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Trains from Brentford to
Cardiff Bay

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Brentford to Cardiff Bay by train

A train trip from Brentford to Cardiff Bay takes about 4hrs 16 mins on average, covering roughly 123 miles (198 kilometres). With around 24 trains running each day, there's plenty of flexibility for your travel plans. If you book in advance, you can grab tickets starting from just £27.00, making it a budget-friendly option for those who plan ahead.

Brentford to Cardiff Bay Key Stats

Arrival Station

Cardiff Bay

Departure Station

Brentford

Frequency

24trains
per day

Journey Time

from3hrs 30 mins

Changes

4-4no direct
trains

First Train / Last Train

05:38 / 00:26

Distance

123miles
(198 km)

1 Routes

3 Train Operators

Prices

from£27.00

Travelling from Brentford to Cardiff Bay by Train

Hop on a Train from Brentford to Cardiff Bay – It’s Faster Than You Think!

Planning to travel from Brentford to Cardiff Bay by train? Well, you've come to the right place – and don’t worry, it won’t take forever!

On average, the journey takes around 4hrs 16 mins. But if you’re in a hurry (or just really eager to get to Cardiff Bay), the fastest trains can whisk you there in just 3hrs 30 mins. With roughly 24 trains running every day, you're spoiled for choice. This scenic 123-mile (198 km) journey usually requires just one change. You’ll be in the good hands of GWR, South Western Railway, Transport for Wales, all of whom offer comfy seats and plenty of luggage space – because, let’s face it, nobody likes a cramped train!

The best part? Tickets start from just £27.00 if you book in advance, which is a much better deal than scrambling for tickets on the day. Want to save even more? Travelling during Off-Peak hours or flashing a Railcard can help you keep more money in your wallet.

So, ready to snag those cheap tickets? Use our Journey Planner to find the latest prices and make your wallet happy. Keep scrolling for more travel tips, or check out our timetable above for live train times. Time to choo-choo your way to Cardiff Bay!

Journey Details

Frequently asked questions about journeys between Brentford and Cardiff Bay

Curious about your trip from Brentford to Cardiff Bay? We've put together answers to the most commonly asked questions from our customers to make planning your journey easier.

How long does it take to travel between Brentford and Cardiff Bay by train?

The travel time between Brentford and Cardiff Bay by train varies depending on the type of train and the route, but the average journey time is 4hrs 16 mins & the fastest journey takes 3hrs 30 mins.

What's the fastest journey time between Brentford and Cardiff Bay by train?

The fastest journey time by train from Brentford to Cardiff Bay is 3hrs 30 mins.

How much does the train from Brentford to Cardiff Bay cost?

Train ticket prices from Brentford to Cardiff Bay can start from as little as £27.00 when you book in advance. The cost of tickets can vary depending on the time of day, route and class you book and are usually more expensive if you book on the day.

What are the departure and arrival times for trains between Brentford and Cardiff Bay?

The departure and arrival times for trains between Brentford and Cardiff Bay vary depending on the day of the week and the type of train. Generally, there are around 24 departures and arrivals throughout the day. The first departure is 05:38, and the last train of the day leaves at 00:26.

What is the difference between first class and standard class on trains between Brentford and Cardiff Bay?

First class tickets on trains between Brentford and Cardiff Bay typically offer more space, complimentary food and drink, and other amenities compared to standard class.

What amenities are available on trains between Brentford and Cardiff Bay?

Amenities on trains between Brentford and Cardiff Bay can include free Wi-Fi, power outlets, onboard catering, and comfortable seating.

What is the cheapest way to travel from Brentford to Cardiff Bay by train?

By booking your tickets on traintickets.com! There are many ways to save on the cost of train travel between Brentford and Cardiff Bay. On traintickets.com, we do all the work for you to find the cheapest way possible to get to Cardiff Bay, and can save you up to 90%! Simply search for your journey, and be assured we have found you the best possible price.

Is it possible to take a direct train from Brentford to Cardiff Bay?

No, unfortunately there are no direct trains between Brentford & Cardiff Bay. However, there are 24 possible journeys which require a change.

What train companies run services from Brentford to Cardiff Bay?

GWR, South Western Railway and Transport for Wales are the main train operating companies running services between Brentford and Cardiff Bay.

Can I bring luggage on board trains between Brentford and Cardiff Bay?

Yes, you can bring luggage on board trains between Brentford and Cardiff Bay, but there may be limits on the number of bags or the size and weight of your luggage.

When are Brentford to Cardiff Bay Train Times?

Check out the upcoming trains from Brentford to Cardiff Bay on Thursday 1st May 2025, with our handy timetable below.

Alternatively, you can view the full day's schedule or search for a different date here!

Thursday 1st May
DepartsArrivesChangesVia StationsDurationOperator
13:24 Brentford17:06 Cardiff Bay4 changesLondon Waterloo
London Paddington
Cardiff Central
Cardiff Queen Street
3 hrs 42 mins Get Tickets
14:24 Brentford18:06 Cardiff Bay4 changesLondon Waterloo
London Paddington
Cardiff Central
Cardiff Queen Street
3 hrs 42 mins Get Tickets
14:54 Brentford18:36 Cardiff Bay4 changesLondon Waterloo
London Paddington
Cardiff Central
Cardiff Queen Street
3 hrs 42 mins Get Tickets
15:24 Brentford19:06 Cardiff Bay4 changesLondon Waterloo
London Paddington
Cardiff Central
Cardiff Queen Street
3 hrs 42 mins Get Tickets
15:54 Brentford19:36 Cardiff Bay4 changesLondon Waterloo
London Paddington
Cardiff Central
Cardiff Queen Street
3 hrs 42 mins Get Tickets
16:24 Brentford20:06 Cardiff Bay4 changesLondon Waterloo
London Paddington
Cardiff Central
Cardiff Queen Street
3 hrs 42 mins Get Tickets
16:54 Brentford20:54 Cardiff Bay4 changesLondon Waterloo
London Paddington
Cardiff Central
Cardiff Queen Street
4 hrs Get Tickets
17:24 Brentford21:06 Cardiff Bay4 changesLondon Waterloo
London Paddington
Cardiff Central
Cardiff Queen Street
3 hrs 42 mins Get Tickets
17:54 Brentford21:24 Cardiff Bay4 changesLondon Waterloo
London Paddington
Cardiff Central
Cardiff Queen Street
3 hrs 30 mins Get Tickets
18:25 Brentford22:06 Cardiff Bay4 changesLondon Waterloo
London Paddington
Cardiff Central
Cardiff Queen Street
3 hrs 41 mins Get Tickets
19:09 Brentford23:24 Cardiff Bay4 changesLondon Waterloo
London Paddington
Cardiff Central
Cardiff Queen Street
4 hrs 15 mins Get Tickets
20:55 Brentford06:36 Cardiff Bay4 changesLondon Waterloo
London Paddington
Cardiff Central
Cardiff Queen Street
9 hrs 41 mins Get Tickets
Search all times & prices for today

What are my cheap ticket options for Brentford to Cardiff Bay journeys?

From booking in Advance, to our FairSplits, here are our tips for you to find the best price

Advance Tickets

A single ticket for one journey leaving at a specific date and time.

The rule is: the sooner you book the cheaper they are. Usually the cheapest, but least flexible.

Advance fares from Brentford to Cardiff Bay start from as little as £27.00

Off-Peak & Super Off-Peak Tickets

Offering greater flexibility than Advances, Off-Peak tickets offer travel during less busy times of day trading off more flexibility in the Off-Peak windows but for still discounted fares.

Off Peak fares from Brentford to Cardiff Bay start from £57.10 one way, or £99.00 return

Anytime Tickets

Anytime tickets are fully flexible allowing travel at any time of the day. Brilliant if you don’t want the pressure of clock watching, returning when you want

Anytime fares from Brentford to Cardiff Bay are available for £149.50 one way, or £299.00 return

With our FairSplit technology, you can save up to 90% on the cost of train travel.

Split ticketing means that instead of purchasing one rail ticket for your journey we automatically find and help you book two or more tickets instead, covering exactly the same journey. We call it our FairSplit.

Travelling in a group? We can save you even more!

Unlike other split ticketing sites, you can enter multiple railcards in a single search on traintickets.com. We will find you the best price using all possible combinations of your railcards in conjunction with our split ticketing technology & GroupSave.

When you do a search on traintickets.com we check all the cheapest prices automatically

Everything you need to know about Brentford Station

Exploring Brentford Train Station: A Gateway to London

If you've ever traveled across West London, there's a good chance you’ve crossed paths with Brentford Train Station. Nestled within an intriguing mix of the modern and the historical, Brentford is a gateway for travelers seeking both the calm of suburban life and the excitement of Central London. Understanding the facilities and linkages available at Brentford Station can make your journey smoother and more enjoyable, whether you're a first-timer or a seasoned commuter.

Brentford Station Amenities

At Brentford Station, the ticketing facilities include ticket machines for quick purchases and online ticket collection. Designed with accessibility in mind, these machines accommodate Disabled Persons Railcard discounts. Although there’s no ticket office open on weekends, the weekday window from 06:30 to 10:30 should suffice for early commuters.

Travelers requiring special assistance can benefit from platforms equipped with step-free access as well as lifts connecting different levels. Even though staff assistance is not available on-site, customer help points provide necessary support, including an induction loop for the hearing impaired. Remember, CCTV monitoring is in place across the station to ensure safety.

Your Transport Connection Hub

Brentford Station is well-connected, serving as a pivotal point for various transport modes. Rail replacement services have designated stops (Bus Stop SK and Bus Stop SM on Boston Manor Road) for continued journeys to Hounslow and Kew Bridge respectively. For local bus schedules, printable journey plans are accessible online, ensuring you can synchronize your rail and bus travel efficiently.

Embark on Popular Routes

The station's location makes it ideal for exploring a myriad of London and Greater London destinations. Hop onto a train from Brentford and find yourself at bustling commuter hubs like Clapham Junction or the touristic allure of London Waterloo. Other enticing routes include travel to Vauxhall, Putney, and the suburban charm of Wimbledon, ensuring you can always discover new urban and suburban corners of the capital.

Making the Most of Your Departure

Considering the station’s limited amenities such as the absence of refreshments, ATMs, or waiting rooms, it might be a good idea to plan ahead. However, this should not deter an adventure-seeker as the station’s close proximity to key London locales compensates for these omissions. The station provides sheltered bike storage and, though small, parking spaces, which can be a perk for those driving or cycling to the station.

Your Ticket Awaits

As you plan your journeys from Brentford Train Station, purchasing tickets in advance can streamline your travel plans. You can easily buy and collect your tickets from the ticket machines available on-site. Embrace the chance to venture into the heart of London or catch a train to a quieter destination; Brentford Train Station connects you to a world of opportunities.

Whether you're commuting to work, heading for a leisurely day out, or exploring new destinations, Brentford Train Station serves as your reliable travel companion. So grab your tickets, plan your route, and let Brentford open the door to your next adventure.

Everything you need to know about Cardiff Bay Station

Explore Cardiff Bay Train Station: Your Gateway to Adventure

Looking to explore the beautiful Cardiff Bay area or need a convenient station for your daily commute? Cardiff Bay Train Station is a hub poised to cater to every traveler, whether you're visiting for leisure or business. Although a smaller station, it offers essential services to kickstart your journey with ease.

Facilities at Cardiff Bay Station

While Cardiff Bay Train Station may not boast extensive amenities, it does efficiently cover the key necessities for travelers. You won't find a ticket office but don’t fret! Ticket machines are there to facilitate collection of pre-purchased tickets, accept both cash and cards, and are accessible for all travelers, including those who use wheelchairs. Notably, the station provides step-free access from Bute Street and Lloyd George Avenue, maintaining its 'Category A' accessibility status.

For those curious about smart travel, Cardiff Bay does not issue smartcards, but validators are available for use. And should you need assistance, a help point is there, alongside departure and arrival screens, ensuring you’re kept in the loop about train statuses. Be sure to take advantage of the assistance service, which permits bookings up to two hours before your trip starts. Whenever needed, contacting the Transport for Wales Customer Relations team is a few clicks away.

Getting There and Away: Transport Connections

Effortlessly commute in and out of Cardiff Bay with the station’s array of transport links. A strategically placed rail replacement bus stop awaits on Bute Street, and bus services are conveniently available right outside the station. If you fancy cycling over public transport, Nextbike/Ovo bike sharing has you covered, with docking stations ready at Lloyd George Avenue for exploring the city on two wheels.

Travel Inspiration: Destinations from Cardiff Bay

Cardiff Bay is more than just a starting point; it’s a gateway to numerous popular destinations throughout Wales. Plan a quick trip to Cardiff Queen Street for shopping or head towards Cardiff Central for further connections. Delight in a scenic ride to Barry Island, or join the cultural festivities in Swansea. Whether for work or pleasure, hopping on a train from Cardiff Bay will take you anywhere you need to go with ease.

Wrap Up Your Cardiff Journey

While it may not resemble the grand European stations with vast facilities, Cardiff Bay Train Station still holds its charm. Simple, efficient, and conveniently located, it stands ready to cater to your travel needs without hassle. So, plan your trip, grab your tickets, and let Cardiff Bay Train Station be your gateway to exploring the vibrant scenes and serene landscapes of Wales.

Need more detailed travel information or want to organize your tickets beforehand? Visit National Rail's official website for a seamless experience.

Looking for more inspiration?

Popular places to travel by train from Brentford