- Must visit
The British Museum
Vast world museum with the Rosetta Stone, Parthenon sculptures and global antiquities. Essential for history lovers.
Cheapest price on Oct 07
€69
Average ticket price on Oct 07
€83
Fastest journey on Oct 07
1 h 47 m
Average journey duration on Oct 07
1 h 50 m
Trains on Oct 07
33
Distance
211 km
The best way to find a cheap train ticket from Cardiff to London is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Cardiff to London will cost around €83 if you buy it on the day, but the cheapest tickets can be found for only €69.
On Wed, Oct 07, we found 33 trains from Cardiff to London, including 30 direct services.
On Wed, Oct 07 the direct trains cover the 211 km distance in an average of 1 h 50 m but if you time it right, some trains will get you there in just 1 h 47 m .
On Wed, Oct 07 the slowest trains will take 1 h 51 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.
G15044
G15046
W35431
W35182
W35187
G15048
W35167
W35194
W35161
W35188Trains from Cardiff to London run on average 28 times per day, taking around 2h 7m. Cheap train tickets for this journey start at €36 but you can travel from only €5 by bus.
There are 23 trains per day. The earliest train runs at 00:07, the last at 23:00. The fastest train covers the 131 miles (211 km) distance in 1h 47m.
Distance 131 miles (211 km) |
Average train duration 2h 7m |
Cheapest ticket price €36 |
Trains per day 28 |
Direct trains 23 |
Fastest train 1h 47m |
First train 12:07 AM |
Last train 11:00 PM |
Cheapest Month May |
Cheapest Day Thu |
High Season Oct - Dec |
Low Season Apr - Jun |
Busiest Day Mon |
Least Busy Day Sun |
Best time to book 63 days |
The table below shows live departures for Cardiff to London trains for today, Tuesday, October 6. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
G15048 | On time 2:54 PM Cardiff Central (CDF) | 1h47 | 4:41 PM London Paddington (PAD) | 0 transfersDirect | |
G15049 | On time 3:18 PM Cardiff Central (CDF) | 1h54 | 5:12 PM London Paddington (PAD) | 0 transfersDirect | |
W35194 | On time 3:54 PM Cardiff Central (CDF) | 1h50 | 5:44 PM London Paddington (PAD) | 0 transfersDirect | |
W35435 | On time 4:21 PM Cardiff Central (CDF) | 1h52 | 6:13 PM London Paddington (PAD) | 0 transfersDirect | |
W35196 | On time 4:50 PM Cardiff Central (CDF) | 1h51 | 6:41 PM London Paddington (PAD) | 0 transfersDirect | |
W35198 | On time 5:18 PM Cardiff Central (CDF) | 1h58 | 7:16 PM London Paddington (PAD) | 0 transfersDirect | |
W35200 | On time 5:50 PM Cardiff Central (CDF) | 1h54 | 7:44 PM London Paddington (PAD) | 0 transfersDirect | |
G15050 | On time 6:18 PM Cardiff Central (CDF) | 1h56 | 8:14 PM London Paddington (PAD) | 0 transfersDirect | |
G15022 · W34523 | On time 6:30 PM Cardiff Central (CDF) | 2h38 | 9:08 PM London Paddington (PAD) | 1 transfer | |
W35202 | On time 7:18 PM Cardiff Central (CDF) | 1h52 | 9:10 PM London Paddington (PAD) | 0 transfersDirect | |
W35437 | On time 8:18 PM Cardiff Central (CDF) | 1h51 | 10:09 PM London Paddington (PAD) | 0 transfersDirect | |
G15051 | On time 9:20 PM Cardiff Central (CDF) | 1h51 | 11:11 PM London Paddington (PAD) | 0 transfersDirect | |
W35091 · W34530 | On time 9:30 PM Cardiff Central (CDF) | 3h13 | 12:43 AM London Paddington (PAD) | 1 transfer | |
| Wednesday, October 7 | |||||
W35431 | 5:07 AM Cardiff Central (CDF) | 2h09 | 7:16 AM London Paddington (PAD) | 0 transfersDirect | |
W35161 | 5:53 AM Cardiff Central (CDF) | 1h51 | 7:44 AM London Paddington (PAD) | 0 transfersDirect | |
G15040 | 6:24 AM Cardiff Central (CDF) | 1h52 | 8:16 AM London Paddington (PAD) | 0 transfersDirect | |
G15001+ L79353 | 6:28 AM Cardiff Central (CDF) | 3h52 | 10:20 AM London Waterloo (WAT) | 1 transfer | |
W35166 | 6:51 AM Cardiff Central (CDF) | 2h00 | 8:51 AM London Paddington (PAD) | 0 transfersDirect | |
W35167 | 7:23 AM Cardiff Central (CDF) | 1h49 | 9:12 AM London Paddington (PAD) | 0 transfersDirect | |
W35169 | 7:49 AM Cardiff Central (CDF) | 1h55 | 9:44 AM London Paddington (PAD) | 0 transfersDirect | |
G15041 | 8:18 AM Cardiff Central (CDF) | 1h56 | 10:14 AM London Paddington (PAD) | 0 transfersDirect | |
G15042 | 8:38 AM Cardiff Central (CDF) | 1h58 | 10:36 AM London Paddington (PAD) | 0 transfersDirect | |
W35432 | 9:19 AM Cardiff Central (CDF) | 2h01 | 11:20 AM London Paddington (PAD) | 0 transfersDirect | |
G15043 | 9:49 AM Cardiff Central (CDF) | 1h57 | 11:46 AM London Paddington (PAD) | 0 transfersDirect | |
W35178 | 10:18 AM Cardiff Central (CDF) | 1h53 | 12:11 PM London Paddington (PAD) | 0 transfersDirect | |
G15044 | 10:50 AM Cardiff Central (CDF) | 1h59 | 12:49 PM London Paddington (PAD) | 0 transfersDirect | |
G15045 | 11:18 AM Cardiff Central (CDF) | 1h52 | 1:10 PM London Paddington (PAD) | 0 transfersDirect | |
W35182 | 11:50 AM Cardiff Central (CDF) | 1h55 | 1:45 PM London Paddington (PAD) | 0 transfersDirect | |
G15046 | 12:18 PM Cardiff Central (CDF) | 1h54 | 2:12 PM London Paddington (PAD) | 0 transfersDirect | |
G15047 | 12:50 PM Cardiff Central (CDF) | 1h54 | 2:44 PM London Paddington (PAD) | 0 transfersDirect | |
W35434 | 1:18 PM Cardiff Central (CDF) | 1h54 | 3:12 PM London Paddington (PAD) | 0 transfersDirect | |
W35187 | 1:50 PM Cardiff Central (CDF) | 1h54 | 3:44 PM London Paddington (PAD) | 0 transfersDirect | |
W35188 | 2:18 PM Cardiff Central (CDF) | 1h51 | 4:09 PM London Paddington (PAD) | 0 transfersDirect | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Discover the best of London — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect London trip today.
Vast world museum with the Rosetta Stone, Parthenon sculptures and global antiquities. Essential for history lovers.
Leading art museum on Trafalgar Square with masterpieces from Van Gogh, Turner and da Vinci. Free and internationally renowned.
Grand museum of art, design and performance with fashion, sculpture and decorative arts collections in South Kensington.
Lively riverside stretch linking major landmarks, markets and cultural venues. Ideal for walking, views and people-watching.
Large royal park with the Serpentine, rose gardens and broad lawns. Excellent for relaxing, boating and central green space.
Historic Greenwich riverside district with maritime heritage, market streets and hilltop views near major cultural landmarks.
Classic English fish fried in batter with chips. A London staple tied to the city’s working-class food culture and best eaten fresh with salt and vinegar.
Slow-cooked beef, carrots, onions and herbs under a suet pastry lid. A comforting British pie long associated with London pubs and Sunday meals.
A full cooked breakfast with eggs, sausages, bacon, beans, mushrooms and toast. A traditional morning meal served across London cafes and hotels.
Celebrated fine dining restaurant by Heston Blumenthal showcasing historic British dishes in an elegant, high-end Knightsbridge room.
Well-known pub serving excellent pies, ales and British mains in a relaxed, polished gastropub setting near Victoria Park.
Historic Covent Garden restaurant famous for classic British pies in a lively, traditional setting popular with locals and visitors.
Very costly by European standards. Hotels, dining, and transit are pricier than in most UK and EU city breaks, especially in central areas.
Restaurants often add 12.5% service; if not, tip 10-12%. Taxis: round up or 10%. Cafes: optional small change or none.
Official public transport app
London Waterloo -> Westminster Station
The train connection between Cardiff and London is efficient and convenient, making it easy for travelers to explore these vibrant cities. The journey typically takes around 2 hours, with services provided by Great Western Railway and South Western Railway. With frequent departures throughout the day, passengers can enjoy comfortable seating and scenic views along the way. Whether you're heading to Cardiff's historic sites or London's iconic attractions, this rail link offers a seamless travel experience.
Traveling from Cardiff to London takes approximately 1h 48m, with up to 16 direct connections available each day. Passengers will depart from Cardiff Central and arrive at London Paddington.
The first daily train from Cardiff to London departs at 05:20 AM, providing an early start for travelers looking to explore the vibrant capital. The last journey of the day leaves Cardiff at 11:11 PM, allowing late-night arrivals in London for those wishing to enjoy a full day of sightseeing or evening events.
The cheapest ticket price for the train connection from Cardiff to London is £25. The average ticket price typically hovers around £61, making it a convenient option for travelers looking to explore these vibrant cities.
The Tower of London, a UNESCO World Heritage Site, has stood for over 1,000 years as a royal palace, fortress, and prison. Its significance lies not only in its role as the home of the Crown Jewels but also in its rich tapestry of history that includes tales of intrigue and execution. Unique features such as the iconic White Tower and the ravens that guard it add to its mystique and allure.
Buckingham Palace serves as both the official residence of Her Majesty The Queen and an emblematic symbol of British monarchy. This grand structure is significant for hosting state occasions and ceremonies while offering visitors a glimpse into royal life during select times when the State Rooms are open to public viewing. One unique feature is Changing the Guard ceremony; this vibrant display showcases British pageantry at its finest.
The British Museum houses one of the most comprehensive collections dedicated to human history across cultures from around the globe. Its significance stems from being free to enter while providing invaluable insights into ancient civilizations through artifacts like the Rosetta Stone or Elgin Marbles. A standout aspect is how it invites you on an immersive journey through time without ever leaving London—each exhibit tells stories that connect us all regardless of our origins.
Find answers to the most common questions about traveling from Cardiff 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 Cardiff to London trains use the Cardiff Central to Heathrow Terminal 5 station pair, with some services arriving at Heathrow Terminals 2 & 3. Use this guide to compare Cardiff and London train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.
Cardiff Central has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Lounge, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental, and Car Rental.
Food options include: Gourmet Coffee Bar & Kitchen, Pret a Manger, Tesco Express
Free Wi-Fi in the station. ATMs are located outside of the main entrance.
The ticket office is open Mon - Fri: 05:40 - 21:30, Sat: 05:40 - 21:30, Sun: 07:30 - 21:30.
Lost and found is available at the station.
Available at Cardiff Central: Parking, Taxis, WC.
Available at Cardiff Central: Bike Parking, Bike Rental, Car Rental.
Accessibility facilities are available at Cardiff Central: There is step-free access in the whole station. There are also ramps for train access and elevators in the station.
Nearby hotels include Clayton Hotel Cardiff, Cardiff Marriott Hotel, Travelodge Cardiff Central.
Cathays has practical services for this route, including Parking, Dining, Accessibility, Hotel, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental, and Information Desk.
Food and drink options are available at Cathays.
Ticket office support is available at Cathays. 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 Cathays: Parking.
Available at Cathays: Bike Parking, Bike Rental.
Accessibility facilities are available at Cathays: Staff help available: Yes, Step free access coverage: No, Step free access note: Category B3. While both platforms are step-free, there is no facility for wheelchair users, mobility scooter users or persons with reduced mobility to cross between Platform 1 and 2 due to a steep footbridge. Customers who have travelled from the Valleys and wish to access the University or the Civic Centre are advised to travel to Queen Street station, change onto a North-bound service and alight at Cathays on the return service, Accessible ticket machines: There are accessible ticket machines at this station, Accessible ticket machines note: The ticket machine(s) take cash, and major debit and credit cards. The machine on the Cardiff-bound platform is only available during staffing hours. The machine on the Pontypridd-bound platform is available all the time, Ramp for train access: Yes, Wheelchairs available: No, Impaired mobility set down / pick up points available: No.
Nearby hotels include Travelodge.
Cardiff Queen Street has practical services for this route, including Parking, Dining, Taxis, Accessibility, WC, Hotel, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental, and Information Desk.
Food and drink options are available at Cardiff Queen Street.
Ticket office support is available at Cardiff Queen Street. 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 Cardiff Queen Street: Parking, Taxis, WC.
Available at Cardiff Queen Street: Bike Parking, Bike Rental.
Accessibility facilities are available at Cardiff Queen Street: Staff help available: Yes, Step free access coverage: Yes, Accessible ticket machines: There are accessible ticket machines at this station, Accessible ticket machines note: The ticket machines are near the main entrance and take cash and major debit and credit cards, Accessible toilets: Yes, Ramp for train access: Yes, Wheelchairs available: No, Impaired mobility set down / pick up points available: No.
Nearby hotels include Travelodge.
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.
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 4 is 22 km from London city centre. Public transport options include:
Heathrow Terminal 4 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 Terminal 4. ATMs are available at Heathrow Terminal 4.
Ticket office support is available at Heathrow Terminal 4.
Lost and found is available at the station.
Available at Heathrow Terminal 4: Parking, WC.
Accessibility facilities are available at Heathrow Terminal 4: 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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