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Heathrow to Caerphilly buses

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Trip Overview

The average bus between Heathrow and Caerphilly takes 4h 8m and the fastest bus takes 2h 57m. The bus service runs several times per day from Heathrow to Caerphilly. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

4h 8m
Duration
137 mi
Distance
£26
Average price
Every 3 hours
Frequency

Bus via Kingsway K14

best
  1. Take the bus from Heathrow Central Bus Station to Kingsway K14bus bus 201 / ...
  2. Take the bus from Market Square 22 to Caerphilly Library / The Twynbus bus 50A / ...
3h 17m
£21–36

Heathrow to Caerphilly bus times

Buses run every 3 hours between Heathrow and Caerphilly. The earliest departure is at 12:30 AM at night, and the last departure from Heathrow is at 7:50 PM which arrives into Caerphilly at 11:41 PM. All services require a transfer at Kingsway K14 and take an average of 4h 8m. The schedules shown below are for the next available departures.

Departing Friday, October 9, 2026

  •  → 

    National ExpressStagecoach South Wales7h 10m • 1 change

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    National ExpressStagecoach South Wales4h 3m • 1 change

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    National ExpressStagecoach South Wales3h 14m • 1 change

  •  → 

    National ExpressStagecoach South Wales4h 14m • 1 change
  • Show more

Departing Saturday, October 10, 2026

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    National ExpressStagecoach South Wales7h 43m • 1 change

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    National ExpressStagecoach South Wales3h 48m • 1 change

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    National ExpressStagecoach South Wales3h 14m • 1 change

  •  → 

    National ExpressStagecoach South Wales3h 14m • 1 change
  • Show more

Departing Sunday, October 11, 2026

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    National ExpressStagecoach South Wales9h 57m • 1 change

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    National ExpressStagecoach South Wales2h 57m • 1 change

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    National ExpressStagecoach South Wales2h 57m • 1 change

  •  → 

    National ExpressStagecoach South Wales2h 57m • 1 change
  • Show more

Departing Monday, October 12, 2026

  •  → 

    National ExpressStagecoach South Wales7h 10m • 1 change

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    National ExpressStagecoach South Wales4h 3m • 1 change

  •  → 

    National ExpressStagecoach South Wales3h 14m • 1 change

  •  → 

    National ExpressStagecoach South Wales3h 14m • 1 change
  • Show more

Departing Tuesday, October 13, 2026

  •  → 

    National ExpressStagecoach South Wales7h 10m • 1 change

  •  → 

    National ExpressStagecoach South Wales4h 3m • 1 change

  •  → 

    National ExpressStagecoach South Wales3h 14m • 1 change

  •  → 

    National ExpressStagecoach South Wales3h 14m • 1 change
  • Show more

Departing Wednesday, October 14, 2026

  •  → 

    National ExpressStagecoach South Wales7h 10m • 1 change

  •  → 

    National ExpressStagecoach South Wales4h 3m • 1 change

Frequently asked questions

Want to know about travelling from Heathrow to Caerphilly? 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 Heathrow to Caerphilly.ExpandLaunch map view
  • Distance: 137.4 mi
  • Duration: 4h 8m

What companies run services between Heathrow, England and Caerphilly, Wales?

You can take a bus from Heathrow Central Bus Station to Caerphilly Library / The Twyn via Kingsway K14 and Market Square 22 in around 3h 17m.

Operators