
No booking fees on the app

Best Price Promise

Delay Repay

24/7 customer support
London to Porthmadog train timetable
Journey from London to Porthmadog on the fastest train in 6h 6m, usually 6h 18m. Every day, 13 trains leave from London, starting at 06:33 and ending at 23:30. During Off-Peak Times from 09:30 on weekdays, enjoy a quieter and less crowded journey. Get real-time updates on train schedules, delays, and cancellations. Save time, effort, and money with us.
| Departs | Arrives | Operator | ||
|---|---|---|---|---|
07:35 London Marylebone | 7h 21m, 1 change | 14:56 Porthmadog | Chiltern Railways | Find tickets |
08:40 London Euston | 6h 16m, 1 change | 14:56 Porthmadog | Avanti West Coast | Find tickets |
10:40 London Euston | 6h 12m, 2 change | 16:52 Porthmadog | Avanti West Coast | Find tickets |
12:40 London Euston | 6h 16m, 1 change | 18:56 Porthmadog | Avanti West Coast | Find tickets |
14:40 London Euston | 6h 15m, 1 change | 20:55 Porthmadog | Avanti West Coast | Find tickets |
London to Porthmadog train tickets and times
London to Porthmadog train travel guide
Taking the train from London to Porthmadog is both efficient and enjoyable, offering scenic views and comfort. With frequent departures from London, you can arrive at Porthmadog in just 6h 6m, making it a quick and convenient option for travelling between these two places.

Planning and booking
How much does it cost for a train from London to Porthmadog?
Ticket prices from London to Porthmadog average around £16.00, but vary based on travel dates and ticket flexibility. To see the exact fare for your trip, please perform a search with your preferred dates.
How do I find the best train route from London to Porthmadog?
What is the fastest train from London to Porthmadog?
The fastest train journey time from London to Porthmadog is 6h 6m. Direct trains can save significant time by avoiding transfers. Always check if a direct route is available for your journey. Moreover, when searching for trains, consider the total travel time. Some routes with fewer stops or more efficient schedules might be faster.
Are there direct trains from London to Porthmadog?
No, unfortunately, you need to transfer from London to Porthmadog. Still, the TrainPal Train Journey Planner helps you find the best train. Just input your origin or destination places, then click "Search" to see the suitable route.
Is it worth taking a train from London to Porthmadog?
Yes, the train is always an excellent choice that balances convenience, comfort, and efficiency. It's more environmentally friendly and relaxing than driving, as you avoid traffic and parking. While coaches may be cheaper, the train provides superior comfort, more space, and greater scheduling flexibility. With the added benefit of arriving directly in the city centre, it's a very convenient way to travel.
How far in advance can I book my train ticket?
To get the best price on UK train tickets, it is essential to book as early as you can. Train operators generally release their cheapest Advance tickets up to 12 weeks ahead of the travel date, making early booking the most effective way to secure a lower fare.

Check timetables and during the journey
How do I find London to Porthmadog train timetables?
While London to Porthmadog trains are usually on time, delays or disruptions may occur due to weather, strikes, and other factors. Finding a train timetable for your trip from London to Porthmadog is easy with Train Journey Planner. Simply enter your departure and arrival stations to get a detailed schedule of available trains. Input your travel details to discover the best routes, connections, and train times.
How early should I arrive for a train in the UK?
Usually, you need to arrive at a station at least 15-20 minutes ahead of time. However, consider the station's size and your familiarity with it. If the station is large and you are not familiar with it, leaving home as early as possible is the best choice. This can reduce your stress and ensure a relaxing journey.
Do London to Porthmadog trains offer Wi-Fi and other facilities?
Yes, most trains on the route from London to Porthmadog are equipped with Wi-Fi. Passengers can also enjoy complimentary food, drinks, and power sockets for a more comfortable journey. Please note that the availability of these services can vary depending on the train company
How do I transfer between train stations in the UK?
Check our Train Journey Planner, which provides detailed information about transfers to ensure your journey is uninterrupted, saving you time and effort, and allowing you to get a full rest for travelling.
What is the difference between Standard and First Class?
While Standard Class offers a good travel experience, First Class provides an upgrade in comfort and service. This typically includes enhanced amenities like complimentary food and drinks, though the specific offerings depend on the train operator.

Other things you might be interested
Are there discounts for students or seniors on UK train tickets?
Can UK train tickets be refunded or changed?
How do I check train delays and cancellations in the UK?
Use TrainPal for quick access to live updates and notifications. If your phone allows messages from us, you'll receive instant notifications about train cancellations directly on your screen.
Which train companies operate the London to Porthmadog route?
The route from London to Porthmadog is operated by Avanti West Coast. To find the operator for any other journey, perform a search for your route on this page; the operator's name will be listed with each travel option.
Essential onboard rules and facilities
-
Luggage
Each passenger is permitted to bring up to 3 pieces of luggage at no extra cost. This can include a combination of items such as suitcases, backpacks, and satchels.
-
Bicycle
Bike reservations are mandatory and free for most train journeys, but space is limited. Standard bicycles and folding bikes are generally allowed. Some operators also permit tandems and e-bikes. Please note that e-scooters, motorcycles, tricycles, and bicycle trailers are not permitted. We strongly recommend checking the specific cycle policy on your train operator's website before you travel.
-
Children
Discounts are available for young travellers based on age: Travellers under 5 usually travel free, children aged 5–15 get a 50% discount, and 16 to 17-year-olds can use a 16-17 Saver Railcard to get 50% off.
-
Pets
Each passenger can travel with up to 2 pets for free. Throughout the journey, dogs must be on a lead, and any other pets must remain in their carrier. Animals are not permitted on seats or in restaurant carriages.
-
Passenger assistance
For passengers with disabilities or additional needs, all train operators provide dedicated assistance. It is essential to book this service in advance to guarantee its availability.
How to buy cheap London to Porthmadog train tickets

Cheaper train tickets for less busy times. Combine with Advance fares for the best deals.
Compensation and refunds

Your plans have changed?

Your train was disrupted?
* Prices are dynamic and subject to change. Ticket prices vary based on time of day, route, and class. This pricing does not apply to discounted Split tickets and Railcards.





















New user welcome pack