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Cardiff Bay to London buses

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Trip Overview

The average bus between Cardiff Bay and London takes 5h 26m and the fastest bus takes 3h 56m. The bus service runs several times per day from Cardiff Bay to London. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

5h 26m
Duration
153 mi
Distance
£30
Average price
Every 3 hours
Frequency

Bus

best
  1. Take the bus from Sophia Gardens to London Victoria Coach Station Arrivalsbus bus 509 / ...
4h 30m
£24–46

Cardiff Bay to London bus times

Buses run every 3 hours between Cardiff Bay and London. The earliest departure is at 12:33 AM at night, and the last departure from Cardiff Bay is at 10:54 PM which arrives into London at 7:20 AM. All services require a transfer at Cardiff Bus Interchange Bay 3 and take an average of 5h 26m. The schedules shown below are for the next available departures.

Departing Thursday, October 8, 2026

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    Cardiff BusCardiff BusNational Express4h 12m • 2 changes

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    Arrives next day

    First South & West WalesCardiff BusNational Express7h 56m • 2 changes

Departing Friday, October 9, 2026

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    First South & West WalesStagecoach South WalesNational Express10h 47m • 2 changes

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    First South & West WalesStagecoach South WalesNational Express4h 46m • 2 changes

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    First South & West WalesCardiff BusNational Express4h 40m • 2 changes

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    First South & West WalesCardiff BusNational Express4h 15m • 2 changes
  • Show more

Departing Saturday, October 10, 2026

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    First South & West WalesCardiff BusNational Express10h 47m • 2 changes

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    Cardiff BusCardiff BusNational Express4h 12m • 2 changes

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    First South & West WalesCardiff BusNational Express4h 40m • 2 changes

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    First South & West WalesCardiff BusNational Express4h 15m • 2 changes
  • Show more

Departing Sunday, October 11, 2026

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    First South & West WalesCardiff BusNational Express12h 47m • 2 changes

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    First South & West WalesStagecoach South WalesNational Express5h 43m • 2 changes

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    First South & West WalesStagecoach South WalesNational Express5h • 2 changes

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    First South & West WalesStagecoach South WalesNational Express5h 28m • 2 changes
  • Show more

Departing Monday, October 12, 2026

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    First South & West WalesStagecoach South WalesNational Express10h 41m • 2 changes

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    First South & West WalesStagecoach South WalesNational Express4h 46m • 2 changes

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    First South & West WalesCardiff BusNational Express4h 40m • 2 changes

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    First South & West WalesCardiff BusNational Express4h 30m • 2 changes
  • Show more

Departing Tuesday, October 13, 2026

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    First South & West WalesStagecoach South WalesNational Express10h 47m • 2 changes

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    First South & West WalesStagecoach South WalesNational Express4h 46m • 2 changes

  •  → 

    First South & West WalesCardiff BusNational Express4h 40m • 2 changes

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    First South & West WalesCardiff BusNational Express4h 30m • 2 changes
  • Show more

Frequently asked questions

Want to know about travelling from Cardiff Bay to London? 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 Cardiff Bay to London.ExpandLaunch map view
  • Distance: 153 mi
  • Duration: 5h 26m

What companies run services between Cardiff Bay, Wales and London, England?

National Express operates a bus from Sophia Gardens to London Victoria Coach Station Arrivals hourly. Tickets cost £21–40 and the journey takes 3h 50m.

Operators