How much does a cheap train ticket from London to Swansea cost?

The average train ticket price from London to Swansea is $153. The best way to find cheap train tickets from London to Swansea is to book your tickets as early as possible. Prices tend to rise as your travel date approaches, so book in advance to secure the best prices!

How long is the trip from London to Swansea?

A train trip between London and Swansea is around 2h 44m, although the fastest train will take about 2h 39m. This is the time it takes to travel the 265 km that separates the two cities.

How many daily trains are there between London and Swansea?

The number of trains from London to Swansea can differ depending on the day of the week. On average, there are 12. Some trains are direct while others include transferring trains. Simplify your train trip from London to Swansea by comparing and selecting the train that fits your travel style and budget on Busbud.

Which train companies travel from London to Swansea?

When taking the train from London to Swansea, you can travel comfortably and safely with Great Western Railway.

What are the departure and arrival stations for a train from London to Swansea?

Trains travelling between London and Swansea leave from King's Cross or St Pancras International and arrive at Swansea University - Bay Campus.

Train London to Swansea from $82

Next train departures

Next departures for London to Swansea on November 18
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	10:48am	London Paddington	2h 42m	1:30pm	Swansea	Cheapest
Train	11:48am	London Paddington	2h 39m	2:27pm	Swansea	Fastest
Train	7:48am	London Paddington	2h 41m	10:29am	Swansea	No tags
Train	7:48am	London Paddington	2h 41m	10:29am	Swansea	No tags
Train	8:48am	London Paddington	2h 42m	11:30am	Swansea	No tags

Next departures for London to Swansea on November 19
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	10:48am	London Paddington	2h 42m	1:30pm	Swansea	Cheapest
Train	11:48am	London Paddington	2h 39m	2:27pm	Swansea	Fastest
Train	7:48am	London Paddington	2h 41m	10:29am	Swansea	No tags
Train	7:48am	London Paddington	2h 41m	10:29am	Swansea	No tags
Train	8:48am	London Paddington	2h 42m	11:30am	Swansea	No tags

Next departures for London to Swansea on November 20
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	10:48am	London Paddington	2h 42m	1:30pm	Swansea	Cheapest
Train	11:48am	London Paddington	2h 39m	2:27pm	Swansea	Fastest
Train	7:48am	London Paddington	2h 41m	10:29am	Swansea	No tags
Train	7:48am	London Paddington	2h 41m	10:29am	Swansea	No tags
Train	8:48am	London Paddington	2h 42m	11:30am	Swansea	No tags

Next departures for London to Swansea on November 21
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	10:48am	London Paddington	2h 42m	1:30pm	Swansea	Cheapest
Train	11:48am	London Paddington	2h 39m	2:27pm	Swansea	Fastest
Train	7:48am	London Paddington	2h 41m	10:29am	Swansea	No tags
Train	7:48am	London Paddington	2h 41m	10:29am	Swansea	No tags
Train	8:48am	London Paddington	2h 42m	11:30am	Swansea	No tags

Next departures for London to Swansea on November 22
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	4:16pm	London Paddington	3h 5m	7:21pm	Swansea	Cheapest
Train	7:48am	London Paddington	2h 42m	10:30am	Swansea	Fastest
Train	11:48am	London Paddington	2h 42m	2:30pm	Swansea	No tags
Train	12:48pm	London Paddington	2h 46m	3:34pm	Swansea	No tags
Train	12:48pm	London Paddington	2h 46m	3:34pm	Swansea	No tags

Next departures for London to Swansea on November 23
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	8:33am	London Paddington	2h 53m	11:26am	Swansea	Cheapest
Train	6:45pm	London Paddington	2h 42m	9:27pm	Swansea	Fastest
Train	8:33am	London Paddington	2h 53m	11:26am	Swansea	No tags
Train	9:31am	London Paddington	2h 51m	12:22pm	Swansea	No tags
Train	9:31am	London Paddington	2h 51m	12:22pm	Swansea	No tags

Next departures for London to Swansea on November 24
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	11:48am	London Paddington	2h 39m	2:27pm	Swansea	Cheapest
Train	11:48am	London Paddington	2h 39m	2:27pm	Swansea	Fastest
Train	7:48am	London Paddington	2h 41m	10:29am	Swansea	No tags
Train	7:48am	London Paddington	2h 41m	10:29am	Swansea	No tags
Train	8:48am	London Paddington	2h 42m	11:30am	Swansea	No tags

Last refresh of the prices: Today at 10:51 PM GMT.

Compare 3 ways to go from London to Swansea

We recommend carpooling

Among the sustainable travel choices, the carpool stands out as a good way to reach Swansea. The journey takes about 3 hours 20 minutes, and with fares starting at just $33, it presents an excellent value for a comfortable ride.

3carpool per day

3h 20mAverage Duration

265 kmDistance

11kgCO₂ emissions

	Average Price	Average Duration	CO₂ emissions
Bus	Average Price$18 - $114	Average Duration6h 10m	CO₂ emissions 7kg CO₂e
Train	Average Price$74 - $497	Average Duration2h 44m	CO₂ emissions 6kg CO₂e
Carpool	Average Price$33 - $56	Average Duration3h 20m	CO₂ emissions 11kg CO₂e

Train companies

Great Western Railway

4/542 reviews

Staff5

Timeliness4.7

Cleanliness4.7

Wifi4

Based on 42 reviews, the company was rated 4 stars on Busbud. Travellers were especially satisfied with the staff and the seats but often complained with the WiFi. Great Western Railway ticket prices on this trip start at $74

GB train and bus companies:Amtrak, Trenitalia, Renfe, VIA Rail Canada, RegioJet, FlixTrain, CrossCountry

Where are the popular train stations and stops in London and Swansea?

Stops in London

A - King's Cross

B - St Pancras International

C - Euston Station

D - Waterloo

E - London Bridge

F - Marylebone

Stops in Swansea

A - Swansea University - Bay Campus

Frequently asked questions about travelling from London to Swansea by train

How much does a cheap train ticket from London to Swansea cost?
The average train ticket price from London to Swansea is $153. The best way to find cheap train tickets from London to Swansea is to book your tickets as early as possible. Prices tend to rise as your travel date approaches, so book in advance to secure the best prices!
How long is the trip from London to Swansea?
A train trip between London and Swansea is around 2h 44m, although the fastest train will take about 2h 39m. This is the time it takes to travel the 265 km that separates the two cities.
How many daily trains are there between London and Swansea?
The number of trains from London to Swansea can differ depending on the day of the week. On average, there are 12. Some trains are direct while others include transferring trains. Simplify your train trip from London to Swansea by comparing and selecting the train that fits your travel style and budget on Busbud.
Which train companies travel from London to Swansea?
When taking the train from London to Swansea, you can travel comfortably and safely with Great Western Railway.
What are the departure and arrival stations for a train from London to Swansea?
Trains travelling between London and Swansea leave from King's Cross or St Pancras International and arrive at Swansea University - Bay Campus.

Find cheapest prices for trains

Price is for a one-way ticket for one passenger and based on past searches.

Best price found

11-15

$120

11-16

$128

Today

$177

11-18

$120

11-19

$120

11-20

$120

11-21

$128

11-22

$112

The cheapest trip from London to Swansea was searched and found on Nov 22, 2025 with a price of $112

To save money and be sure you have the best seat, it's a good idea to buy your train tickets from London to Swansea, as early as possible.

You can expect to pay from $112 to $361 for a train ticket from London to Swansea based on the last 2 days. You can expect to find the cheapest price for the trip at $112 which is on 2025-11-22.