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Trains from London to Swansea

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Great Western Railway
Avanti West Coast

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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.
  1. Home
  2. Train times
  3. London to Swansea

Trains to Swansea from London

It takes an average of 3h 22m to travel from London to Swansea by train, over a distance of around 164 miles (264 km). There are normally 28 trains per day travelling from London to Swansea and tickets for this journey start from £35 when you book in advance.

First train

04:23

Last train

22:49

Departure stationLondon
Arrival stationSwansea
Journey time

From 2h 39m

Distance

164 miles (264 km)

Frequency

28 trains per day

Changes

Direct trains available

Price

From £35

Train operators

Great Western Railway

Taking the train from London to Swansea

The train from London to Swansea gets you into the heart of Wales' second city in just three hours. If you're stuck for something to do along the way, why not brush up on a few everyday Welsh phrases? With departures from around dawn, you'll arrive in time to say bore da (good morning).

It's a glorious trip through the Welsh countryside, and there's loads to distract you onboard too when you travel with Great Western Railway. Thanks to the free WiFi and power sockets near seats, you’ll be able to browse the internet while you travel without worrying about your phone running out of juice. Are you the kind of person who likes to stretch out? Upgrade to First Class for a roomier seat, plus a stream of snacks and drinks so you'll be fresh and raring to go when you step off the train, ready to take on the city's beaches, restaurants and Mumbles Pier.

Use our Journey Planner to start searching for tickets and find your train from London to Swansea today.

What do people frequently ask about the train journey from London to Swansea?

Want to know more about your journey from London to Swansea? We've compiled some of the most frequently asked questions by our customers to help you plan your journey.

How do I travel from London to Swansea?

You can get from London to Swansea by train in 3 hours and 22 minutes on average, with the fastest journeys taking just 2 hours and 39 minutes. You can also take the bus from London to Swansea. Check out our Journey Planner for more details.

How long does the train from London to Swansea take?

The average journey time by train between London and Swansea is 3 hours and 22 minutes, with around 28 trains per day running on this route. The journey time may be longer on weekends and holidays, so use our Journey Planner on this page to search for a specific travel date.

How much does the train from London to Swansea cost?

Train tickets from London to Swansea can start from as little as £35 when you book in advance and are usually more expensive when purchased on the day. Prices can also vary depending on the time of day, route and class you book.

What's the fastest journey time between London and Swansea by train?

The fastest journey time by train from London to Swansea is 2 hours and 39 minutes.

How do I find cheap train tickets from London to Swansea?

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 London to Swansea start at £35§ 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 London to Swansea 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.
† Average savings on advance fares booked at least one week before day of travel vs Anytime fares purchased on day of travel. Subject to availability. Excludes coach.

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