 AM
2h 18m • 1 change
Show more

Departing Friday, November 13, 2026

5:23 AM → 8:36 AM
3h 13m • 1 change
6:48 AM → 9:06 AM
2h 18m • 1 change
7:12 AM → 9:37 AM
2h 25m • 1 change
7:48 AM → 10:06 AM
2h 18m • 1 change
Show more

Departing Saturday, November 14, 2026

6:48 AM → 9:06 AM
2h 18m • 1 change
7:48 AM → 9:57 AM
2h 9m • 1 change
8:48 AM → 11:06 AM
2h 18m • 1 change
9:48 AM → 12:06 PM
2h 18m • 1 change
Show more

Frequently asked questions

Want to know about travelling from London to Cardiff Bay (Water)? 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.

London to Cardiff Bay (Water) trains

Find Transport to Cardiff Bay (Water)

Trip Overview

Train

London to Cardiff Bay (Water) train times

Departing Sunday, November 8, 2026

4:45 PM → 6:46 PM

5:45 PM → 8:08 PM

6:45 PM → 8:46 PM

7:45 PM → 10:08 PM

Departing Monday, November 9, 2026

5:23 AM → 8:36 AM

6:48 AM → 9:06 AM

7:12 AM → 9:37 AM

7:48 AM → 10:06 AM

Departing Tuesday, November 10, 2026

5:23 AM → 8:36 AM

6:48 AM → 9:06 AM

7:12 AM → 9:37 AM

7:48 AM → 10:06 AM

Departing Wednesday, November 11, 2026

5:23 AM → 8:36 AM

6:48 AM → 9:06 AM

7:12 AM → 9:37 AM

7:48 AM → 10:06 AM

Departing Thursday, November 12, 2026

5:23 AM → 8:36 AM

6:48 AM → 9:06 AM

7:12 AM → 9:37 AM

7:48 AM → 10:06 AM

Departing Friday, November 13, 2026

5:23 AM → 8:36 AM

6:48 AM → 9:06 AM

7:12 AM → 9:37 AM

7:48 AM → 10:06 AM

Departing Saturday, November 14, 2026

6:48 AM → 9:06 AM

7:48 AM → 9:57 AM

8:48 AM → 11:06 AM

9:48 AM → 12:06 PM

Frequently asked questions

What companies run services between London, England and Cardiff Bay (Water), Wales?

Train from London Paddington to Cardiff Central

Train trips from London

Train trips to Cardiff Bay (Water)

Alternative transport options