Cardiff to Slough train with Great Western Railway

Tue 20 Oct
+ Add return
Great Western Railway
Avanti West Coast
Regionale
West Midlands Trains
CrossCountry
2,000+ travel companies
Great Western Railway
Avanti West Coast
Regionale
West Midlands Trains
CrossCountry
2,000+ travel companies
QR-Code
Scan to get our free app
Use our app to get live travel updates and book mobile tickets for trains, buses, flights, and ferries.
App Store
rate4.9
42K ratings
Google Play
rate4.6
136K reviews

The cheapest and fastest trains from Cardiff to Slough

Showing times, prices and bookable tickets for 20 Oct

Cheapest price on 20 Oct

£53

Average ticket price on 20 Oct

£53

Fastest journey on 20 Oct

2 h 1 m

Average journey duration on 20 Oct

2 h 1 m

Trains on 20 Oct

1

Distance

179 km

Cheap tickets

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

The average ticket from Cardiff to Slough will cost around £53 if you buy it on the day, but you can find cheap train tickets today for only £53.

Fast trains

On Tue 20 Oct, we found 1 trains from Cardiff to Slough, including 1 direct services.

These direct trains cover the 179 km distance in an average of 2 h 1 m but if you time it right, some trains will get you there in just 2 h 1 m .

The slowest trains will take 2 h 1 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.

  • Great Western Railway
    9:502h01
    Cardiff
    11:51Slough
    £531One-way
    0 changes

Journey information

Overview: Train from Cardiff to Slough

United KingdomUnited Kingdom
United KingdomUnited Kingdom
Icon of train

Trains from Cardiff to Slough run on average 7 times per day, taking around 1h 52m. Cheap train tickets for this journey start at £52 but you can travel from only £10 by coach.

The earliest train runs at 04:02, the last at 22:54. The fastest train covers the 179 km distance in 1h 39m.

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
Coach from £10
Distance
179 km
Average train duration
1h 52m
Cheapest ticket price
£52
Trains per day
7
Fastest train
1h 39m
First train
4:02
Last train
22:54
Cheapest Month
Oct
Cheapest Day
Tue
High Season
Apr - Jun
Low Season
Oct - Dec
Busiest Day
Sat
Least Busy Day
Sun
Best time to book
3 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
Coach from £10

Live departures

Cardiff to Slough train times

The table below shows live departures for Cardiff to Slough trains for today, Monday 19 October. You can also manually refresh the results below to see updated train journeys.

Last updated at
ProviderDepartsDurationArrivesChanges
Tickets
Great Western Railway8:19 Cardiff
2h02
10:21 Slough0 changesdirect
Great Western Railway10:50 Cardiff
2h01
12:51 Slough0 changesdirect
Great Western Railway12:13 Cardiff
2h08
14:21 Slough0 changesdirect

This is the last train of the day.

Find all the dates and times for this journey

Why should you book Cardiff to Slough trains with Omio?

Great Western Railway operates all trains services from Cardiff to Slough.
Omio is an official ticket reseller for all your travel options from Cardiff to Slough.

Why book with Omio vs Great Western Railway?

  • 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 train and bus to ensure you get the best deal for traveling from Cardiff to Slough.

Why book with Omio over Wanderu?

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

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

The best time to book your train from Cardiff to Slough is 3 days before departure. See how prices for trains change on the Cardiff to Slough route.
Prices are for one-way tickets for one passenger from Cardiff to Slough 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 Cardiff to Slough.

Train companies: Great Western Railway from Cardiff to Slough trainsGreat Western Railway trains will get you between Cardiff and Slough from £10. 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 Great Western Railway Duration
1h 39m
Cheapest Great Western Railway Price
£52
Great Western Railway frequency
7 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

Complete guide to Slough

Things to do in Slough

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

  • Recommended

Slough Museum

A local museum on Slough’s social and industrial history, with changing displays and archive material in the town centre.

  • Recommended

Queen Mary's Dolls' House

A notable museum of dolls’ houses and miniatures in Windsor, with detailed period interiors and tiny crafted objects.

Eton Museum of Antiquities

A compact local history museum in Eton covering school, town and river life through objects, documents and temporary displays.

Pound sterling (£)

Moderate for England. Hotels can be pricey near London links, but dining and local transport are usually cheaper than central London.

Average meal costs

Budget
£8-12 for fast food or a simple meal.
Mid-range
£18-30 per person for a restaurant meal.
Fine dining
£50+ per person for upscale dining.
Coffee
£3-4 for a cappuccino.

Tipping culture

Tipping is modest. In restaurants, 10-12.5% is common if service is not included. Round up for taxis. Cafes do not expect tips, but small change is appreciated.

Best day trips from Slough by train

The most popular day trips by train from Slough are London, Windsor, Oxford, Reading and Bath. Find out what you can do in these day trip destinations and how to book your train from Slough on Omio.

A view of London

Day trip from Slough to London by train

Why visit London for the day?

London blends royal history with modern city life, known for its museums, theatre and global food scene. Along the Thames, grand landmarks sit beside diverse neighbourhoods shaped by finance, fashion and contemporary culture.

How to get from Slough to London by train?

There are 8 trains per day. The earliest train runs at 00:01, the last at 23:58. The fastest train covers the 33 km distance in 14m.

A view of Windsor

Day trip from Slough to Windsor by train

Why visit Windsor for the day?

Windsor is a historic Thames-side town known for Windsor Castle and its strong royal identity. Its compact centre, riverside setting and nearby parkland give it a refined but approachable character.

How to get from Slough to Windsor by train?

The earliest train runs at 00:03, the last at 23:58.

A view of Oxford

Day trip from Slough to Oxford by train

Why visit Oxford for the day?

Oxford is known for its historic university, elegant colleges and long academic tradition. Its medieval streets, museums and riverside setting give the city a thoughtful but lively character.

How to get from Slough to Oxford by train?

There are 1 trains per day. The earliest train runs at 00:05, the last at 23:58. The fastest train covers the 53 km distance in 40m.

A view of Reading

Day trip from Slough to Reading by train

Why visit Reading for the day?

Reading is a busy Thames Valley town known for its music festival, business links and the remains of Reading Abbey. The centre combines modern shopping with riverside paths and a lively food and arts scene.

How to get from Slough to Reading by train?

There are 8 trains per day. The earliest train runs at 00:03, the last at 23:58. The fastest train covers the 27 km distance in 12m.

A view of Bath

Day trip from Slough to Bath by train

Why visit Bath for the day?

Bath is known for its Roman Baths, graceful Georgian architecture and links to Jane Austen. Its compact centre feels elegant yet lively, with historic streets, independent shops and a long-standing spa culture.

How to get from Slough to Bath by train?

The earliest train runs at 01:55, the last at 23:49. The fastest train covers the 123 km distance in 1h 4m.

FAQs: Cardiff to Slough train

Find answers to the most common questions about traveling from Cardiff to Slough 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 Slough, this guide helps you travel smarter and with confidence.

FAQs
The cost of a train ticket from Cardiff to Slough can vary. The cheapest tickets are usually available from £52, while the average price tends to be around £63.
The train journey from Cardiff to Slough covers a distance of 179 km and takes approximately 1h 39m. Trains run 7 per day.
The train distance from Cardiff to Slough is 179 km.
The first train from Cardiff to Slough leaves at 4:02.
The last train from Cardiff to Slough departs at 22:54.
Trains from Cardiff to Slough run approximately 7 times per day.
Yes, there is a high-speed train service from Cardiff to Slough.
Unfortunately, there is no direct train service currently available from Cardiff to Slough.
Yes, there is a night train from Cardiff to Slough.
The train station in Cardiff that goes to Slough is Cardiff Central (CDF), and it arrives at Slough station (SLO).
Booking trains from Cardiff to Slough in advance is advisable, especially during peak travel seasons or for long journeys, to ensure availability and secure better fares.
The train journey from Cardiff to Slough offers varied scenery, featuring stretches of the Welsh countryside, views of the Severn Estuary, and glimpses of charming English towns as you approach Slough.
Yes, you can take the train from Cardiff to Slough.

popular train stations

Important Stations and Airports in Cardiff and Slough

Most Cardiff to Slough trains use the Cardiff Central to Slough station pair. Use this guide to compare Cardiff and Slough train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.

Departure train stations in Cardiff
Arrival train stations in Slough
Cardiff CentralCentral Square, Cardiff CF10 1EP, United Kingdom+44 3457114141WifiShoppingParkingDiningATMTaxisAccessibilityWCHotelLoungeLost and Found OfficeTicket OfficeBike ParkingBike RentalCar Rental
City-centre transport

Getting to Cardiff Central from Cardiff city centre

Bus24, 25, 27, 86, 62, 30, 35, 21, 136, 7, 23, 63, 64 · 3m · £2 · every ~47 min
C1 · 5m · every ~8 min

Cardiff Central train station facilities and services

Cardiff Central has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Lounge, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental and Car Rental.

Food and drink

Food options include: Gourmet Coffee Bar & Kitchen, Pret a Manger, Tesco Express

Wi-Fi and ATMs

Free Wi-Fi in the station. ATMs are located outside of the main entrance.

Tickets and information

The ticket office is open Mon - Fri: 05:40 - 21:30, Sat: 05:40 - 21:30, Sun: 07:30 - 21:30.

Luggage and lost property

Lost and found is available at the station.

Parking, taxis and toilets

Available at Cardiff Central: Parking, Taxis, WC.

Bike and car services

Available at Cardiff Central: Bike Parking, Bike Rental, Car Rental.

Accessibility

Accessibility facilities are available at Cardiff Central: There is step-free access in the whole station. There are also ramps for train access and elevators in the station.

Shops, hotels and contact

Nearby hotels include Clayton Hotel Cardiff, Cardiff Marriott Hotel, Travelodge Cardiff Central.

Cardiff Queen StreetCardiff Queen Street station, Station Terrace, Cardiff, Cardiff, CF10 4EYParkingDiningTaxisAccessibilityWCHotelLost and Found OfficeTicket OfficeBike ParkingBike RentalInformation Desk
City-centre transport

Getting to Cardiff Queen Street from Cardiff city centre

Bus52, 57, 58 · 13m · £2 · every ~25 min
C1 · 21m · every ~8 min

Cardiff Queen Street train station facilities and services

Cardiff Queen Street has practical services for this route, including Parking, Dining, Taxis, Accessibility, WC, Hotel, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental and Information Desk.

Food and drink

Food and drink options are available at Cardiff Queen Street.

Tickets and information

Ticket office support is available at Cardiff Queen Street. Information desks are information available from staff: Yes - from ticket office, Helpline Contact: 03333 211202, Passenger Information Systems: Departure screens, Announcements, Arrival screens.

Luggage and lost property

Lost and found is available at the station.

Parking, taxis and toilets

Available at Cardiff Queen Street: Parking, Taxis, WC.

Bike and car services

Available at Cardiff Queen Street: Bike Parking, Bike Rental.

Accessibility

Accessibility facilities are available at Cardiff Queen Street: Staff help available: Yes, Step free access coverage: Yes, Accessible ticket machines: There are accessible ticket machines at this station, Accessible ticket machines note: The ticket machines are near the main entrance and take cash and major debit and credit cards, Accessible toilets: Yes, Ramp for train access: Yes, Wheelchairs available: No, Impaired mobility set down / pick up points available: No.

Shops, hotels and contact

Nearby hotels include Travelodge.

More options for your journey from Cardiff to Slough

Here are some other resources that might have the information you need

The Omio App Makes Travel Planning Easy

We’ll get you where you want to go. From live train updates to mobile tickets, our innovative app is the ideal way to plan and keep track of your travel.

ios-badge
android-badge
Hand With Phone