- Must visit
National Museum Cardiff
National museum with art, natural history and geology collections, plus Impressionist works and changing exhibitions in Cathays Park.
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The cheapest and fastest coaches from Slough to Cardiff
Showing times and prices for 14 Aug
Cheapest price
£10
Average price
£19
Fastest journey
5 h 41 m
Average duration
5 h 46 m
Buses per day
18
Distance
179 km
Cheap tickets
The best way to find a cheap coach ticket from Slough to Cardiff is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from Slough to Cardiff will cost around £19 if you buy it on the day, but you can find cheap coach tickets today for only £10.
Fast coaches
To travel from Slough to Cardiff you need to make at least one change.
RE702 · NX50920:105h45Slough, Wellington Street1:55Cardiff, Sophia Gardens£101One-way1 change- RE702 · NX50921:025h53Slough, Wellington Street2:55Cardiff, Sophia Gardens£121One-way1 change
- RE702 · NX50922:005h45Slough, Wellington Street3:45Cardiff, Sophia Gardens£131One-way1 change
- RE702 · NX50918:185h41Slough, Wellington Street23:59Cardiff, Sophia Gardens£141One-way1 change
- RE702 · NX50919:125h48Slough, Wellington Street1:00Cardiff, Sophia Gardens£141One-way1 change
- RE702 · NX50918:185h41Slough, Wellington Street23:59Cardiff, Sophia Gardens£141One-way1 change
- RE702 · NX50920:105h45Slough, Wellington Street1:55Cardiff, Sophia Gardens£101One-way1 change
- RE702 · NX50922:005h45Slough, Wellington Street3:45Cardiff, Sophia Gardens£131One-way1 change
- RE702 · NX50919:125h48Slough, Wellington Street1:00Cardiff, Sophia Gardens£141One-way1 change
- RE702 · NX5076:115h49Slough, Wellington Street12:00Cardiff, Sophia Gardens£221One-way1 change
Travel Information
Compare coach 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 coach with prices starting from £11. 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 coach costs an average of £11, and a train costs an average of £39.
Distance: 179 km
Compare bus with
| Coach | Most popular Train |
|---|---|
£16 Average Price Cheapest | £68 Average Price |
4h 40m Average total duration 4h 10m Onboard + 30m Additional time* | 2h 29m Average total duration Fastest 1h 59m Onboard + 30m Additional time* |
0.2 - 0.4kg CO2 emissions | 0.1 - 0.2kg CO2 emissions Lowest |
 Most popular bus company |  Most popular train company |
Direct Options | Direct Options |
Additional time: Average total travel duration to departure point, security checks and transfers.
Live departures
Slough to Cardiff bus times
The table below shows live departures for Slough to Cardiff coaches for today, Thursday 13 August. You can also manually refresh the results below to see updated coach journeys.
Last updated at
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
| 20:40 Slough | 3h45 | 0:25 Cardiff | 0 changesdirect | |
| Friday 14 August | |||||
| RE702 · NX507 | 6:11 Slough, Wellington Street | 5h49 | 12:00 Cardiff, Sophia Gardens | 1 change | |
| RE702 · NX509 | 6:43 Slough, Wellington Street | 6h27 | 13:10 Cardiff, Sophia Gardens | 1 change | |
| RE702 · NX507 | 7:49 Slough, Wellington Street | 6h21 | 14:10 Cardiff, Sophia Gardens | 1 change | |
| RE702 · NX509 | 9:27 Slough, Wellington Street | 5h58 | 15:25 Cardiff, Sophia Gardens | 1 change | |
| RE702 · NX509 | 10:25 Slough, Wellington Street | 6h25 | 16:50 Cardiff, Sophia Gardens | 1 change | |
| RE702 · NX507 | 11:25 Slough, Wellington Street | 6h40 | 18:05 Cardiff, Sophia Gardens | 1 change | |
| RE702 · NX507 | 12:25 Slough, Wellington Street | 7h05 | 19:30 Cardiff, Sophia Gardens | 1 change | |
| RE702 · NX509 | 13:25 Slough, Wellington Street | 6h30 | 19:55 Cardiff, Sophia Gardens | 1 change | |
| RE702 · NX507 | 14:10 Slough, Wellington Street | 6h10 | 20:20 Cardiff, Sophia Gardens | 1 change | |
| RE702 · NX509 | 14:42 Slough, Wellington Street | 6h18 | 21:00 Cardiff, Sophia Gardens | 1 change | |
| RE702 · NX507 | 15:42 Slough, Wellington Street | 6h13 | 21:55 Cardiff, Sophia Gardens | 1 change | |
| RE702 · NX509 | 16:18 Slough, Wellington Street | 6h27 | 22:45 Cardiff, Sophia Gardens | 1 change | |
| RE702 · NX507 | 17:18 Slough, Wellington Street | 6h17 | 23:35 Cardiff, Sophia Gardens | 1 change | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Slough to Cardiff by coach or train
Compare coach 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.
Fri
14 Aug
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Sat
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17 Aug
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18 Aug
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20 Aug
Why should you book Slough to Cardiff coaches with Omio?
FlixBus as well as National Express or First Berkshire & The Thames Valley offer coaches 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 FlixBus?
- Compare with other providers: On Omio, you can not only buy tickets for FlixBus, but also compare tickets for the likes of National Express or First Berkshire & The Thames Valley 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 FlixBus 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 or Trainline?
- Compare with other providers: On Omio, you can also compare tickets for the likes of National Express or First Berkshire & The Thames Valley to find the best option for your trip from Slough to Cardiff.
- 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.
Journey information
Overview: Bus from Slough to Cardiff
United KingdomUnited Kingdom
Buses from Slough to Cardiff run on average 27 times per day, taking around 4h 10m. Cheap bus tickets for this journey start at £11 if you book in advance.
There are 8 coaches per day. The earliest coach runs at 00:15, the last at 23:35. The fastest coach covers the 179 km distance in 3h 10m.
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
Distance 179 km |
Average bus duration 4h 10m |
Cheapest ticket price £11 |
Buses per day 27 |
Direct buses 8 |
Fastest bus 3h 10m |
First bus 0:15 |
Last bus 23:35 |
Cheapest Month May |
Cheapest Day Sat |
High Season Jan - Mar |
Low Season Oct - Dec |
Busiest Day Wed |
Least Busy Day Thu |
Best time to book 1 day |
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
Bus providers: FlixBus, National Express, First Berkshire & The Thames Valley from Slough to CardiffYou can travel by bus between Slough to Cardiff with FlixBus, National Express, First Berkshire & The Thames Valley for as low as £11. When you search for schedules and tickets, Omio will show you the best journey
FlixBus
About
FlixBus is one of Europe’s leading low-cost bus companies, founded in Germany and now offering long-distance services across Europe and the United States. In addition to its extensive daytime network, FlixBus also operates overnight buses on select European routes. Standard amenities include free Wi-Fi, power outlets to charge devices, extra legroom, luggage space, and onboard toilets, with snacks and drinks available for purchase. FlixBus offers a single Standard ticket type for all routes, which includes one carry-on bag and one checked bag per passenger. Additional fees apply for extra luggage and for reserving specific seats, such as Extra Seats, Table Seats, or Panorama Seats. This combination of affordability, comfort, and wide coverage makes FlixBus a popular choice for budget-conscious travelers.
Luggage & cancellation policy
Average Duration
3h 10m
Cheapest Price
£13
FlixBus frequency
24 a day
Luggage included
One carry-on bag up to 7kg (42x30x18 cm) and one checked bag up to 20kg (80x50x30 cm).
Additional luggage
Additional luggage can be purchased for a fee.
Cancellation Policy
You can cancel your ticket up to 15 minutes before departure and receive a voucher for future travel. Refund requests for delays over 120 minutes are possible.
Amenities on board the bus
Wifi
Food sold onboard
Seat reservation
Toilets
USB plugs
Accessibility
Assistance; Priority boarding; Wheelchair-accessible buses.
Bikes
Bikes are allowed for a fee; must be booked.
Pets
Small pets in carriers allowed; guide dogs travel for free.
National Express
About
National Express is the UK’s leading long-distance coach company, operating over 550 services per day and serving more than 900 destinations nationwide. It also runs frequent services to major UK airports — including Heathrow, Gatwick, Stansted, Luton, and Bristol — 24 hours a day. All National Express coaches are air-conditioned and offer free Wi-Fi and onboard entertainment. Most vehicles are equipped with seat belts and power outlets at every seat, allowing you to charge your phone or laptop during your journey. Ticket options include Restricted Fare, Standard Fare, and Fully Flexible Fare, with the latter providing maximum flexibility for cancellations or changes.
Luggage & cancellation policy
Average Duration
5h 38m
Cheapest Price
£11
National Express frequency
28 a day
Luggage included
Two medium-sized suitcases up to 20kg each and one small piece of hand luggage.
Additional luggage
10€ per additional bag.
Cancellation Policy
You can cancel your ticket up to 24 hours before departure for a refund minus a cancellation fee. Changes can be up to 24 hours before departure for a fee.
Amenities on board the bus
Wifi
Food sold onboard
Seat reservation
Toilets
USB plugs
Accessibility
Assistance; Priority seating; Accessible toilets.
Bikes
Folding Bikes are allowed; non-folding bikes are not allowed.
First Berkshire & The Thames Valley
Luggage & cancellation policy
Average Duration
3h 34m
First Berkshire & The Thames Valley frequency
12 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
St Fagans National Museum of History
Open-air museum of Welsh life with historic buildings, crafts, gardens and rural traditions relocated to spacious grounds west of the city.
- Recommended
Museum of Cardiff
Museum in a Victorian library celebrating Cardiff’s story through interactive displays, local history and a well-presented city timeline.
- Must visit
Cardiff Arcades
Historic shopping arcades in the city centre, prized for Victorian and Edwardian architecture, independent shops and an easy walking atmosphere.
- Must visit
Bute Park
Large central parkland behind the castle, ideal for riverside walks, gardens, woodland paths and access to key civic sights.
- Must visit
Cardiff Bay
Revitalised waterfront district with public art, broad promenades, modern landmarks and easy walks around the former dock basin.
- Gluten-free
Cawl
A hearty Welsh broth of lamb or beef with leeks, potatoes and root vegetables. It is a classic national dish closely tied to Welsh home cooking.
- Vegetarian
Welsh rarebit
Traditional Welsh rarebit is toasted bread topped with a savoury cheese, ale and mustard sauce. It is a beloved pub and supper dish across Wales.
- Vegetarian
Bara brith
A sweet Welsh tea loaf made with dried fruit and mixed spice, usually sliced and spread with butter. It is a staple in cafés and homes.
Heaneys
Elegant dining room known for refined modern British cooking and polished service in central Cardiff.
Asador 44
Smart restaurant focused on local produce, seafood and modern British plates with a relaxed but polished atmosphere.
The Potted Pig
Stylish bistro and bar serving seasonal Welsh and British dishes, cocktails and brunch in a lively city-centre setting.
Pound sterling (£)
Moderate for a UK city. Hotels and dining are usually cheaper than London, while local transport and casual meals stay fairly manageable for most visitors.
Average meal costs
- Budget
- £8-15 for fast food or a simple meal.
- Mid-range
- £18-35 per person for a restaurant meal.
- Fine dining
- £60+ per person for upscale dining.
- Coffee
- £3-4.50 for a cappuccino.
Tipping culture
Service may be included in restaurants; if not, 10-12.5% is usual for good service. Round up taxi fares. Tipping in cafés is optional, usually small change or rounding up.
Cardiff Bus
Get the appOfficial public transport app
Prices
- Single ticket
- £2.40
- Day pass
- £5.20
To the city centre
Cardiff, North Road (Friary Gardens) -> Cardiff Bus Interchange
- Distance
- 1.2 km
- Travel time
- 15 min
- Cardiff Bus accepts contactless payment for adult single and day tickets, including Tap On, Tap Off on bus services.
- For travel from North Road into the centre, Cardiff Bus service 24 runs via North Road to Cardiff Bus Interchange.
FAQs: Slough to Cardiff coach
Find answers to the most common questions about traveling from Slough to Cardiff by coach. 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 coach, the cheapest option, or tips for making the most of your visit at Cardiff, this guide helps you travel smarter and with confidence.
Cheap coach tickets from Slough to Cardiff can start from as little as £11 when you book in advance. The average coach ticket price for Slough to Cardiff is £16; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The average journey time by coach from Slough to Cardiff is 3h 10m to travel the 179 km long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest coach from Slough to Cardiff leaves at 0:15. Plan your trip with the Journey Planner from Omio.
The latest coach from Slough to Cardiff leaves at 23:35.
Yes, there are 8 direct coaches a day from Slough to Cardiff with FlixBus. Schedules can vary on holidays or weekends with fewer direct coaches.
When taking a coach from Slough to Cardiff, you can count on FlixBus, National Express, First Berkshire & The Thames Valley for the best way to get you to Cardiff. You can also check all possible coach companies who offer a service between Slough and Cardiff and compare the amenities they offer before buying a coach ticket.
When departing from Slough , you have various coach station options to start your route from including Slough, Wellington Street, London, Heathrow Airport Terminals 2 & 3, London, Heathrow Airport Terminal 5 . When arriving in Cardiff , you can end your route in coach stations like Cardiff, Sophia Gardens, Cardiff, North Road (Friary Gardens), Cardiff, Kingsway (Stop GB), Cardiff, University.Passengers board the coach most frequently from Slough, Wellington Street, which is located around away from the city centre, and they get off the coach at Cardiff, Sophia Gardens, located 0 away from the city centre.
A trip to Cardiff from Slough is worth doing but not as a day trip with a journey time of 3h 10m each way. Check with Omio app the best way to travel.
The cheapest month for a coach from Slough to Cardiff is May.
It's helpful to compare your options as there are 2 ways to travel between Slough and Cardiff including taking a coach and train.
Yes, the following accessibility options are available when taking the coach from Slough to Cardiff:
- National Express
- Assistance
- Priority seating
- Accessible toilets.
- FlixBus
- Assistance
- Priority boarding
- Wheelchair-accessible buses.
Yes, there are bathrooms on board the coach from Slough to Cardiff for coach company FlixBus, National Express.
Whether you can cancel your coach ticket from Slough to Cardiff depends on the coach companies:
- National Express
- You can cancel your ticket up to 24 hours before departure for a refund minus a cancellation fee. Changes can be up to 24 hours before departure for a fee.
- FlixBus
- You can cancel your ticket up to 15 minutes before departure and receive a voucher for future travel. Refund requests for delays over 120 minutes are possible.
Yes, bikes are allowed on board the coach with coach company FlixBus, National Express.
Tickets are often cheaper when booked early. Traveling during off-peak hours or on weekdays can help you save money. Sort results by price to quickly identify the most affordable options. Check for promotions or discounts available on our website and app.
No, there is no food available to purchase on board the coach from Slough to Cardiff.
Yes, the following luggage options are included when booking a coach ticket from Slough to Cardiff:
- National Express
- Two medium-sized suitcases up to 20kg each and one small piece of hand luggage.
- FlixBus
- One carry-on bag up to 7kg (42x30x18 cm) and one checked bag up to 20kg (80x50x30 cm).
Yes, the following additional luggage options are available when booking a coach ticket from Slough to Cardiff:
- National Express
- 10€ per additional bag.
- FlixBus
- Additional luggage can be purchased for a fee.
Yes, you can bring your pet on the coach from Slough to Cardiff. The following conditions apply:
- FlixBus
- Small pets in carriers allowed
- guide dogs travel for free.
You can reserve your seat on the coach from Slough to Cardiff with the following coach company: FlixBus, National Express
Yes, there are USB plugs on board the coach from Slough to Cardiff with the following coach company: FlixBus, National Express.
Yes, there is Wifi on board the coach from Slough to Cardiff with the following coach company: FlixBus, National Express.
popular bus stations
Important Stations and Airports in Slough and Cardiff
Most Slough to Cardiff buses use the Slough, Wellington Street to Cardiff, Sophia Gardens station pair, with some services arriving at Cardiff, Kingsway (Stop GB). Use this guide to compare Slough and Cardiff bus stations on this route, check city-centre transport, alongside checking practicalities like bus station facilities and services.
Departure bus stations in Slough
Arrival bus stations in Cardiff
Which Slough station do buses to Cardiff leave from?
Buses from Slough to Cardiff leave from Slough, Wellington Street. The station is from Slough city centre at Slough Bus Station, Slough SL1 1XN, UK.
Slough, Wellington StreetSlough Bus Station, Slough SL1 1XN, UK
City-centre transport
Getting to Slough, Wellington Street from Slough city centre
Bus103 · 3m · £4 · every ~3 min
702 · 11m · £2 · every ~4 min
Slough, Wellington Street bus station facilities and services
Slough, Wellington Street has practical services for this route, including Wifi, Parking, ATM, Taxis, Accessibility, WC, Shower and Ticket Office.
Wi-Fi and ATMs
Wi-Fi is available at Slough, Wellington Street. ATMs are available at Slough, Wellington Street.
Tickets and information
Ticket office support is available at Slough, Wellington Street.
Parking, taxis and toilets
Available at Slough, Wellington Street: Parking, Taxis, WC.
Accessibility
Accessibility facilities are available at Slough, Wellington Street: Bus stops accessible for wheelchairs.
Which Cardiff station do buses from Slough arrive at?
Buses from Slough to Cardiff most often arrive at Cardiff, Sophia Gardens. Some services arrive at Cardiff, North Road (Friary Gardens), so check your ticket before travel to confirm your Cardiff arrival station.
Cardiff, Sophia GardensCardiff Coach Station, Sophia Gardens, 2 Sophia Cl, Pontcanna, Cardiff CF11 9HW, UK
City-centre transport
Getting to Cardiff, Sophia Gardens from Cardiff city centre
Bus25, 62, 63, 25A, 64 · 3m · £2 · every ~14 min
C1 · 16m · every ~8 min
Cardiff, Sophia Gardens bus station facilities and services
Cardiff, Sophia Gardens has practical services for this route, including Wifi, Parking, ATM, Taxis, Accessibility, WC, Shower and Ticket Office.
Wi-Fi and ATMs
Wi-Fi is available at Cardiff, Sophia Gardens. ATMs are available at Cardiff, Sophia Gardens.
Tickets and information
Ticket office support is available at Cardiff, Sophia Gardens.
Parking, taxis and toilets
Available at Cardiff, Sophia Gardens: Parking, Taxis, WC.
Accessibility
Accessibility facilities are available at Cardiff, Sophia Gardens: Basic accessibility features available.
Cardiff, North Road (Friary Gardens)Cardiff North Road (Friary Gardens), Cardiff CF10 3AF, UK
City-centre transport
Getting to Cardiff, North Road (Friary Gardens) from Cardiff city centre
TRUE
Cardiff, North Road (Friary Gardens) bus station facilities and services
Cardiff, North Road (Friary Gardens) has practical services for this route, including Wifi, Parking, ATM, Taxis, Accessibility, WC, Shower and Ticket Office.
Wi-Fi and ATMs
Wi-Fi is available at Cardiff, North Road (Friary Gardens). ATMs are available at Cardiff, North Road (Friary Gardens).
Tickets and information
Ticket office support is available at Cardiff, North Road (Friary Gardens).
Parking, taxis and toilets
Available at Cardiff, North Road (Friary Gardens): Parking, Taxis, WC.
Accessibility
Accessibility facilities are available at Cardiff, North Road (Friary Gardens): Accessible for passengers with reduced mobility.
Cardiff, Kingsway (Stop GB)Cardiff CF10 3RB, UK
City-centre transport
Getting to Cardiff, Kingsway (Stop GB) from Cardiff city centre
Bus24, 21, 136, 23 · 3m · £2 · every ~20 min
Cardiff, Kingsway (Stop GB) bus station facilities and services
Cardiff, Kingsway (Stop GB) has practical services for this route, including Wifi, Parking, ATM, Taxis, Accessibility, WC, Shower and Ticket Office.
Wi-Fi and ATMs
Wi-Fi is available at Cardiff, Kingsway (Stop GB). ATMs are available at Cardiff, Kingsway (Stop GB).
Tickets and information
Ticket office support is available at Cardiff, Kingsway (Stop GB).
Parking, taxis and toilets
Available at Cardiff, Kingsway (Stop GB): Parking, Taxis, WC.
Accessibility
Accessibility facilities are available at Cardiff, Kingsway (Stop GB): Accessible via ramped access.
More options for your journey from Slough to Cardiff
Here are some other resources that might have the information you need
Most popular buses to and from Cardiff and Slough
Most popular bus connections
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