- Must visit
The British Museum
World-class collection spanning ancient civilisations, the Rosetta Stone and global treasures with free permanent galleries.
Cheapest price on 18 Sept
£44
Average ticket price on 18 Sept
£67
Fastest journey on 18 Sept
3 h 12 m
Average journey duration on 18 Sept
3 h 15 m
Trains on 18 Sept
15
Distance
279 km
The best way to find a cheap train ticket from Llanelli to London is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from Llanelli to London will cost around £67 if you buy it on the day, but you can find cheap train tickets today for only £44.
On Fri 18 Sept, we found 15 trains from Llanelli to London, including 5 direct services.
These direct trains cover the 279 km distance in an average of 3 h 15 m but if you time it right, some trains will get you there in just 3 h 12 m .
The slowest trains will take 3 h 17 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.
W35437
W35435
G15050
W35434
G15045
W35178+
G39181
W35435+
G39219
W35188+
G39206
W35434
G15050+
G39242Omio recommends booking the train as it is the most popular option from Llanelli to London among Omio's users. If you are prioritising price, take the coach, with an average ticket price of £26 For those with little time, consider booking a train, which has an average total journey time of 3h 57m. Average ticket prices depend on the travel mode: a coach costs an average of £26, while a train costs an average of £68.
Distance: 279 km
Most popular Train | Coach | Driving |
|---|---|---|
£68 Average Price | £26 Average Price Cheapest | £80 Average Price (fuel + tolls) |
3h 57m Average total duration Fastest 3h 27m Onboard + 30m Additional time* | 5h 51m Average total duration 5h 21m Onboard + 30m Additional time* | 3h 57m Average total duration (door-to-door) |
![]() Most popular train company | ![]() Most popular bus company | Your own car or car rental |
Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Llanelli to London:
A coach is £42 less than a train for this route with tickets for a train from Llanelli to London costing on average £68.
Other travel options to London take longer:
Coach takes on average 5h 21m.
The journey is about 30m faster (3h 27m by train vs 3h 57m by car) and roughly £12 cheaper once you factor in fuel and tolls (£68 vs £80). You'll also arrive in the city centre rather than hunting for parking, and you can work, read, or watch the landscape go by instead of concentrating on the road.
Direct services run with Great Western Railway (GWR).
Driving is still worth considering if you want to stop along the way or need a car once you arrive.
The table below shows live departures for Llanelli to London trains for today, Thursday 17 September. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
![]() | 9:50 Llanelli | 3h20 | 13:10 London | 0 changesdirect | |
![]() | 10:55 Llanelli | 3h17 | 14:12 London | 0 changesdirect | |
![]() | 11:55 Llanelli | 3h17 | 15:12 London | 0 changesdirect | |
This is the last train 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.
Trains from Llanelli to London run on average 6 times per day, taking around 3h 19m. Cheap train tickets for this journey start at £45 but you can travel from only £15 by coach.
There are 2 trains per day. The earliest train runs at 04:27, the last at 22:49. The fastest train covers the 279 km distance in 3h 14m.
Distance 279 km |
Average train duration 3h 19m |
Cheapest ticket price £45 |
Trains per day 6 |
Direct trains 2 |
Fastest train 3h 14m |
First train 4:27 |
Last train 22:49 |
Cheapest Month Dec |
Cheapest Day Sat |
High Season Jul - Sept |
Low Season Jan - Mar |
Busiest Day Fri |
Least Busy Day Sat |
Best time to book 49 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 Llanelli 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 Llanelli to London trains use the Llanelli to London Paddington station pair, with some services arriving at Heathrow Terminals 2 & 3. Use this guide to compare Llanelli and London train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.
Llanelli has practical services for this route, including Parking, Dining, Accessibility, WC, Lost and Found Office, Ticket Office, Bike Parking and Information Desk.
Food and drink options are available at Llanelli.
Ticket office support is available at Llanelli. Information desks are information available from staff: Yes - from ticket office, Helpline Contact: 03333 211202, Passenger Information Systems: Departure screens, Announcements, Arrival screens.
Lost and found is available at the station.
Available at Llanelli: Parking, WC.
Available at Llanelli: Bike Parking.
Accessibility facilities are available at Llanelli: Staff help available: Yes, Step free access coverage: No, Step free access note: Category B1. Step free access to Platform 1 (to Swansea) via the ticket office. Step free access to Platform 2 (to Carmarthen) via a lane off New Dock Road and a ramp with a shallow gradient to the platform. Access between the platforms is via the level crossing or footbridge with steps, Accessible ticket machines: There are accessible ticket machines at this station, Accessible ticket machines note: This station has a video assist ticket machine with direct communication to an operator who can help with your transaction, Accessible toilets: No, 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.
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.
Heathrow Terminal 5 is 25 km from London city centre. Public transport options include:
Heathrow Terminal 5 has practical services for this route, including Parking, Accessibility, Lounge, Lost and Found Office and Ticket Office.
Ticket office support is available at Heathrow Terminal 5.
Lost and found is available at the station.
Available at Heathrow Terminal 5: Parking.
Accessibility facilities are available at Heathrow Terminal 5: 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, Ramp for train access: Yes, Wheelchairs available: Yes, Impaired mobility set down / pick up points available: No.
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