Cardiff to Sudbury Trains

Cardiff to Sudbury trains

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Trip Overview

The average train between Cardiff and Sudbury takes 4h 24m and the fastest train takes 3h 27m. There is a train service every few hours from Cardiff to Sudbury. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

4h 24m
Duration: 207 mi
Distance: £111
Average price: Hourly
Frequency

Train via London

best

Take the train from Cardiff Central to London Paddingtontrain Swansea - London Paddington / ...
Take the train from Stratford (London) to Marks Teytrain London Liverpool Street - Ipswich / ...

4h 24m

£92–166

Cardiff to Sudbury train times

Trains run hourly between Cardiff and Sudbury. The earliest departure is at 6:24 AM in the morning, and the last departure from Cardiff is at 9:20 PM which arrives into Sudbury at 6:15 AM. All services require a transfer at London Paddington and take an average of 4h 24m. The schedules shown below are for the next available departures.

Departing Saturday, October 17, 2026

7:18 AM → 11:21 AM
4h 3m • 3 changes
8:23 AM → 12:21 PM
3h 58m • 3 changes
9:19 AM → 1:21 PM
4h 2m • 3 changes
10:20 AM → 2:21 PM
4h 1m • 3 changes
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Departing Sunday, October 18, 2026

9:35 AM → 1:36 PM
4h 1m • 3 changes
10:20 AM → 2:36 PM
4h 16m • 3 changes
11:20 AM → 3:36 PM
4h 16m • 3 changes
12:20 PM → 4:36 PM
4h 16m • 3 changes
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Departing Monday, October 19, 2026

6:24 AM → 10:21 AM
3h 57m • 3 changes
7:23 AM → 11:21 AM
3h 57m • 3 changes
8:38 AM → 12:21 PM
3h 42m • 3 changes
9:19 AM → 1:21 PM
4h 2m • 3 changes
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Departing Tuesday, October 20, 2026

6:24 AM → 10:21 AM
3h 57m • 3 changes
7:23 AM → 11:21 AM
3h 57m • 3 changes
8:38 AM → 12:21 PM
3h 42m • 3 changes
9:19 AM → 1:21 PM
4h 2m • 3 changes
Show more

Frequently asked questions

Want to know about travelling from Cardiff to Sudbury? 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.