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Heathrow Terminal 3 to Cardiff buses

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Trip Overview

The average bus between Heathrow Terminal 3 and Cardiff takes 3h 21m and the fastest bus takes 2h 50m. There is an hourly bus service from Heathrow Terminal 3 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.

3h 21m
Duration
139 mi
Distance
£24
Average price
Hourly
Frequency

Heathrow Terminal 3 to Cardiff bus times

Buses run hourly between Heathrow Terminal 3 and Cardiff. The earliest departure is at 12:15 AM at night, and the last departure from Heathrow Terminal 3 is at 10:55 PM which arrives into Cardiff at 2:20 AM. All services run direct with no transfers required, and take on average 3h 21m. The schedules shown below are for the next available departures.

Departing Monday, November 2, 2026

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    bus bus 3h 30m • Direct
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    bus bus 3h 25m • Direct
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    bus bus 3h • Direct
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    bus bus 3h 40m • Direct
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Departing Tuesday, November 3, 2026

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    bus bus 3h 10m • Direct
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    bus bus 3h 5m • Direct
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    bus bus 3h 25m • Direct
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    bus bus 3h 40m • Direct
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Departing Wednesday, November 4, 2026

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    bus bus 3h 10m • Direct
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    bus bus 3h 5m • Direct
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    bus bus 3h 25m • Direct
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    bus bus 3h 40m • Direct
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Departing Thursday, November 5, 2026

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    bus bus 3h 10m • Direct
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    bus bus 3h 5m • Direct
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    bus bus 3h 25m • Direct
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    bus bus 3h 40m • Direct
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Departing Friday, November 6, 2026

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    bus bus 3h 10m • Direct
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    bus bus 3h 5m • Direct
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    bus bus 3h 25m • Direct
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    bus bus 3h 40m • Direct
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Departing Saturday, November 7, 2026

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    bus bus 3h 10m • Direct
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    bus bus 3h 5m • Direct
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    bus bus 3h 25m • Direct
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    bus bus 3h 40m • Direct
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Departing Sunday, November 8, 2026

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    bus bus 3h 10m • Direct
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    bus bus 3h 5m • Direct
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    bus bus 3h 25m • Direct
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    bus bus 3h 40m • Direct
  • Show more

Frequently asked questions

Want to know about travelling from Heathrow Terminal 3 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 Heathrow Terminal 3 to Cardiff.ExpandLaunch map view
  • Distance: 138.5 mi
  • Duration: 3h 21m

What companies run services between Heathrow Terminal 3, England and Cardiff, Wales?

National Express operates a bus from Heathrow Central Bus Station to Sophia Gardens hourly. Tickets cost £21–40 and the journey takes 3h. FlixBus also services this route hourly.

Operators