Comfort
- Free Wi-Fi
- Power plugs
- Extra legroom
Cheapest price on 18 Sept
£10
Average ticket price on 18 Sept
£15
Fastest journey on 18 Sept
3 h 10 m
Average journey duration on 18 Sept
3 h 22 m
Buses on 18 Sept
15
Distance
194 km
The best way to find a cheap coach ticket from Southall to Cardiff is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from Southall to Cardiff will cost around £15 if you buy it on the day, but you can find cheap coach tickets today for only £10.
On Fri 18 Sept, we found 15 buses from Southall to Cardiff, including 15 direct services.
These direct buses cover the 194 km distance in an average of 3 h 22 m but if you time it right, some buses will get you there in just 3 h 10 m .
The slowest buses will take 3 h 25 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.
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FlixBusOmio recommends booking the train as it is the most popular option from Southall to Cardiff among Omio's users. If you are prioritising price, take the coach, with an average ticket price of £33 For those with little time, consider booking a train, which has an average total journey time of 2h 38m. Average ticket prices depend on the travel mode: a coach costs an average of £33, while a train costs an average of £115.
Distance: 194 km
| Coach | Most popular Train | Driving |
|---|---|---|
£33 Average Price Cheapest | £115 Average Price | £38 Average Price (fuel + tolls) |
3h 47m Average total duration 3h 17m Onboard + 30m Additional time* | 2h 38m Average total duration Fastest 2h 8m Onboard + 30m Additional time* | 3h 3m Average total duration (door-to-door) |
![]() Most popular bus company | ![]() Most popular train company | Your own car or car rental |
Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Southall to Cardiff:
A coach is £82 less than a train for this route with tickets for a train from Southall to Cardiff costing on average £115.
Other travel options to Cardiff take longer:
Coach takes on average 3h 17m.
Tickets start at around £33 compared to roughly £38 in fuel and tolls — a saving of about £5. The journey takes 3h 17m versus 3h 3m by car, so you'll arrive a bit later, but you can use the time productively rather than spending it behind the wheel. No parking to sort, no fuel stops, and most coaches have Wi-Fi and power outlets.
Direct services are operated by FlixBus, Megabus.
Driving is worth considering if you're on a tight schedule, travelling as a group (where fuel costs split several ways), or want the flexibility to stop along the way.
The table below shows live departures for Southall to Cardiff coaches for today, Thursday 17 September. You can also manually refresh the results below to see updated coach journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
FlixBus | 12:35 London, Heathrow Airport Terminals 2 & 3 | 3h55 | 16:30 Cardiff, North Road (Friary Gardens) | 0 changesdirect | |
FlixBus | 14:45 London, Heathrow Airport Terminals 2 & 3 | 3h50 | 18:35 Cardiff, North Road (Friary Gardens) | 0 changesdirect | |
FlixBus | 15:45 London, Heathrow Airport Terminals 2 & 3 | 3h45 | 19:30 Cardiff, North Road (Friary Gardens) | 0 changesdirect | |
FlixBus | 16:50 London, Heathrow Airport Terminals 2 & 3 | 3h35 | 20:25 Cardiff, North Road (Friary Gardens) | 0 changesdirect | |
FlixBus | 18:45 London, Heathrow Airport Terminals 2 & 3 | 3h30 | 22:15 Cardiff, North Road (Friary Gardens) | 0 changesdirect | |
FlixBus | 19:50 London, Heathrow Airport Terminals 2 & 3 | 3h25 | 23:15 Cardiff, North Road (Friary Gardens) | 0 changesdirect | |
FlixBus | 21:00 London, Heathrow Airport Terminals 2 & 3 | 3h25 | 0:25 Cardiff, North Road (Friary Gardens) | 0 changesdirect | |
FlixBus | 22:00 London, Heathrow Airport Terminals 2 & 3 | 3h25 | 1:25 Cardiff, North Road (Friary Gardens) | 0 changesdirect | |
FlixBus | 22:55 London, Heathrow Airport Terminals 2 & 3 | 3h25 | 2:20 Cardiff, North Road (Friary Gardens) | 0 changesdirect | |
| Friday 18 September | |||||
FlixBus | 0:15 London, Heathrow Airport Terminals 2 & 3 | 3h10 | 3:25 Cardiff, North Road (Friary Gardens) | 0 changesdirect | |
FlixBus | 0:40 London, Heathrow Airport Terminals 2 & 3 | 3h25 | 4:05 Cardiff, North Road (Friary Gardens) | 0 changesdirect | |
FlixBus | 7:05 London, Heathrow Airport Terminals 2 & 3 | 3h40 | 10:45 Cardiff, North Road (Friary Gardens) | 0 changesdirect | |
FlixBus | 8:30 London, Heathrow Airport Terminals 2 & 3 | 3h40 | 12:10 Cardiff, North Road (Friary Gardens) | 0 changesdirect | |
FlixBus | 10:00 London, Heathrow Airport Terminals 2 & 3 | 3h40 | 13:40 Cardiff, North Road (Friary Gardens) | 0 changesdirect | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare train and coach 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.
Buses from Southall to Cardiff run on average 19 times per day, taking around 3h 17m. Cheap bus tickets for this journey start at £33 if you book in advance.
There are 19 coaches per day. The earliest coach runs at 00:15, the last at 23:35. The fastest coach covers the 194 km distance in 3h 24m.
Distance 194 km |
Average bus duration 3h 17m |
Cheapest ticket price £33 |
Buses per day 19 |
Direct buses 19 |
Fastest bus 3h 24m |
First bus 0:15 |
Last bus 23:35 |
Cheapest Month Apr |
Cheapest Day Tue |
High Season Jul - Sept |
Low Season Apr - Jun |
Busiest Day Fri |
Least Busy Day Fri |
Best time to book 1 day |
Compare Megabus classes and the amenities included in each one.
Discover the best of Cardiff — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Cardiff trip today.
National museum with art, natural history and geology collections, plus Impressionist works and changing exhibitions in Cathays Park.
Open-air museum of Welsh life with historic buildings, crafts, gardens and rural traditions relocated to spacious grounds west of the city.
Museum in a Victorian library celebrating Cardiff’s story through interactive displays, local history and a well-presented city timeline.
Historic shopping arcades in the city centre, prized for Victorian and Edwardian architecture, independent shops and an easy walking atmosphere.
Large central parkland behind the castle, ideal for riverside walks, gardens, woodland paths and access to key civic sights.
Revitalised waterfront district with public art, broad promenades, modern landmarks and easy walks around the former dock basin.
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.
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.
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.
Elegant dining room known for refined modern British cooking and polished service in central Cardiff.
Smart restaurant focused on local produce, seafood and modern British plates with a relaxed but polished atmosphere.
Stylish bistro and bar serving seasonal Welsh and British dishes, cocktails and brunch in a lively city-centre setting.
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.
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.
Official public transport app
Cardiff, North Road (Friary Gardens) -> Cardiff Bus Interchange
Find answers to the most common questions about traveling from Southall 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.

Most Southall to Cardiff buses use the London, Heathrow Airport Terminals 2 & 3 to Cardiff, North Road (Friary Gardens) station pair. Use this guide to compare Southall and Cardiff bus stations on this route, check city-centre transport, alongside checking practicalities like 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 is available at Cardiff, North Road (Friary Gardens). ATMs are available at Cardiff, North Road (Friary Gardens).
Ticket office support is available at Cardiff, North Road (Friary Gardens).
Available at Cardiff, North Road (Friary Gardens): Parking, Taxis, WC.
Accessibility facilities are available at Cardiff, North Road (Friary Gardens): Accessible for passengers with reduced mobility.
Here are some other resources that might have the information you need