- Must visit
Cyfarthfa Castle Museum and Art Gallery
Main local museum in Cyfarthfa Castle, covering Merthyr's ironmaking, art, social history, and parkland setting in one landmark site.
Cheapest price on Sep 23
$17
Average ticket price on Sep 23
$18
Fastest journey on Sep 23
5 h
Average journey duration on Sep 23
5 h 33 m
Buses on Sep 23
3
Distance
226 km
The best way to find a cheap bus ticket from London to Merthyr Tydfil is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from London to Merthyr Tydfil will cost around $18 if you buy it on the day, but the cheapest tickets can be found for only $17.
On Wed, Sep 23, we found 3 buses from London to Merthyr Tydfil, including 3 direct services.
On Wed, Sep 23 the direct buses cover the 226 km distance in an average of 5 h 33 m but if you time it right, some buses will get you there in just 5 h .
On Wed, Sep 23 the slowest buses will take 6 h 40 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 London to Merthyr Tydfil 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 3h 34m. Average ticket prices depend on the travel mode: a bus costs an average of $27, while a train costs an average of $96.
Distance: 140 miles (226 km)
| Bus | Most popular Train | Driving |
|---|---|---|
$27 Average price Cheapest | $96 Average price | $78 Average price (fuel + tolls) |
5h 27m Average total duration 4h 57m Onboard + 30m Additional time* | 3h 34m Average total duration Fastest 3h 4m Onboard + 30m Additional time* | 3h 21m 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 London to Merthyr Tydfil:
A bus is $68 less than a train for this route with tickets for a train from London to Merthyr Tydfil costing on average $96.
Other travel options to Merthyr Tydfil take longer:
Bus takes on average 4h 57m.
Tickets start at around $27 compared to roughly $78 in fuel and tolls — a saving of about $51. The journey takes 4h 57m versus 3h 21m 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.
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 FlixBus | Departure Time 04:30AM | Arrival Time 10:20AM | Duration 5h50 | Departure days Sun | Cheapest price $16 |
Operator FlixBus | Departure Time 09:00AM | Arrival Time 02:00PM | Duration 5h00 | Departure days Wed | Cheapest price $19 |
Operator FlixBus | Departure Time 10:00AM | Arrival Time 03:00PM | Duration 5h00 | Departure days Tue, Wed, Thu, Fri | Cheapest price $17 |
Operator FlixBus | Departure Time 03:00PM | Arrival Time 08:20PM | Duration 5h20 | Departure days Fri | Cheapest price $21 |
Operator FlixBus | Departure Time 03:30PM | Arrival Time 08:50PM | Duration 5h20 | Departure days Mon, Tue, Sun | Cheapest price $18 |
Operator FlixBus | Departure Time 04:30PM | Arrival Time 09:50PM | Duration 5h20 | Departure days Fri, Sun | Cheapest price $19 |
Operator FlixBus | Departure Time 06:00PM | Arrival Time 11:00PM | Duration 5h00 | Departure days Fri | Cheapest price $23 |
Operator FlixBus | Departure Time 09:00PM | Arrival Time 03:40AM | Duration 6h40 | Departure days Wed | Cheapest price $19 |
Operator FlixBus | Departure Time 09:30PM | Arrival Time 03:40AM | Duration 6h10 | Departure days Mon, Tue | Cheapest price $17 |
Operator FlixBus | Departure Time 10:00PM | Arrival Time 04:40AM | Duration 6h40 | Departure days Fri | Cheapest price $26 |
Operator FlixBus | Departure Time 10:30PM | Arrival Time 04:40AM | Duration 6h10 | Departure days Mon, Thu, Sat | Cheapest price $16 |
Operator FlixBus | Departure Time 10:59PM | Arrival Time 06:00AM | Duration 7h01 | Departure days Tue | Cheapest price $22 |
Operator FlixBus | Departure Time 11:59PM | Arrival Time 07:00AM | Duration 7h01 | Departure days Fri | Cheapest price $26 |
The table below shows live departures for London to Merthyr Tydfil buses for today, Tuesday, September 22. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 10:00 AM London | 5h00 | 3:00 PM Merthyr Tydfil | 0 transfersDirect | |
![]() | 3:30 PM London | 5h20 | 8:50 PM Merthyr Tydfil | 0 transfersDirect | |
![]() | 9:30 PM London | 7h10 | 4:40 AM Merthyr Tydfil | 0 transfersDirect | |
![]() | 10:59 PM London | 7h01 | 6:00 AM Merthyr Tydfil | 0 transfersDirect | |
This is the last bus 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.
Buses from London to Merthyr Tydfil run on average 5 times per day, taking around 4h 57m. Cheap bus tickets for this journey start at $15 if you book in advance.
There are 3 buses per day. The earliest bus runs at 00:10, the last at 23:00. The fastest bus covers the 140 miles (226 km) distance in 4h 25m.
Distance 140 miles (226 km) |
Average bus duration 4h 57m |
Cheapest ticket price $15 |
Buses per day 5 |
Direct buses 3 |
Fastest bus 4h 25m |
First bus 12:10 AM |
Last bus 11:00 PM |
Cheapest Month Jan |
Cheapest Day Wed |
High Season Jan - Mar |
Low Season Oct - Dec |
Busiest Day Sat |
Least Busy Day Fri |
Discover the best of Merthyr Tydfil — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Merthyr Tydfil trip today.
Main local museum in Cyfarthfa Castle, covering Merthyr's ironmaking, art, social history, and parkland setting in one landmark site.
Industrial heritage museum preserving a historic ironworks site central to the story of Merthyr as a powerhouse of the Industrial Revolution.
Hands-on transport museum with classic vehicles and railway interest, popular with families and enthusiasts near the town centre.
Large historic park around Cyfarthfa Castle with gardens, woodland, play areas, and riverside paths popular with families and walkers.
Scenic reservoir and mountain setting north of town, ideal for walks, photography, and panoramic views of the Brecon Beacons landscape.
Town-centre shopping and civic area that offers the everyday pulse of Merthyr, historic streetscape, and easy access to key landmarks.
A hearty Welsh broth with lamb or beef, root vegetables and leeks. It is a classic comfort dish long associated with Welsh homes and mining communities.
Welsh cakes are small griddled cakes with flour, butter, sugar and dried fruit. They are a beloved everyday Welsh treat often served warm with tea.
A traditional fruit loaf baked with tea, dried fruit and spices. Common across South Wales, it is usually sliced and served with butter.
Smart casual restaurant at the golf club with Welsh and British dishes, Sunday lunch and views over the course.
Well-known local Indian restaurant serving curries, tandoori dishes and popular takeaway favourites in a casual setting.
Established town pub and restaurant known for classic British meals, carvery options and a relaxed traditional atmosphere.
Moderate for the UK. Hotels and meals are often cheaper than Cardiff, while local buses and attractions are generally low cost for visitors.
Tipping is optional. In restaurants, 10-12.5% is polite for good service if not already added. Round up taxi fares. Cafes usually do not expect tips, but small change is appreciated.
Find answers to the most common questions about traveling from London to Merthyr Tydfil 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 Merthyr Tydfil, this guide helps you travel smarter and with confidence.

Most London to Merthyr Tydfil buses use the London, Victoria Coach Station to Bridgend, Sarn Odeon station pair. Use this guide to compare London and Merthyr Tydfil bus stations on this route, check city-centre transport, alongside checking practicalities like bus station facilities and services.
London, Victoria Coach Station is 2 km from London city centre. Public transport options include:
London, Victoria Coach Station has practical services for this route, including Wifi, Parking, Dining, ATM, Taxis, Accessibility, WC, and Ticket Office.
Food options include: Pret a Manger (in the station), Starbucks (in the station).
Free Wi-Fi. ATMs are located near the main entrance and inside the station.
Ticket office support is available at London, Victoria Coach Station.
Available at London, Victoria Coach Station: Parking, Taxis, WC.
Accessibility facilities are available at London, Victoria Coach Station: Elevators, ramps.
Here are some other resources that might have the information you need