- Recommended
Eton College Museum of Antiquities
Historic Eton museum exploring school life, traditions, and objects linked to one of Britain's best-known colleges.
Cheapest price on Sep 19
€60
Average ticket price on Sep 19
€66
Fastest journey on Sep 19
1 h 58 m
Average journey duration on Sep 19
2 h
Trains on Sep 19
6
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 €66 if you buy it on the day, but the cheapest tickets can be found for only €60.
It's difficult to get from Cardiff to Slough without transferring at least once.
W35184+
C37765
W35172+
C37397
W35181+
C37680
C42289+
C37490
C42291+
C37408
W35172+
C37397
W35181+
C37680
W35184+
C37765
C42291+
C37408
C42290+
C37584Omio 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 an average ticket price of €27 For those with little time, consider booking a train, which has an average total journey time of 2h 21m. If you are seeking to minimise your carbon footprint, the train is your best option, with estimated CO2 emissions of 0.1 - 0.2kg. Average ticket prices depend on the travel mode: a bus costs an average of €27, while a train costs an average of €70.
Distance: 111 miles (179 km)
Most popular Train | Bus | Driving |
|---|---|---|
€70 Average price | €27 Average price Cheapest | €38 Average price (fuel + tolls) |
2h 21m Average total duration Fastest 1h 51m Onboard + 30m Additional time* | 5h 0m Average total duration 4h 30m 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 €44 less than a train for this route with tickets for a train from Cardiff to Slough costing on average €70.
Other travel options to Slough take longer:
Bus takes on average 4h 30m.
You'll arrive about 31m sooner (1h 51m by train vs 2h 22m by car). Tickets start at around €70 compared to roughly €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.
The table below shows live departures for Cardiff to Slough trains for tomorrow, Saturday, September 19. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
W35172+ C37397 | 8:23 AM Cardiff Central (CDF) | 1h58 | 10:21 AM Slough station (SLO) | 1 transfer | |
C42289+ C37490 | 9:19 AM Cardiff Central (CDF) | 2h02 | 11:21 AM Slough station (SLO) | 1 transfer | |
C42290+ C37584 | 10:20 AM Cardiff Central (CDF) | 2h01 | 12:21 PM Slough station (SLO) | 1 transfer | |
W35181+ C37680 | 11:20 AM Cardiff Central (CDF) | 2h01 | 1:21 PM Slough station (SLO) | 1 transfer | |
W35184+ C37765 | 12:20 PM Cardiff Central (CDF) | 2h01 | 2:21 PM Slough station (SLO) | 1 transfer | |
C42291+ C37408 | 1:20 PM Cardiff Central (CDF) | 2h01 | 3:21 PM Slough station (SLO) | 1 transfer | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
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.
Trains from Cardiff to Slough run on average 7 times per day, taking around 1h 51m. Cheap train tickets for this journey start at €58 but you can travel from only €14 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 39m.
Distance 111 miles (179 km) |
Average train duration 1h 51m |
Cheapest ticket price €58 |
Trains per day 7 |
Fastest train 1h 39m |
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 Sun |
Best time to book 3 days |
Discover the best of Slough — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Slough trip today.
Historic Eton museum exploring school life, traditions, and objects linked to one of Britain's best-known colleges.
Museum in nearby Windsor Castle displaying armour, uniforms, and military history linked to the Household Cavalry.
Noted modern and contemporary art gallery at nearby Eton College, presenting ambitious exhibitions in a refined setting.
Expansive country park on Slough's edge with lakes, paths, and wildlife habitats popular for walking and birdwatching.
Historic common and parkland near Slough with ponds, open space, and easy walking routes through Windsor's landscape.
Central cultural hub with library, performance venue, and public space, popular for events and a modern view of Slough.
A classic British breakfast of eggs, bacon, sausage, beans, mushrooms and toast. A staple in cafés across Slough and a familiar local weekend meal.
A Punjabi-influenced chickpea curry served with fluffy fried bread. Popular in Slough's large South Asian community and widely eaten for breakfast or lunch.
Boneless chicken in a creamy tomato sauce, usually served with rice or naan. A much-loved British curry house favourite commonly eaten in Slough.
Upscale Indian restaurant known for refined curries, tandoori dishes and polished service in an elegant setting.
Well-known pub restaurant by Stoke Poges serving British classics, grills and ales in a traditional country setting.
Long-established South Indian vegetarian venue popular for dosas, thalis and sweets in a busy, casual atmosphere.
Moderate for the South East. Hotels can be pricey near Heathrow, but dining and local transit are usually cheaper than central London.
Service may be included. If not, tip 10-12.5% in restaurants for good service. Taxis are often rounded up or tipped 10%. Cafes usually do not expect tips.
Official public transport app
Slough Railway Station -> Slough Bus Station, 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.

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.
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 options include: Gourmet Coffee Bar & Kitchen, Pret a Manger, Tesco Express
Free Wi-Fi in the station. ATMs are located outside of the main entrance.
The ticket office is open Mon - Fri: 05:40 - 21:30, Sat: 05:40 - 21:30, Sun: 07:30 - 21:30.
Lost and found is available at the station.
Available at Cardiff Central: Parking, Taxis, WC.
Available at Cardiff Central: Bike Parking, Bike Rental, Car Rental.
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.
Nearby hotels include Clayton Hotel Cardiff, Cardiff Marriott Hotel, Travelodge Cardiff Central.
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 options are available at Cardiff Queen Street.
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.
Lost and found is available at the station.
Available at Cardiff Queen Street: Parking, Taxis, WC.
Available at Cardiff Queen Street: Bike Parking, Bike Rental.
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.
Nearby hotels include Travelodge.
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 options include: The Moon and Spoon, The Red Lion
Free. ATMs are available in the train station.
Ticket office support is available at Slough. Information desks are located in the main hall.
Luggage storage is available at Slough. Lost and found is available at the station.
Available at Slough: Parking, Taxis, WC.
Available at Slough: Bike Parking, Bike Rental, Car Rental.
Accessibility facilities are available at Slough: Elevators, ramps.
Nearby hotels include Holiday Inn Slough - Windsor, Moxy Slough, Travelodge Slough.
Here are some other resources that might have the information you need