Timetable
Train route
Cheap train tickets
  1. Trip.com
  2. Trains
  3. UK Trains
  4. Route
  5. Porthmadog to London Trains
UK Trains New User Gifts 2% off trains

  • 2% OFF

    Jun 19, 2024-Jun 20, 2026

    2% OFF UK Train New User Promo Code

    Jun 19, 2024-Jun 20, 2026

Porthmadog to London train prices and times

Use Trip.com to buy tickets from Porthmadog to London, starting from £20.50 and averaging £20.50. The entire journey takes no more than 6h 4m. If you want to get more discounts, consider purchasing split tickets. Additionally, buying in advance is also good choice.

  • Fri, Aug 29
    From £20.50
  • Sat, Aug 30
    From £20.50
  • Sun, Aug 31
    From £20.50
  • Mon, Sep 1
    From £20.50
  • Tue, Sep 2
    From £20.50
  • Wed, Sep 3
    From £20.50
  • Thu, Sep 4
    From £20.50
DepartsArrivesDurationOperator
Find Tickets
06:53
Porthmadog
13:06
London Euston
6h 13m, No directTransport for WalesAvanti West Coast
Find Tickets
07:47
Porthmadog
14:09
London Euston
6h 22m, No directTransport for WalesAvanti West Coast
Find Tickets
09:57
Porthmadog
16:07
London Euston
6h 10m, No directTransport for WalesAvanti West Coast
Find Tickets
12:01
Porthmadog
18:06
London Euston
6h 5m, No directTransport for WalesAvanti West Coast
Find Tickets
14:02
Porthmadog
20:06
London Euston
6h 4m, No directTransport for WalesAvanti West Coast
Find Tickets
16:01
Porthmadog
22:14
Paris
6h 13m, No directTransport for WalesCrossCountryAvanti West Coast
Find Tickets
View More Trains

Porthmadog to London train route details

First train
First train
06:53
Last train
Last train
20:56
Departure station
Departure station
Porthmadog
Arrival station
Arrival station
London
Journey time
Journey time
6h 4m
Distance
Distance
316 km
Price
Price
£20.50*
Train Operators
Train Operators
Avanti West Coast, CrossCountry, Transport for Wales

How to book cheap train tickets from Porthmadog to London

Season Tickets for frequent travels

Season Tickets for frequent travels

Are you frequently traveling between Porthmadog and London on a weekly, monthly, or annual basis? Season Tickets provide unlimited travel during specific times, allowing you to freely hop on and off trains between two stations without worrying about individual ticket bookings, and offering significant savings in the process.
Network Railcard for Southeast England

Network Railcard for Southeast England

By purchasing a Network Railcard for only £30 per year, unlock incredible savings of up to 1/3 on every ticket for your travels within London and the South East. With this Railcard in hand, you can enjoy reduced costs on various ticket types, including Standard or Super Off-Peak Tickets.
Travelling in off-peak train times

Travelling in off-peak train times

We recommend buying train tickets from Porthmadog to London during off-peak hours. These times are usually before 06:30, between 09:30 and 16:00, and after 19:00 on weekdays, as well as all day on weekends and bank holidays. Choosing Off-Peak train tickets means benefiting from cheaper fares and less crowded trains, making your journey more enjoyable.
Using the Railcard for 1/3 off

Using the Railcard for 1/3 off

With a Railcard, you can save up to 1/3 on most rail fares. There are different types of Railcards available, such as the 16–25 Railcard, the Family & Friends Railcard, and the Senior Railcard, each catering to specific groups of travellers. You can discover more about Railcards here.
Split Tickets to save an average extra 30%

Split Tickets to save an average extra 30%

Another option to consider is splitting your tickets, which can save you around extra 30% on fares. Instead of purchasing a direct ticket from Porthmadog to London, you can split the route into two legs: A to C and C to B. This often turns out to be more affordable than buying a direct ticket, and you won’t even need to leave the train… or often your seat!.
Book in advance to save an average of 61%

Book in advance to save an average of 61%

Advance Tickets are usually released up to 12 weeks before the travel date and can be significantly cheaper than tickets purchased closer to departure. By planning your trip from Porthmadog to London ahead of time and securing your tickets early, you can save up to 61% on the cost of your travel.
Group travels to save 1/3

Group travels to save 1/3

If you are planning a trip with a group of three to nine people, take advantage of ⅓ off standard fares with group travel discounts, offered by many train companies, perfect for journeys with your family, friends, or colleagues.

Porthmadog to London train ticket types

Save money on your trip from Porthmadog to London with suitable train tickets. It's a great way to spend less!

Why Book Train Tickets With Trip.com?

  • Split Tickets

    Best Price Promise

    If you find trains for a cheaper price elsewhere, let us know and we'll refund the difference*

  • Split Tickets

    Split Tickets

    Save an average of 30% on train fares by splitting your Porthmadog to London journey

  • Split Tickets

    National Rail Partners

    Official train ticket sellers with 5-star customer service

  • Split Tickets

    No Booking Fees on the App

    Only pay for your train travel – no hidden fees

Recommendations

  • Trains from Porthmadog

  • Trains to London

  • Popular Routes

  • Top Destinations

  • Popular stations

*After comparing the full year of 2023 for Split tickets and full-price tickets on Trip.com, the average savings rate for Split tickets is 30%.