- Must visit
National Museum Cardiff
Major national museum with art, natural history, and geology collections in the city centre. Best known for its impressive Impressionist and Welsh art galleries.
Cheapest price
$24
Average price
$28
Fastest journey
3 h 45 m
Average duration
3 h 45 m
Buses per day
2
Distance
194 km
The best way to find a cheap bus ticket from Southall to Cardiff is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Southall to Cardiff will cost around $28 if you buy it on the day, but the cheapest tickets can be found for only $24.
Of the 2 buses that leave Southall for Cardiff on Wed, May 27, 2 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Wed, May 27 the direct buses cover the 194 km distance in an average of 3 h 45 m but if you time it right, some buses will get you there in just 3 h 45 m .
On Wed, May 27 the slowest buses will take 3 h 45 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.




Omio 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 bus with prices starting from $16. For those with little time consider booking a train which can get you there in 2h 8m. The ticket price range depends on the travel mode: a bus costs an average of $16, and a train costs an average of $58.
Distance: 120 miles (194 km)
| Bus | Most popular Train | Driving |
|---|---|---|
$24 Average price Cheapest | $72 Average price | $52 Average price (fuel + tolls) |
3h 51m Average total duration 3h 21m 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 bus is $49 (€39) less than a train for this route with tickets for a train from Southall to Cardiff costing on average $72 (€58).
Other travel options to Cardiff take longer:
Bus takes on average 3h 21m.
Tickets start at around $24 (€19) compared to roughly $52 (€42) in fuel and tolls — a saving of about $28 (€23). The journey takes 3h 21m 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 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.
| Operator | Departure Time | Arrival Time | Duration | Departure days | Cheapest price |
|---|---|---|---|---|---|
Operator First Bus London | Departure Time 06:25AM | Arrival Time 11:00AM | Duration 4h35 | Departure days Thu, Fri | Cheapest price $46 |
Operator First Bus London | Departure Time 06:59AM | Arrival Time 11:00AM | Duration 4h01 | Departure days Sat | Cheapest price $46 |
Operator First Bus London | Departure Time 07:43AM | Arrival Time 12:05PM | Duration 4h22 | Departure days Thu, Fri | Cheapest price $46 |
Operator First Bus London | Departure Time 07:51AM | Arrival Time 12:05PM | Duration 4h14 | Departure days Sat | Cheapest price $46 |
Operator First Bus London | Departure Time 08:41AM | Arrival Time 12:25PM | Duration 3h44 | Departure days Sat | Cheapest price $46 |
Operator First Bus London | Departure Time 08:43AM | Arrival Time 12:25PM | Duration 3h42 | Departure days Thu, Fri | Cheapest price $46 |
Operator First Bus London | Departure Time 09:42AM | Arrival Time 02:05PM | Duration 4h23 | Departure days Sat | Cheapest price $46 |
Operator First Bus London | Departure Time 09:53AM | Arrival Time 02:05PM | Duration 4h12 | Departure days Thu, Fri | Cheapest price $46 |
Operator First Bus London | Departure Time 10:42AM | Arrival Time 02:25PM | Duration 3h43 | Departure days Sat | Cheapest price $46 |
Operator First Bus London | Departure Time 10:53AM | Arrival Time 02:25PM | Duration 3h32 | Departure days Thu, Fri | Cheapest price $46 |
Operator First Bus London | Departure Time 11:53AM | Arrival Time 04:30PM | Duration 4h37 | Departure days Thu, Fri | Cheapest price $46 |
Operator First Bus London | Departure Time 12:42PM | Arrival Time 04:45PM | Duration 4h03 | Departure days Thu, Fri | Cheapest price $46 |
Operator First Bus London | Departure Time 01:30PM | Arrival Time 06:15PM | Duration 4h45 | Departure days Thu, Fri | Cheapest price $46 |
Operator First Bus London | Departure Time 02:42PM | Arrival Time 06:40PM | Duration 3h58 | Departure days Thu, Fri | Cheapest price $46 |
Operator First Bus London | Departure Time 03:29PM | Arrival Time 08:05PM | Duration 4h36 | Departure days Thu, Fri | Cheapest price $46 |
Operator First Bus London | Departure Time 05:05PM | Arrival Time 09:00PM | Duration 3h55 | Departure days Thu, Fri | Cheapest price $46 |
Operator First Bus London | Departure Time 05:41PM | Arrival Time 10:00PM | Duration 4h19 | Departure days Thu, Fri | Cheapest price $46 |
Operator First Bus London | Departure Time 07:06PM | Arrival Time 10:40PM | Duration 3h34 | Departure days Thu, Fri | Cheapest price $46 |
Operator FlixBus | Departure Time 08:40PM | Arrival Time 12:25AM | Duration 3h45 | Departure days Wed | Cheapest price $31 |
Operator First Bus London | Departure Time 08:47PM | Arrival Time 12:50AM | Duration 4h03 | Departure days Thu, Fri | Cheapest price $46 |
Operator FlixBus | Departure Time 09:35PM | Arrival Time 01:20AM | Duration 3h45 | Departure days Tue | Cheapest price $16 |
Operator FlixBus | Departure Time 09:40PM | Arrival Time 01:25AM | Duration 3h45 | Departure days Wed | Cheapest price $24 |
Operator First Bus London | Departure Time 10:16PM | Arrival Time 01:40AM | Duration 3h24 | Departure days Thu, Fri | Cheapest price $46 |
Operator First Bus London | Departure Time 11:54PM | Arrival Time 04:00AM | Duration 4h06 | Departure days Thu, Fri | Cheapest price $46 |
The table below shows live departures for Southall to Cardiff buses for today, Tuesday, May 26. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 9:35 PM Southall | 3h45 | 1:20 AM Cardiff | 0 transfersDirect | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare bus 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.
Buses from Southall to Cardiff run on average 17 times per day, taking around 3h 21m. Cheap bus tickets for this journey start at $16 (€13) if you book in advance.
There are 17 buses per day. The earliest bus runs at 00:15, the last at 23:35. The fastest bus covers the 120 miles (194 km) distance in 3h 45m.
Distance 120 miles (194 km) |
Average bus duration 3h 21m |
Cheapest ticket price $16 (€13) |
Buses per day 17 |
Direct buses 17 |
Fastest bus 3h 45m |
First bus 12:15 AM |
Last bus 11:35 PM |
Cheapest Month Apr |
Cheapest Day Tue |
High Season Jul - Sep |
Low Season Jan - Mar |
Busiest Day Sun |
Least Busy Day Sun |
Best time to book 1 day |
Discover the best of Cardiff — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Cardiff trip today.
Major national museum with art, natural history, and geology collections in the city centre. Best known for its impressive Impressionist and Welsh art galleries.
Open-air museum showing Welsh life through historic buildings moved from across Wales. One of the country’s most loved cultural attractions.
Compact city museum covering Cardiff’s growth from market town to capital, with local stories, objects, and interactive displays.
Waterside district with modern landmarks, walking routes, public art, and some of the city’s most shared photo spots.
Large central park behind Cardiff Castle, ideal for riverside walks, picnics, and easy access to historic sites.
Historic Victorian and Edwardian shopping arcades that give central Cardiff much of its character. Excellent for walking and architecture lovers.
Traditional Welsh soup or stew, usually made with lamb or beef, leeks, potatoes, and root vegetables. It is one of Wales’ most iconic comfort foods.
A classic Welsh dish of toasted bread topped with a savoury cheese sauce, often flavoured with mustard or ale. It is a staple pub and cafe dish in Cardiff.
Traditional Welsh vegetarian sausages made with cheese, leeks, and breadcrumbs. They are especially associated with South Wales.
Well-known steak restaurant with an open-fire cooking style, stylish interior, and strong reputation for high-quality meat and memorable service.
Established restaurant at HMP Cardiff, known for refined dining prepared and served by trainees in a unique, professional setting.
Highly regarded neighbourhood restaurant in Llandaff serving seasonal small plates, natural wine, and modern cooking in a relaxed contemporary space.
Moderate by UK standards. Pub meals and chain cafes are reasonable, while central hotels and upscale dining cost more.
Service charge is not always included. Tip 10-12.5% in restaurants for good service. Round up in taxis. Tipping in pubs and cafes is optional.
Official public transport app
Cardiff, North Road (Friary Gardens), Cardiff -> Cardiff Central railway station, Cardiff
Find answers to the most common questions about traveling from Southall to Cardiff by bus. 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 bus, the cheapest option, or tips for making the most of your visit at Cardiff, this guide helps you travel smarter and with confidence.

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