- Must visit
The British Museum
World-class collection spanning ancient civilisations, the Rosetta Stone and global treasures with free permanent galleries.
Cheapest price
£55
Average price
£55
Fastest journey
3 h 5 m
Average duration
3 h 5 m
Trains per day
1
Distance
226 km
The best way to find a cheap train ticket from Merthyr Tydfil to London is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from Merthyr Tydfil to London will cost around £55 if you buy it on the day, but you can find cheap train tickets today for only £55.
Of the 1 trains that leave Merthyr Tydfil for London every day 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
These direct trains cover the 226 km distance in an average of 3 h 5 m but if you time it right, some trains will get you there in just 3 h 5 m .
The slowest trains will take 3 h 5 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 Merthyr Tydfil to London among Omio's users. If you are prioritising price take the coach with prices starting from £17. For those with little time consider booking a train which can get you there in 3h 34m. The ticket price range depends on the travel mode: a coach costs an average of £17, and a train costs an average of £60.
Distance: 226 km
Most popular Train | Coach |
|---|---|
£64 Average Price | £19 Average Price Cheapest |
4h 4m Average total duration Fastest 3h 34m Onboard + 30m Additional time* | 5h 10m Average total duration 4h 40m Onboard + 30m Additional time* |
![]() Most popular train company | ![]() Most popular bus company |
Direct Options | Direct Options |
The table below shows live departures for Merthyr Tydfil to London trains for today, Monday 24 August. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
W35169+ G38216 | Delayed 6:49 6:39Merthyr Tydfil station (MER) | 3h05 | 9:44 London Paddington (PAD) | 1 change | |
G15042+ G38218 | Delayed 7:38 7:09Merthyr Tydfil station (MER) | 3h27 | 10:36 London Paddington (PAD) | 1 change | |
W35432+ G38222 | Delayed 8:19 8:09Merthyr Tydfil station (MER) | 3h11 | 11:20 London Paddington (PAD) | 1 change | |
G15043+ G38224 | Delayed 8:49 8:39Merthyr Tydfil station (MER) | 3h07 | 11:46 London Paddington (PAD) | 1 change | |
G15044+ G38228 | Delayed 9:50 9:39Merthyr Tydfil station (MER) | 3h10 | 12:49 London Paddington (PAD) | 1 change | |
W35187+ G38240 | Delayed 12:50 12:39Merthyr Tydfil station (MER) | 3h05 | 15:44 London Paddington (PAD) | 1 change | |
G15048+ G38244 | Delayed 13:54 13:39Merthyr Tydfil station (MER) | 3h02 | 16:41 London Paddington (PAD) | 1 change | |
W35194+ G38248 | Delayed 14:54 14:39Merthyr Tydfil station (MER) | 3h05 | 17:44 London Paddington (PAD) | 1 change | |
W35435+ G38250 | Delayed 15:21 15:09Merthyr Tydfil station (MER) | 3h04 | 18:13 London Paddington (PAD) | 1 change | |
W35196+ G38252 | Delayed 15:50 15:39Merthyr Tydfil station (MER) | 3h02 | 18:41 London Paddington (PAD) | 1 change | |
W35200+ G38256 | Delayed 16:50 16:39Merthyr Tydfil station (MER) | 3h05 | 19:44 London Paddington (PAD) | 1 change | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
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.
Trains from Merthyr Tydfil to London run on average 6 times per day, taking around 3h 34m. Cheap train tickets for this journey start at £60 but you can travel from only £17 by coach.
The earliest train runs at 05:14, the last at 21:48. The fastest train covers the 226 km distance in 3h 3m.
Distance 226 km |
Average train duration 3h 34m |
Cheapest ticket price £60 |
Trains per day 6 |
Fastest train 3h 3m |
First train 5:14 |
Last train 21:48 |
Cheapest Month Sept |
Cheapest Day Mon |
High Season Oct - Dec |
Low Season Apr - Jun |
Busiest Day Sat |
Least Busy Day Sat |
Best time to book 4 days |
Discover the best of London — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect London trip today.
World-class collection spanning ancient civilisations, the Rosetta Stone and global treasures with free permanent galleries.
National collection of European painting from Van Gogh to Turner in a landmark Trafalgar Square setting.
Vast museum of art, design and performance, loved for fashion, sculpture and major temporary exhibitions.
Lively pedestrian riverside route linking major sights, street performers, markets and excellent views across the Thames.
West End square famous for lions, fountains and events, surrounded by galleries and central to many first-time visits.
Grand royal park with Serpentine lake, broad paths and easy walks to Kensington Palace and Buckingham Palace.
A classic breakfast of sausages, bacon, eggs, beans, mushrooms and toast. A staple of British cafés and weekend dining across London.
Pale ale battered fish with chips, usually served with mushy peas and tartare sauce. A long-standing favourite in London pubs and chippies.
Slow-cooked beef in rich gravy topped with mashed potato. This hearty pie is closely associated with East London working-class food culture.
Luxury hotel venue renowned for formal afternoon tea with fine pastries, sandwiches and impeccable service in grand surroundings.
Refined Indian restaurant with a Michelin star, celebrated for polished cooking and a landmark role in London’s modern dining scene.
Historic dining room famed for traditional British pies, roast meats and classic puddings in elegant, old-school surroundings.
Very costly by European standards; hotels, dining and transport are notably pricier than in most UK and EU city breaks.
Restaurants often add a 12.5% service charge; if not, tip 10-12%. Taxis: round up or 10%. Cafés: no obligation, small change optional.
Official public transport app
London Waterloo -> London Charing Cross, London
Find answers to the most common questions about traveling from Merthyr Tydfil to London by train. 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 train, the cheapest option, or tips for making the most of your visit at London, this guide helps you travel smarter and with confidence.

Most Merthyr Tydfil to London trains use the Merthyr Tydfil to London Paddington station pair, with some services arriving at Tottenham Court Road Station. Use this guide to compare Merthyr Tydfil and London train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.
Merthyr Tydfil has practical services for this route, including Parking, Dining, Accessibility, Hotel, Lost and Found Office, Ticket Office, Bike Parking and Information Desk.
Food and drink options are available at Merthyr Tydfil.
Ticket office support is available at Merthyr Tydfil. Information desks are information available from staff: Yes - from ticket office, Helpline Contact: 03333 211202, Passenger Information Systems: Departure screens, Arrival screens.
Lost and found is available at the station.
Available at Merthyr Tydfil: Parking.
Available at Merthyr Tydfil: Bike Parking.
Accessibility facilities are available at Merthyr Tydfil: Staff help available: Yes, Step free access coverage: Yes, Step free access note: Category B. Step free access to the platform from the car park, Accessible car park equipment: Wheelchair users can use car park equipment at this station unaided, Accessible ticket machines: There are accessible ticket machines at this station, Accessible ticket machines note: The ticket machine(s) do not accept cash. Payment is by major debit and credit cards only, Ramp for train access: Yes, Wheelchairs available: No, Impaired mobility set down / pick up points available: No.
London Paddington has practical services for this route, including Wifi, Lockers, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Lounge, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental, Car Rental and Information Desk.
Food options include: Wasabi, The Beer House, Barburrito, Upper Crust, The Mad Bishop & Bear (Fullers), The Pasty Shop, Burger King, Pret a Manger, The Savanna, Soboro Bakery, & more
Free Wi-Fi in the station. ATMs are located next to the ticket office.
The ticket office is open 24/7. Information desks are located near Platform 1.
Luggage storage is luggage lockers are located near the taxi stand beside Platform 11. . Lost and found is available at the station.
Available at London Paddington: Parking, Taxis, WC.
Available at London Paddington: Bike Parking, Bike Rental, Car Rental.
Accessibility facilities are available at London Paddington: Wheelchair access, escalators, elevators.
Nearby hotels include Hilton London Paddington, Mercure London Paddington Hotel, The Pilgrm.
Tottenham Court Road Station has practical services for this route, including Wifi, Parking, Dining, Taxis, Accessibility, WC, Hotel, Ticket Office, Bike Parking, Bike Rental, Information Desk and Luggage Carts.
Food options include: The Ivy Soho Brasserie, Hakkasan Hanway Place, Berners Tavern
Free.
Ticket office support is available at Tottenham Court Road Station. Information desks are located in the main concourse.
Available at Tottenham Court Road Station: Parking, Taxis, WC.
Available at Tottenham Court Road Station: Bike Parking, Bike Rental.
Accessibility facilities are available at Tottenham Court Road Station: Ramps, restrooms.
Nearby hotels include The Bloomsbury Hotel, Radisson Blu Edwardian, Kenilworth, The London EDITION.
Heathrow Terminals 2 & 3 is 23 km from London city centre. Public transport options include:
Heathrow Terminals 2 & 3 has practical services for this route, including Wifi, Shopping, Parking, ATM, Accessibility, WC, Lost and Found Office and Ticket Office.
Wi-Fi is available at Heathrow Terminals 2 & 3. ATMs are available at Heathrow Terminals 2 & 3.
Ticket office support is available at Heathrow Terminals 2 & 3.
Lost and found is available at the station.
Available at Heathrow Terminals 2 & 3: Parking, WC.
Accessibility facilities are available at Heathrow Terminals 2 & 3: Staff help available: Yes, Step free access coverage: Yes, Step free access note: Level access to platforms, lifts to airport facilities. Ticket Office is step free. Wheelchair users can board trains with ease as the platforms are level with the trains, Accessible ticket machines: There are accessible ticket machines at this station, Accessible toilets: Yes, Ramp for train access: No, Wheelchairs available: Yes, Impaired mobility set down / pick up points available: No.
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