Slough to Cardiff train with Great Western Railway

Sun, Jun 21
+ Add return
Great Western Railway
Elizabeth Line (TfL)
Great Western Railway (GWR)
Regionale
Deutsche Bahn
2,000+ travel companies
Great Western Railway
Elizabeth Line (TfL)
Great Western Railway (GWR)
Regionale
Deutsche Bahn
2,000+ travel companies
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The cheapest and fastest trains from Slough to Cardiff

Showing times and prices for Jun 21

Cheapest price

$55

Average price

$56

Fastest journey

1 h 53 m

Average duration

1 h 59 m

Trains per day

6

Distance

179 km

Cheap tickets

The best way to find a cheap train ticket from Slough to Cardiff is to book your journey as far in advance as possible and to avoid traveling at rush hour.

The average ticket from Slough to Cardiff will cost around $56 if you buy it on the day, but the cheapest tickets can be found for only $55.

Fast trains

It's difficult to get from Slough to Cardiff without transferring at least once.

  • Great Western RailwayC48231 · C50046
    1:54 PM2h18
    Slough station (SLO)
    4:12 PMCardiff Central (CDF)
    $551One-way
    1 transfer
  • Great Western RailwayW34876 · C01227
    10:35 AM1h59
    Slough station (SLO)
    12:34 PMCardiff Central (CDF)
    $561One-way
    1 transfer
  • Great Western RailwayW34886 · C50047
    12:35 PM2h00
    Slough station (SLO)
    2:35 PMCardiff Central (CDF)
    $561One-way
    1 transfer
  • Great Western RailwayW34871 · C01228
    9:35 AM1h53
    Slough station (SLO)
    11:28 AMCardiff Central (CDF)
    $561One-way
    1 transfer
  • Great Western RailwayC33064 · C00840
    1:36 PM2h04
    Slough station (SLO)
    3:40 PMCardiff Central (CDF)
    $561One-way
    1 transfer

Travel Information

Compare bus and train for Slough to Cardiff

Omio recommends booking the train as it is the most popular option from Slough to Cardiff among Omio's users. If you are prioritising price take the bus with prices starting from $15. For those with little time consider booking a train which can get you there in 1h 59m. In case you are seeking to minimise your carbon footprint the train is your best bet as it emits only 0.1 - 0.2kg. The ticket price range depends on the travel mode: a bus costs an average of $15, and a train costs an average of $53.

Distance: 111 miles (179 km)

Compare train with

Most popular
Train
Bus
Driving

$92

Average price

$21

Average price

Cheapest

$46

Average price

(fuel + tolls)

2h 29m

Average total duration

Fastest

1h 59m

Onboard

+

30m

Additional time*

4h 40m

Average total duration

4h 10m

Onboard

+

30m

Additional time*

2h 20m

Average total duration

(door-to-door)

0.1 - 0.2kg

CO2 emissions

Lowest

0.2 - 0.4kg

CO2 emissions

-

CO2 emissions

Great Western Railway

Most popular train company

FlixBus

Most popular bus company

Your own car or car rental

Direct Options

Direct Options

Direct Options

Additional time: Average total travel duration to departure point, security checks and transfers.

The cheapest way to travel from Slough to Cardiff is a bus with an average price of $21 (€17).

This is compared to other travel options from Slough to Cardiff:

A bus is $71 (€58) less than a train for this route with tickets for a train from Slough to Cardiff costing on average $92 (€75).

The fastest way to travel from Slough to Cardiff is by train with an average journey time of 1h 59m.

Other travel options to Cardiff take longer:

Bus takes on average 4h 10m.

It's helpful to compare your options as there are 2 ways to travel between Slough and Cardiff including taking a bus and train.
We recommend using the train as it is the most popular way to get from Slough to Cardiff among Omio's users.
Take the train. It's meaningfully faster than driving, and the time saved usually justifies the price.

You'll arrive about 21m sooner (1h 59m by train vs 2h 20m by car). Tickets start at around $92 (€75) compared to roughly $46 (€38) in fuel and tolls — so you're paying a bit more, but getting hours of your day back, a city-centre arrival, and the freedom to work or relax instead of drive.

Driving makes more sense if you're travelling as a group (where fuel costs split several ways), want to stop along the way, or need a car once you arrive.

Live departures

Slough to Cardiff train times

The table below shows live departures for Slough to Cardiff trains for tomorrow, Sunday, June 21. You can also manually refresh the results below to see updated train journeys.

Last updated at
ProviderDepartsDurationArrivesTransfers
Tickets
Great Western RailwayW34871 · C012289:35 AM Slough station (SLO)
1h53
11:28 AM Cardiff Central (CDF)1 transfer
Great Western RailwayW34876 · C0122710:35 AM Slough station (SLO)
1h59
12:34 PM Cardiff Central (CDF)1 transfer
Great Western RailwayC33062 · C0122611:35 AM Slough station (SLO)
1h59
1:34 PM Cardiff Central (CDF)1 transfer
Great Western RailwayW34886 · C5004712:35 PM Slough station (SLO)
2h00
2:35 PM Cardiff Central (CDF)1 transfer
Great Western RailwayC33064 · C008401:36 PM Slough station (SLO)
2h04
3:40 PM Cardiff Central (CDF)1 transfer
Great Western RailwayC48231 · C500461:54 PM Slough station (SLO)
2h18
4:12 PM Cardiff Central (CDF)1 transfer

This is the last train of the day.

Find all the dates and times for this journey

Compare prices and tickets Slough to Cardiff by bus or train

Compare bus and train prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.

Sun
Jun 21
Mon
Jun 22
Tue
Jun 23
Wed
Jun 24
Thu
Jun 25
Fri
Jun 26
Sat
Jun 27

Why should you book Slough to Cardiff trains with Omio?

Great Western Railway as well as Elizabeth Line (TfL) or Great Western Railway (GWR) offer trains services from Slough to Cardiff.
Omio is an official ticket reseller for all your travel options from Slough to Cardiff.

Why book with Omio vs Great Western Railway?

  • Compare with other providers: On Omio, you can not only buy tickets for Great Western Railway, but also compare tickets for the likes of Elizabeth Line (TfL) or Great Western Railway (GWR) to find the best option for your trip from Slough to Cardiff.
  • Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
  • Compare all your options: Omio allows you to compare Great Western Railway with all available travel options, which are bus and train to ensure you get the best deal for traveling from Slough to Cardiff.

Why book with Omio over Wanderu?

  • Multiple modes of transport: Omio allows you to compare travel options including bus and train to find the ideal travel option from Slough to Cardiff.

How far in advance should I book train tickets from Slough to Cardiff?

The best time to book your train from Slough to Cardiff is 49 days before departure. See how prices for trains change on the Slough to Cardiff route.
Prices are for one-way tickets for one passenger from Slough to Cardiff per month. Insights are sourced from fares found by Omio users in the last 12 months. Current prices may differ as prices vary depending on the time of day, class or how far in advance you book your train from Slough to Cardiff.

Journey information

Overview: Train from Slough to Cardiff

United KingdomUnited Kingdom
United KingdomUnited Kingdom
Icon of train

Trains from Slough to Cardiff run on average 6 times per day, taking around 1h 59m. Cheap train tickets for this journey start at $53 (€44) but you can travel from only $15 (€12) by bus.

The earliest train runs at 04:02, the last at 22:54. The fastest train covers the 111 miles (179 km) distance in 2h 6m.

Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Bus from $15 (€12)
Distance
111 miles (179 km)
Average train duration
1h 59m
Cheapest ticket price
$53 (€44)
Trains per day
6
Fastest train
2h 6m
First train
4:02 AM
Last train
10:54 PM
Cheapest Month
Dec
Cheapest Day
Sat
High Season
Jan - Mar
Low Season
Oct - Dec
Busiest Day
Wed
Least Busy Day
Thu
Best time to book
63 days
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Bus from $15 (€12)

Train companies: Great Western Railway, Elizabeth Line (TfL), Great Western Railway (GWR) from Slough to Cardiff trainsGreat Western Railway, Elizabeth Line (TfL), Great Western Railway (GWR) trains will get you between Slough and Cardiff from $15 (€12). With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.

Great Western Railway

About
Great Western Railway is a train operating company in the United Kingdom. It operates services from London Paddington to the West of England, South Wales and the Cotswolds. It also operates services from London Paddington to Oxford, Reading and Bristol. It offers a range of ticket types, including Advance, Anytime, Off-Peak and Super Off-Peak tickets. Onboard facilities include free Wi-Fi, power sockets, air conditioning and catering services. The most popular routes for Great Western Railway are London Paddington to Bristol, Reading and Oxford.
Luggage & cancellation policy
Average Duration
2h 6m
Cheapest Price
$53 (€44)
Great Western Railway frequency
6 a day
Luggage included
Two pieces of luggage and one piece of hand luggage included in ticket price
Luggage storage
Overhead racks, dedicated luggage areas at end of carriages, under seats
Cancellation Policy
Refund policies apply as per ticket type
Refund
Full refund if train is cancelled
Amenities on board the train
Wifi
Food sold onboard
Cafe bar serving hot and cold drinks, snacks, sandwiches. First Class at-seat service on some routes
Seat reservation
Optional seat reservations available for a fee. Free in First Class
Toilets
USB plugs
Accessibility
Wheelchair spaces, accessible toilets, ramps for boarding, priority seating, assistance service available
Pets
Small pets travel free. Dogs must be on lead. Maximum two dogs per passenger
Quiet zone

Elizabeth Line (TfL)

Luggage & cancellation policy
Average Duration
1h 52m
Cheapest Price
$149 (€122)
Elizabeth Line (TfL) frequency
8 a day

Great Western Railway (GWR)

Luggage & cancellation policy
Average Duration
2h 1m
Cheapest Price
$164 (€134)
Great Western Railway (GWR) frequency
16 a day

Complete guide to Cardiff

Things to do in Cardiff

Discover the best of Cardiff — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Cardiff trip today.

  • Must visit

National Museum Cardiff

Major national museum with art, natural history, and geology collections in central Cardiff.

  • Must visit

St Fagans National Museum of History

Open-air museum showcasing Welsh historic buildings, traditions, and everyday life on a large heritage site.

  • Recommended

Museum of Cardiff

City museum covering Cardiff’s social history, industry, communities, and urban development.

Pound Sterling

Generally cheaper than London. Hotels can rise on event days, but food, transport, and pubs are usually moderate for UK city travel.

Average meal costs

Budget
GBP 8-15 for takeaway or a casual lunch.
Mid-range
GBP 18-35 per person at a standard restaurant.
Fine dining
GBP 60+ per person at upscale restaurants.
Coffee
GBP 3-4.50 for a regular coffee.

Tipping culture

Service charge is not always included. Tip about 10-12.5% in restaurants for good service, round up taxis, and tipping in pubs or cafes is optional.

FAQs: Trains from Slough to Cardiff

Find answers to the most common questions about traveling from Slough to Cardiff by train. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest train, the cheapest option, or tips for making the most of your visit at Cardiff, this guide helps you travel smarter and with confidence.

FAQs
Train ticket prices from Slough to Cardiff can vary. The cheapest ticket starts at $53 (€44), while the average price is around $92 (€75).
The train from Slough to Cardiff takes 2h 6m and runs 6 per day.
The first train from Slough to Cardiff leaves at 4:02 AM.
The distance by train from Slough to Cardiff is 111 miles (179 km).
The last train from Slough to Cardiff leaves at 10:54 PM.
There is no high speed train available from Slough to Cardiff.
There is no direct train service currently available from Slough to Cardiff.
Unfortunately, there is no night train available from Slough to Cardiff.
The train station in Slough that goes to Cardiff is Slough station (SLO), which connects to Cardiff Central (CDF).
The cheapest way to get from Slough to Cardiff is by bus, with a cost of around $15 (€12).
The train journey from Slough to Cardiff offers picturesque views, especially as it passes through the lush landscapes of the Cotswolds and along the River Severn, providing a scenic experience.
A day trip from Slough to Cardiff is not feasible as the journey takes 2h 6m, which exceeds the 120-minute limit. Trains run 4 times per day.
In Cardiff, you can enjoy a variety of activities and sights. Attend performances at the Millennium Centre, explore the vibrant nightlife in the city center, or take a scenic boat tour around Cardiff Bay. For adventure, visit Cardiff International White Water for rafting and kayaking. Shop and dine at Cardiff Market. Discover history at Cardiff Castle and St Fagans National Museum of History, explore art and culture at the National Museum Cardiff, and relax in Bute Park. Cardiff Bay also offers dining, entertainment, and cultural attractions.
A visit of 2 to 3 days is typically sufficient to explore Cardiff's main attractions, such as Cardiff Castle, the National Museum, and Cardiff Bay, while allowing time for leisure and dining experiences.
Yes, you can take the train from Slough to Cardiff.
Since neither Slough nor Cardiff are in the Schengen Area, passport requirements depend on the specific immigration rules of United Kingdom and United Kingdom. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
Popular day trips by train from Cardiff include Swansea, Bristol, Bath, Newport, Gloucester.
We recommend using the train as it is the most popular way to get from Slough to Cardiff among Omio's users.
Items not allowed on trains typically include hazardous materials such as explosives, flammable liquids, corrosive substances, and illegal drugs. Additionally, large or bulky items that may obstruct aisles or emergency exits, as well as pets without proper carriers, may be restricted. Specific prohibited items can vary by train operator and region, so please check the rules for your particular journey.
Yes, rail passes such as the BritRail Pass are valid on most trains within the United Kingdom, offering unlimited travel on participating train operators for a set period.
The currency used in the United Kingdom is the British Pound Sterling (GBP). For travelers, using a card is generally more convenient and widely accepted, especially in cities and for transportation tickets, though carrying some cash can be useful for small purchases or in rural areas.
In Cardiff, travelers should be cautious of pickpocketing, especially in crowded areas like Cardiff Central Station and popular tourist spots. Taxi scams can occur, so it’s advisable to use licensed taxis or reputable ride-hailing apps. Additionally, travelers should be aware of occasional street distractions designed to divert attention while accomplices attempt theft. Staying vigilant and securing personal belongings helps ensure a safe visit.
Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.

popular train stations

Popular train stations from Slough to Cardiff

Slough
Cardiff
The major train station for departures in Slough is Slough. Find all the information you need to know about services, amenities and connections at Slough for your trip from Slough to Cardiff.
Amenities at train station
WifiWifi
LockersLockers
ParkingParking
DiningDining
ATMATM
TaxisTaxis
AccessibilityAccessibility
WCWC
HotelHotel
Lost and Found OfficeLost and Found Office
Ticket OfficeTicket Office
Bike ParkingBike Parking
Bike RentalBike Rental
Car RentalCar Rental
Information DeskInformation Desk
Luggage CartsLuggage Carts
information
phone
Phone Number
ticketOfficeHours
Ticket Office Hours
  • 6:00 AM - 8:00 PM Monday - Sunday
platformCount
Number of platforms
5
Wifi
Wifi
  • Free
Parking
Parking
  • The car park is open 24/7. Access is via Brunel Way
Dining
Dining
  • The Moon and Spoon
  • The Red Lion
Taxis
Taxis
  • Outside the main entrance
Accessibility
Accessibility
  • Elevators, ramps
WC
WC
  • £0.50
Hotel
Hotel
  • Holiday Inn Slough - Windsor
  • Moxy Slough
  • Travelodge Slough
Lost and Found Office
Lost and Found Office
  • Located in the main hall
Bike Parking
Bike Parking
  • 36 places, covered
Car Rental
Car Rental
  • Enterprise
  • Europcar
Information Desk
Information Desk
  • Located in the main hall
Luggage Carts
Luggage Carts
  • Free
Station Plan
  • Hall 1: main entrance, platform 1-5 for trains to London and Reading
  • Hall 2: ticket office and waiting area
Public transit options for Slough
  • Train: Great Western Railway services
  • Bus: Several local bus services available

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