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Milford Haven to Cardiff Bay train timetable
The journey from Milford Haven to Cardiff Bay on the fastest train in 3h 11m, usually 3h 25m. Each day, 14 trains leave from Milford Haven, starting at 05:53 and ending at 23:20. Get real-time updates on train schedules, delays, and cancellations. Save time, effort, and money with TrainPal.
| Departs | Arrives | Operator | ||
|---|---|---|---|---|
13:58 Milford Haven | 3h 26m, 2 change | 17:24 Cardiff Bay | Transport for Wales | Find tickets |
15:00 Milford Haven | 3h 24m, 2 change | 18:24 Cardiff Bay | Transport for Wales | Find tickets |
16:50 Milford Haven | 3h 34m, 2 change | 20:24 Cardiff Bay | Transport for Wales | Find tickets |
18:00 Milford Haven | 3h 24m, 2 change | 21:24 Cardiff Bay | Transport for Wales | Find tickets |
19:00 Milford Haven | 3h 25m, 3 change | 22:25 Cardiff Bay | Transport for Wales | Find tickets |
Milford Haven to Cardiff Bay train tickets and times
Milford Haven to Cardiff Bay train travel guide
Travelling by train from Milford Haven to Cardiff Bay is efficient and offers a scenic and comfortable experience. With frequent departures from Milford Haven, you can reach Cardiff Bay in just 3h 11m, making it one of the fastest and most convenient ways to travel between these two places.

Planning and booking
How much does it cost for a train from Milford Haven to Cardiff Bay?
Ticket prices from Milford Haven to Cardiff Bay average around €14.12, but vary based on travel dates and ticket flexibility. To see the exact fare for your trip, please perform a search with your preferred dates.
How do I find the best train route from Milford Haven to Cardiff Bay?
What is the fastest train from Milford Haven to Cardiff Bay?
The fastest train journey time from Milford Haven to Cardiff Bay is 3h 11m. Direct trains can save significant time by avoiding transfers. Always check if a direct route is available for your journey. Moreover, when searching for trains, consider the total travel time. Some routes with fewer stops or more efficient schedules might be faster.
Are there direct trains from Milford Haven to Cardiff Bay?
No, there are no direct trains from Milford Haven to Cardiff Bay. However, you can still find the best train options using the TrainPal Train Journey Planner. Simply enter your departure and arrival stations to see all available train services and plan your trip
Is it worth taking a train from Milford Haven to Cardiff Bay?
Yes, choosing the train offers an excellent blend of comfort, speed, and convenience. It's a more relaxing and sustainable option than driving, allowing you to bypass traffic and parking hassles. While coaches might have lower fares, the train provides a superior travel experience with more space and a more flexible timetable. Its key advantage is arriving directly in the city centre, making it one of the most efficient ways to reach your destination.
How far in advance can I book my train ticket?
To get the best price on UK train tickets, it is essential to book as early as you can. Train operators generally release their cheapest Advance tickets up to 12 weeks ahead of the travel date, making early booking the most effective way to secure a lower fare.

Check timetables and during the journey
How do I find Milford Haven to Cardiff Bay train timetables?
While Milford Haven to Cardiff Bay trains are usually on time, delays or disruptions may occur due to weather, strikes, and other factors. Finding a train timetable for your trip from Milford Haven to Cardiff Bay is easy with Train Journey Planner. Simply enter your departure and arrival stations to get a detailed schedule of available trains. Input your travel details to discover the best routes, connections, and train times.
How early should I arrive for a train in the UK?
It’s recommended to reach the train station 15-20 minutes before your train is set to leave. This gives you sufficient time to locate your platform, particularly in larger stations. Arriving early is also beneficial if you need to collect tickets or find your way around an unfamiliar station, helping to minimise any potential stress.
Do Milford Haven to Cardiff Bay trains offer Wi-Fi and other facilities?
Yes, most trains on the Milford Haven to Cardiff Bay route offer amenities like Wi-Fi, food services, and various seating options. Additional facilities may include power sockets, accessibility features, and luggage storage. Check the specific amenities offered by the train operator when booking, as these can vary.
How do I transfer between train stations in the UK?
Check our Train Journey Planner, which provides detailed information about transfers to ensure your journey is uninterrupted, saving you time and effort, and allowing you to get a full rest for travelling.
What is the difference between Standard and First Class?
First Class offers an updated experience with more comfort and amenities, such as complimentary food and drinks. The exact services offered depend on the specific train operator.

Other things you might be interested
Are there discounts for students or seniors on UK train tickets?
Can UK train tickets be refunded or changed?
How do I check train delays and cancellations in the UK?
Use TrainPal for quick access to live updates and notifications. If your phone allows messages from us, you'll receive instant notifications about train cancellations directly on your screen.
Which train companies operate the Milford Haven to Cardiff Bay route?
The route from Milford Haven to Cardiff Bay is operated by Great Western Railway. To find the operator for any other journey, perform a search for your route on this page; the operator's name will be listed with each travel option.
Essential onboard rules and facilities
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Luggage
Your free luggage allowance includes up to three items per passenger, covering standard bags like suitcases, backpacks, and other similarly-sized items.
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Bicycle
Bike reservations are mandatory and free for most train journeys, but space is limited. Standard bicycles and folding bikes are generally allowed. Some operators also permit tandems and e-bikes. Please note that e-scooters, motorcycles, tricycles, and bicycle trailers are not permitted. We strongly recommend checking the specific cycle policy on your train operator's website before you travel.
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Children
Discounts are available for young travellers based on age: Travellers under 5 usually travel free, children aged 5–15 get a 50% discount, and 16 to 17-year-olds can use a 16-17 Saver Railcard to get 50% off.
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Pets
Bring up to 2 pets free; keep dogs on a lead or in a carrier. No animals on seats or in restaurant carriages.
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Passenger assistance
Passengers with disabilities or additional needs can arrange assistance with their train operator, if required. To ensure support is available for your journey, this service should be booked in advance.
How to buy cheap Milford Haven to Cardiff Bay train tickets

Cheaper train tickets for less busy times. Combine with Advance fares for the best deals.
Compensation and refunds

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* Prices are dynamic and subject to change. Ticket prices vary based on time of day, route, and class. This pricing does not apply to discounted Split tickets and Railcards.






















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