How much is the train ticket from London to Swansea?

The cheapest train tickets from London to Swansea start at $74. The average price for this train route is around $137. Busbud recommends booking your tickets in advance to increase your chances of getting the lowest possible price.

How long is the train ride from London to Swansea?

The average train trip from London to Swansea takes 2h 45m and covers 261 km. The quickest train gets you there in 2h 39m and is operated by Great Western Railway .

Which train operators serve the London to Swansea route?

Several major train operators serve this route, with 13 trains available per day.

What are the earliest and latest departure times for the train from London to Swansea?

The earliest train from London to Swansea departs at 7:31am. The latest train departs at 11:32pm.

Train London to Swansea from $80

Next train departures

Next departures for London to Swansea on December 12
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 December 13
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	7:48am	London Paddington	2h 42m	10:30am	Swansea	CheapestFastest
Train	7:48am	London Paddington	2h 42m	10:30am	Swansea	No tags
Train	8:48am	London Paddington	2h 42m	11:30am	Swansea	No tags
Train	8:48am	London Paddington	2h 42m	11:30am	Swansea	No tags
Train	9:48am	London Paddington	2h 46m	12:34pm	Swansea	No tags

Next departures for London to Swansea on December 14
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	8:33am	London Paddington	2h 49m	11:22am	Swansea	Cheapest
Train	6:45pm	London Paddington	2h 42m	9:27pm	Swansea	Fastest
Train	8:33am	London Paddington	2h 49m	11:22am	Swansea	No tags
Train	9:31am	London Paddington	2h 50m	12:21pm	Swansea	No tags
Train	9:31am	London Paddington	2h 50m	12:21pm	Swansea	No tags

Next departures for London to Swansea on December 15
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 December 16
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 December 17
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 December 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

Last refresh of the prices: Today at 7:21 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 40 minutes, and with fares starting at just $29, it presents an excellent value for a comfortable ride.

1carpool per day

3h 40mAverage Duration

265 kmDistance

11kgCO₂ emissions

	Average Price	Average Duration	CO₂ emissions
Bus	Average Price$17 - $145	Average Duration5h 55m	CO₂ emissions 7kg CO₂e
Train	Average Price$74 - $348	Average Duration2h 45m	CO₂ emissions 6kg CO₂e
Carpool	Average Price$29 - $57	Average Duration3h 40m	CO₂ emissions 11kg CO₂e

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

London

A
King's Cross
7 York Way, London N1 9AA, UK
Visit page
B
St Pancras International
King's Cross St. Pancras, Euston Rd, Kings Cross, London N1 9AL, UK
Visit page
C
Euston Station
Euston Railway Station B40 The Balcony, Eversholt St, London NW1 2DU, UK
Visit page
D
Waterloo
Waterloo Station Southbank, Station Approach, London SE1 8SW, UK
Visit page
E
London Bridge
51-55 St Thomas St, London SE1 3QX, UK
Visit page
F
Marylebone
Melcombe Pl, London NW1 6JJ, UK
Visit page

Swansea

A
Swansea University - Bay Campus
Elba Crescent, Skewen, Swansea SA1 8QQ, UK
Visit page

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, Amtrak Acela

Frequently asked questions about travelling from London to Swansea by train

Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.

How much is the train ticket from London to Swansea?
The cheapest train tickets from London to Swansea start at $74. The average price for this train route is around $137. Busbud recommends booking your tickets in advance to increase your chances of getting the lowest possible price.
How long is the train ride from London to Swansea?
The average train trip from London to Swansea takes 2h 45m and covers 261 km. The quickest train gets you there in 2h 39m and is operated by Great Western Railway.
Which train operators serve the London to Swansea route?
Several major train operators serve this route, with 13 trains available per day.
What are the earliest and latest departure times for the train from London to Swansea?
The earliest train from London to Swansea departs at 7:31am. The latest train departs at 11:32pm.

Find cheapest prices for trains

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

Best price found

12-09

$298

12-10

$128

Today

$129

12-12

$130

12-13

$129

12-14

$130

12-15

$130

12-16

$129

The cheapest trip from London to Swansea was searched and found on Dec 10, 2025 with a price of $128

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 $128 to $457 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 $129 which is on 2025-12-13.