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Southwark to Cardiff trains

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Trip Overview

The average train between Southwark and Cardiff takes 2h 21m and the fastest train takes 2h 4m. There is an hourly train service from Southwark to Cardiff. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

2h 21m
Duration
148 mi
Distance
£72
Average price
Hourly
Frequency

Train

best
  1. Take the train from London Paddington to Cardiff Centraltrain train London Paddington - Swansea / ...
2h 35m
£62–112

Southwark to Cardiff train times

Trains run hourly between Southwark and Cardiff. The earliest departure is at 12:25 AM at night, and the last departure from Southwark is at 10:27 PM which arrives into Cardiff at 1:08 AM. All services require a transfer at Paddington station and take an average of 2h 21m. The schedules shown below are for the next available departures.

Departing Monday, October 26, 2026

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    London Underground (Tube)Great Western Railway (GWR)7h 41m • 1 change

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    London Underground (Tube)Great Western Railway (GWR)2h 19m • 1 change

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    London Underground (Tube)Great Western Railway (GWR)2h 16m • 1 change

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    London Underground (Tube)Great Western Railway (GWR)2h 10m • 1 change
  • Show more

Departing Tuesday, October 27, 2026

  •  → 

    London Underground (Tube)Great Western Railway (GWR)7h 41m • 1 change

  •  → 

    London Underground (Tube)Great Western Railway (GWR)2h 19m • 1 change

  •  → 

    London Underground (Tube)Great Western Railway (GWR)2h 16m • 1 change

  •  → 

    London Underground (Tube)Great Western Railway (GWR)2h 10m • 1 change
  • Show more

Departing Wednesday, October 28, 2026

  •  → 

    London Underground (Tube)Great Western Railway (GWR)7h 41m • 1 change

  •  → 

    London Underground (Tube)Great Western Railway (GWR)2h 19m • 1 change

  •  → 

    London Underground (Tube)Great Western Railway (GWR)2h 16m • 1 change

  •  → 

    London Underground (Tube)Great Western Railway (GWR)2h 10m • 1 change
  • Show more

Departing Thursday, October 29, 2026

  •  → 

    London Underground (Tube)Great Western Railway (GWR)7h 41m • 1 change

  •  → 

    London Underground (Tube)Great Western Railway (GWR)2h 19m • 1 change

  •  → 

    London Underground (Tube)Great Western Railway (GWR)2h 16m • 1 change

  •  → 

    London Underground (Tube)Great Western Railway (GWR)2h 10m • 1 change
  • Show more

Departing Friday, October 30, 2026

  •  → 

    London Underground (Tube)Great Western Railway (GWR)7h 41m • 1 change

  •  → 

    London Underground (Tube)Great Western Railway (GWR)2h 19m • 1 change

  •  → 

    London Underground (Tube)Great Western Railway (GWR)2h 16m • 1 change

  •  → 

    London Underground (Tube)Great Western Railway (GWR)2h 10m • 1 change
  • Show more

Departing Saturday, October 31, 2026

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    London Underground (Tube)Great Western Railway (GWR)2h 11m • 1 change

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    London Underground (Tube)Great Western Railway (GWR)2h 9m • 1 change

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    London Underground (Tube)Great Western Railway (GWR)2h 13m • 1 change

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    London Underground (Tube)Great Western Railway (GWR)2h 13m • 1 change
  • Show more

Frequently asked questions

Want to know about travelling from Southwark to Cardiff? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.

Map of how to get from Southwark to Cardiff.ExpandLaunch map view
  • Distance: 148.4 mi
  • Duration: 2h 21m

What companies run services between Southwark, England and Cardiff, Wales?

Great Western Railway (GWR) operates a train from London Paddington to Cardiff Central hourly. Tickets cost £60–110 and the journey takes 1h 51m.

Operators