CrossCountry
Great Western Railway
Looking for the cheapest date to travel?
Within 7 days
Outbound fromWithin 1 month
Outbound fromWithin 3 months
Outbound fromLow prices found by our customers
Each fare is the lowest adult economy ticket fare found by our customers on Trainline. Fares booked further in advance than the dates displayed may be cheaper. Prices are updated daily, subject to change and indicative of price last update. Limited availability. Discount cards and coach journeys excluded, prices exclusive of booking fee.
Trains to London from Merthyr Tydfil
It takes an average of 4h 50m to travel from Merthyr Tydfil to London by train, over a distance of around 140 miles (226 km). There are normally 169 trains per day travelling from Merthyr Tydfil to London and tickets for this journey start from £35.50 when you book in advance.
| First train | 04:15 | |
|---|---|---|
| Last train | 22:37 | |
| Departure station | Merthyr Tydfil | |
| Arrival station | London | |
| Journey time | From 3h 2m | |
| Distance | 140 miles (226 km) | |
| Frequency | 169 trains per day | |
| Changes | 1 change | |
| Price | From £35.50 | |
| Train operators | CrossCountry, Great Western Railway, South Western Railway, Southeastern, Thameslink, Transport for Wales |
Trains to London from Merthyr Tydfil
Want to travel from Merthyr Tydfil to London by train? Start your journey with us.
It takes an average of 4 hours 50 minutes to travel from Merthyr Tydfil to London by train. You'll find on average 169 trains per day running on this route.
There aren't any direct services on this line, but it's still easy to travel to London by train; you'll need to make 1 change.
Great Western Railway, Transport for Wales, South Western Railway and Southeastern trains operate on this route.
The journey from Merthyr Tydfil to London starts at £35.50. Generally, booking Advance train tickets works out cheaper.
See our Journey Planner for up-to-date times and prices.
What do people frequently ask about the train journey from Merthyr Tydfil to London?
Want to know more about your journey from Merthyr Tydfil to London? We've compiled some of the most frequently asked questions by our customers to help you plan your journey.
Are there any direct trains from Merthyr Tydfil to London?
How far is the train ride from Merthyr Tydfil to London?
Can I take a flight-free trip from Merthyr Tydfil to London?
What is the best way to travel to London from Merthyr Tydfil?
What time does the first train run from Merthyr Tydfil to London?
How late does the train from Merthyr Tydfil to London run?
How many trains go from Merthyr Tydfil to London per day?
When do tickets from Merthyr Tydfil to London go on sale?
Planning a round trip from Merthyr Tydfil to London?
How do I find cheap train tickets from Merthyr Tydfil to London?
As most UK train companies increase their prices as the departure date approaches, our Trainline team of experts have put together these tips to help you find the cheapest tickets.
1. Book in advance
Train tickets from Merthyr Tydfil to London start at £35.50§ one way for a Standard Class ticket if you book in advance. UK train companies usually release Advance tickets up to 12 weeks ahead of time, and these can be cheaper than tickets bought on the day of travel.
2. Sign up to Ticket Alert
If you're planning a trip more than 12 weeks ahead, sign up to our Ticket Alert to get notified when Advance tickets are released for your travel date.
3. Use a Railcard
National Railcards offer a 1/3 off eligible train tickets in the UK and can be a great investment if you travel throughout the year. Buy one with us and you'll be able to store it digitally in our app, so you'll always have it on your travels.
4. Book split tickets
Our handy feature SplitSave will 'split' your train journey into multiple tickets, which can be much cheaper than buying a single ticket. Find out more about split tickets.
5. Travel Off-Peak
If you can be flexible with your travel times, Off-Peak and Super Off-Peak tickets are usually cheaper in the UK. Generally, Off-Peak times are any time at weekends and outside of Monday to Friday morning and evening rush hours.
6. Consider a Season Ticket
Best for commuters, if you catch a train on the same route more than 3 times per week, you could save money with a Season Ticket. With annual, monthly, weekly and flexi options available, find out if a Season Ticket for Merthyr Tydfil to London is right for you.
For more money-saving tips on UK and European train travel, read our cheap train tickets guide.
§Advance adult single fare. Excludes booking fee. Prices seen by Trainline customers in the last 30 days. Availability limited.