Next bus departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Bus | Heathrow T2 & T3 | Sophia Gardens | Cheapest | ||||
| Bus | Heathrow T2 & T3 | Cardiff Gate (Event services only, Coach Park) | Fastest | ||||
| Bus | Heathrow T2 & T3 | Sophia Gardens | No tags | ||||
 | Bus | Heathrow Airport, Central Bus Station | Cardiff North Road (Friary Gardens) | No tags | ||||
| Bus | Heathrow T2 & T3 | Sophia Gardens | No tags |
Last refresh of the prices: Yesterday at 9:35 AM GMT.
Compare 3 ways to go from Heathrow to Cardiff
Among the sustainable travel choices, the carpool stands out as a good way to reach Cardiff. The journey takes about 2 hours 20 minutes, and with fares starting at just $22, it presents an excellent value for a comfortable ride.
Where are the popular stops in Heathrow and Cardiff?
Stops in Heathrow
- B
Travelodge Hotel, Heathrow Central
708 Bath Road, Hounslow TW5 9TW - C
Premier Inn, Heathrow M4 J4
Shepiston Lane (Valid any Departure), Hayes UB3 - D
Comfort Hotel
Arlington Court, Mercure London Heathrow Hotel: Valid any Departure , Hayes UB3 - E
EasyHotel
2 Bletchmore Close, Hayes UB3 - F
Novotel Hotel
Holloway Lane, Valid any Departure, West Drayton UB7
Stops in Cardiff
- A2 Sophia Cl, Cardiff CF11, UK
- B
Cardiff University (o/s Cathays Rail Stn)
50 Park Place (Bus Stop, o/s Cathays Rail Stn), Cardiff CF10 - C
Cardiff Coach Station - Sophia Gardens
22 Cathedral Rd, Cardiff CF11 9LJ, UK - D
Cardiff - Castle Street Bus Stop
21A Castle St, Cardiff CF10 1BT, UK - E
National Museum
Gorsedd Gardens Rd, Cardiff CF10 3NP, UK - F
Cardiff Bus Stop - Westgate
206 Westgate St, Cardiff CF10, UK
Compare bus companies
Frequently asked questions about travelling from Heathrow to Cardiff by bus
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 bus ticket from Heathrow to Cardiff?
The cheapest bus tickets from Heathrow to Cardiff start from $16. The average price for this route is around $40. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
How long is the bus ride from Heathrow to Cardiff?
The average bus travel time from Heathrow to Cardiff is 3h 35m, covering a distance of 191 km. The quickest bus can get you there in 2h 30m and is operated by National Express.
Which bus companies service the Heathrow to Cardiff route?
Several major bus companies operate on this route with 69 buses available per day, including services from National Express, FlixBus.
What are the earliest and latest departure times for the bus from Heathrow to Cardiff?
The earliest bus departs from Heathrow to Cardiff at 12:10am. And the latest bus departs at 11:45pm.
What are the CO₂ emissions for the bus trip from Heathrow to Cardiff?
A bus trip from Heathrow to Cardiff generates an estimated 5 kg of CO₂, making it a highly eco-friendly travel option and a mode of travel recommended by Busbud.
What is the best bus company from Heathrow to Cardiff?
According to Busbud customers, the highest-rated bus company on this route is National Express, with an average rating of 4.2 out of 5 stars based on 29733 reviews.
Which bus company has the best Wi-Fi from Heathrow to Cardiff?
Based on Busbud reviews, the bus company National Express has the highest Wi-Fi rating with a score of 3.4.
Which bus company has the best on-time performance from Heathrow to Cardiff?
According to Busbud traveller reviews, the most punctual bus company on this route is National Express, with a punctuality rating of 4.0 out of 5 stars.
Which bus company has the cleanest buses from Heathrow to Cardiff?
According to Busbud traveller reviews, the bus company with the cleanest buses on this route is National Express, with a cleanliness rating of 4.7 out of 5 stars.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Heathrow to Cardiff was searched and found on Dec 4, 2025 with a price of $23To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Heathrow to Cardiff, as early as possible.
You can expect to pay from $23 to $116 for a bus ticket from Heathrow to Cardiff based on the last 2 days. You can expect to find the cheapest price for the trip at $23 which is on 2025-12-04.
Usually National Express will charge you higher prices for tickets closer to the departure date. To find the best prices, you should be flexible on your date of travel.
