Cardiff to Saint-Omer Trains

Cardiff to Saint-Omer trains

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Trip Overview

The average train between Cardiff and Saint-Omer takes 7h 3m and the fastest train takes 4h 33m. The train service runs several times per day from Cardiff to Saint-Omer. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

7h 3m
Duration: 564 km
Distance: €210
Average price: Every 4 hours
Frequency

Train

best

Take the train from Cardiff Central to London Paddingtontrain
Take the train from London St Pancras Intl to Lille Europetrain Eil
Take the train from Lille Flandres to St Omertrain Ter

5h 42m

€180–309

Cardiff to Saint-Omer train times

Trains run every 4 hours between Cardiff and Saint-Omer. The earliest departure is at 7:50 AM in the morning, and the last departure from Cardiff is at 9:20 PM which arrives into Saint-Omer at 11:25 AM. All services require a transfer at London Paddington and take an average of 7h 3m. The schedules shown below are for the next available departures.

Departing Thursday, October 15, 2026

8:38 AM → 3:00 PM
5h 21m • 3 changes
10:19 AM → 5:00 PM
5h 41m • 3 changes
12:50 PM → 6:24 PM
4h 34m • 3 changes
2:18 PM → 9:00 PM
5h 42m • 3 changes
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Departing Friday, October 16, 2026

8:38 AM → 3:00 PM
5h 21m • 3 changes
10:19 AM → 5:00 PM
5h 41m • 3 changes
12:50 PM → 6:24 PM
4h 34m • 3 changes
2:18 PM → 9:00 PM
5h 42m • 3 changes
Show more

Departing Saturday, October 17, 2026

7:50 AM → 1:23 PM
4h 33m • 3 changes
9:19 AM → 3:24 PM
5h 5m • 3 changes
10:20 AM → 5:23 PM
6h 3m • 3 changes
12:20 PM → 7:25 PM
6h 5m • 3 changes
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Departing Sunday, October 18, 2026

10:20 AM → 5:23 PM
6h 3m • 3 changes
12:20 PM → 7:23 PM
6h 3m • 3 changes
3:17 PM → 9:23 PM
5h 6m • 3 changes
5:20 PM → 7:00 AM
Arrives next day
12h 40m • 3 changes

Departing Monday, October 19, 2026

8:38 AM → 3:00 PM
5h 21m • 3 changes
10:19 AM → 5:00 PM
5h 41m • 3 changes
12:50 PM → 6:24 PM
4h 34m • 3 changes
2:18 PM → 9:00 PM
5h 42m • 3 changes
Show more

Departing Tuesday, October 20, 2026

8:38 AM → 3:00 PM
5h 21m • 3 changes
10:19 AM → 5:00 PM
5h 41m • 3 changes
12:50 PM → 6:24 PM
4h 34m • 3 changes
2:18 PM → 9:00 PM
5h 42m • 3 changes
Show more

Departing Wednesday, October 21, 2026

8:38 AM → 3:00 PM
5h 21m • 3 changes
10:19 AM → 5:00 PM
5h 41m • 3 changes
12:50 PM → 6:24 PM
4h 34m • 3 changes
2:18 PM → 9:00 PM
5h 42m • 3 changes
Show more

Frequently asked questions

Want to know about travelling from Cardiff to Saint-Omer? 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.