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.
Travel optionsfrom Cardiff to Slough
How to get from Cardiff to Slough by train, bus or flight.
Our recommendation
The best way to travel from Cardiff to Slough is by taking a bus because it’s the best combination of price and speed.
NX509 · RE7023:15 AM5h45Cardiff, Sophia Gardens9:00 AMSlough, Wellington Street$181One-way1 transfer
Cheapest
NX509 · RE7023:15 AM5h45Cardiff, Sophia Gardens9:00 AMSlough, Wellington Street$181One-way1 transfer
Fastest
G15048+
C376812:54 PM1h59Cardiff Central (CDF)4:53 PMSlough station (SLO)$781One-way1 transfer
Other options
G15047+
C3742512:50 PM2h01Cardiff Central (CDF)2:51 PMSlough station (SLO)$521One-way1 transfer
W35187+
C375381:50 PM2h01Cardiff Central (CDF)3:51 PMSlough station (SLO)$621One-way1 transfer
W35188+
C376042:18 PM2h03Cardiff Central (CDF)4:21 PMSlough station (SLO)$731One-way1 transfer
NX507 · RE7026:45 PM5h52Cardiff, Sophia Gardens12:37 AMSlough, Wellington Street$181One-way1 transfer
NX509 · RE7024:45 PM5h52Cardiff, Sophia Gardens10:37 PMSlough, Wellington Street$181One-way1 transfer
NX509 · RE7028:30 AM5h55Cardiff, Sophia Gardens2:25 PMSlough, Wellington Street$181One-way1 transfer
Find all the dates and times for this journey by train, bus, flight, and ferry .
Compare prices and tickets Prices for trains, buses and flights
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.
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FAQs: Travel from Cardiff to Slough
Travel to Slough easily. Whether you want fast, cheap or something entirely different, our travel experts have collected everything you need to know so you can find the best option from Cardiff to Slough.

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.
- Around 17 buses per day.
- Around 7 trains per day.
However, we recommend checking specific travel dates for your route between Cardiff and Slough as scheduled services by train and bus can vary by season or day of the week.
- Trains mostly depart from Cardiff Central (CDF) and arrive in Slough station (SLO).
- Buses mostly depart from Cardiff, Sophia Gardens and arrive in Slough, Wellington Street.
- Ferries mostly depart from Yarmouth and arrive in Lymington Pier.
- Travel with Great Western Railway, Great Western Railway (GWR) to go to Slough by train.
- Travel with National Express, FlixBus to go to Slough by bus.
- 0 direct trains per day with Great Western Railway (GWR).
- 7 direct buses per day with FlixBus.
Travelling from Cardiff to Slough: related information
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