.png){kind=small}
4.9
4.6The cheapest and fastest trains from Cardiff to Slough
Cheapest price
$55
Average price
$55
Fastest journey
2 h
Average duration
2 h 1 m
Trains per day
9
Distance
179 km
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 traveling at rush hour.
The average ticket from Cardiff to Slough will cost around $55 if you buy it on the day, but the cheapest tickets can be found for only $55.
It's difficult to get from Cardiff to Slough without transferring at least once.
W35442 · C008143:15 PM2h46Cardiff Central (CDF)6:01 PMSlough station (SLO)$551One-way1 transfer- W35445 · C479175:20 PM2h41Cardiff Central (CDF)8:01 PMSlough station (SLO)$551One-way1 transfer
- W35445+
F093235:20 PM2h01Cardiff Central (CDF)7:21 PMSlough station (SLO)$551One-way1 transfer - W35250+C353249:20 PM2h00Cardiff Central (CDF)11:20 PMSlough station (SLO)$551One-way1 transfer
- W35446+C353118:20 PM2h03Cardiff Central (CDF)10:23 PMSlough station (SLO)$551One-way1 transfer
- W35250+C353249:20 PM2h00Cardiff Central (CDF)11:20 PMSlough station (SLO)$551One-way1 transfer
- W35445+F093235:20 PM2h01Cardiff Central (CDF)7:21 PMSlough station (SLO)$551One-way1 transfer
- C00125+F093144:20 PM2h01Cardiff Central (CDF)6:21 PMSlough station (SLO)$551One-way1 transfer
- W35246+F093166:20 PM2h01Cardiff Central (CDF)8:21 PMSlough station (SLO)$551One-way1 transfer
- C00139+F093157:20 PM2h01Cardiff Central (CDF)9:21 PMSlough station (SLO)$551One-way1 transfer
Travel Information
Compare train and bus for Cardiff to Slough
Omio recommends booking the train as it is the most popular option from Cardiff to Slough among Omio's users. If you are prioritising price take the bus with prices starting from $13. For those with little time consider booking a train which can get you there in 1h 57m. 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 $13, and a train costs an average of $45.
Distance: 111 miles (179 km)
Compare train with
Most popular Train | Bus | Driving |
|---|---|---|
$74 Average price | $22 Average price Cheapest | $46 Average price (fuel + tolls) |
2h 27m Average total duration Fastest 1h 57m Onboard + 30m Additional time* | 4h 44m Average total duration 4h 14m Onboard + 30m Additional time* | 2h 22m Average total duration (door-to-door) |
0.1 - 0.2kg CO2 emissions Lowest | 0.2 - 0.4kg CO2 emissions | - CO2 emissions |
Most popular train company |  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.
This is compared to other travel options from Cardiff to Slough:
A bus is $52 (€42) less than a train for this route with tickets for a train from Cardiff to Slough costing on average $74 (€61).
Other travel options to Slough take longer:
Bus takes on average 4h 14m.
You'll arrive about 25m sooner (1h 57m by train vs 2h 22m by car). Tickets start at around $74 (€61) 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.
Direct services run with Great Western Railway (GWR).
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
Cardiff to Slough train times
The table below shows live departures for Cardiff to Slough trains for today, Saturday, June 20. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| W35195+C37690 | On time 4:23 PM Cardiff Central (CDF) | 1h58 | 6:21 PM Slough station (SLO) | 1 transfer | |
| W35199+C37776 | On time 5:18 PM Cardiff Central (CDF) | 2h03 | 7:21 PM Slough station (SLO) | 1 transfer | |
| C42296+C37418 | On time 6:19 PM Cardiff Central (CDF) | 2h02 | 8:21 PM Slough station (SLO) | 1 transfer | |
| W35203+C37513 | On time 7:19 PM Cardiff Central (CDF) | 2h02 | 9:21 PM Slough station (SLO) | 1 transfer | |
| C42297+C37597 | On time 8:22 PM Cardiff Central (CDF) | 1h59 | 10:21 PM Slough station (SLO) | 1 transfer | |
| C42277 · W34529+C35332 | On time 8:30 PM Cardiff Central (CDF) | 3h12 | 11:42 PM Slough station (SLO) | 2 transfers | |
| C42448 · C42157 · C47922 | On time 9:00 PM Cardiff Central (CDF) | 3h38 | 12:38 AM Slough station (SLO) | 2 transfers | |
| Sunday, June 21 | |||||
| W35442 · C00814 | 3:15 PM Cardiff Central (CDF) | 2h46 | 6:01 PM Slough station (SLO) | 1 transfer | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Cardiff to Slough by train or bus
Compare train and bus 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.
Jun 21
Jun 22
Jun 23
Jun 24
Jun 25
Jun 26
Jun 27
Why should you book Cardiff to Slough trains with Omio?
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 Great Western Railway (GWR) to find the best option for your trip from Cardiff to Slough.
- 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?
Journey information
Overview: Train from Cardiff to Slough
United KingdomUnited Kingdom
Trains from Cardiff to Slough run on average 7 times per day, taking around 1h 57m. Cheap train tickets for this journey start at $45 (€37) but you can travel from only $13 (€11) 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 1h 58m.
Distance 111 miles (179 km) |
Average train duration 1h 57m |
Cheapest ticket price $45 (€37) |
Trains per day 7 |
Fastest train 1h 58m |
First train 4:02 AM |
Last train 10:54 PM |
Cheapest Month Oct |
Cheapest Day Tue |
High Season Apr - Jun |
Low Season Oct - Dec |
Busiest Day Sat |
Least Busy Day Fri |
Best time to book 63 days |
Train companies: Great Western Railway, Great Western Railway (GWR) from Cardiff to Slough trainsGreat Western Railway, Great Western Railway (GWR) trains will get you between Cardiff and Slough from $13 (€11). With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Great Western Railway
Great Western Railway (GWR)
FAQs: Trains from Cardiff to Slough
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.
popular train stations
Popular train stations from Cardiff to 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.
Getting to Cardiff Central from Cardiff city centre
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.
Getting to Cardiff Queen Street from Cardiff city centre
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.
Getting to Cathays from Cardiff city centre
Cathays train station facilities and services
Cathays has practical services for this route, including Parking, Dining, Accessibility, Hotel, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental, and Information Desk.
Food and drink
Food and drink options are available at Cathays.
Tickets and information
Ticket office support is available at Cathays. Information desks are information available from staff: Yes - from ticket office, Helpline Contact: 03333 211202, Passenger Information Systems: Departure screens, Arrival screens.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Cathays: Parking.
Bike and car services
Available at Cathays: Bike Parking, Bike Rental.
Accessibility
Accessibility facilities are available at Cathays: Staff help available: Yes, Step free access coverage: No, Step free access note: Category B3. While both platforms are step-free, there is no facility for wheelchair users, mobility scooter users or persons with reduced mobility to cross between Platform 1 and 2 due to a steep footbridge. Customers who have travelled from the Valleys and wish to access the University or the Civic Centre are advised to travel to Queen Street station, change onto a North-bound service and alight at Cathays on the return service, Accessible ticket machines: There are accessible ticket machines at this station, Accessible ticket machines note: The ticket machine(s) take cash, and major debit and credit cards. The machine on the Cardiff-bound platform is only available during staffing hours. The machine on the Pontypridd-bound platform is available all the time, 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.
Which Slough station do trains from Cardiff arrive at?
Getting to Slough from Slough city centre
Slough train station facilities and services
Slough has practical services for this route, including Wifi, Lockers, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental, Car Rental, Information Desk, and Luggage Carts.
Food and drink
Food options include: The Moon and Spoon, The Red Lion
Wi-Fi and ATMs
Free. ATMs are available in the train station.
Tickets and information
Ticket office support is available at Slough. Information desks are located in the main hall.
Luggage and lost property
Luggage storage is available at Slough. Lost and found is available at the station.
Parking, taxis and toilets
Available at Slough: Parking, Taxis, WC.
Bike and car services
Available at Slough: Bike Parking, Bike Rental, Car Rental.
Accessibility
Accessibility facilities are available at Slough: Elevators, ramps.
Shops, hotels and contact
Nearby hotels include Holiday Inn Slough - Windsor, Moxy Slough, Travelodge Slough.
More options for your journey from Cardiff to Slough
Here are some other resources that might have the information you need
Most popular trains to and from Slough and Cardiff
Most popular train connections to Slough
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.
