Users have shared positive experiences with the bus service, highlighting clean and comfortable buses, friendly and professional drivers, as well as timely departures. The booking process is appreciated for its ease even from afar. However, a few users noted issues such as closed offices at Terminal 5 and occasional delays in departure times or drop-off points not being reached on time.
National Express Heathrow Cardiff recent customer reviews
Very good Trip. We expected WIFI along the trip but it was only available at the bus stops.
Otherwise no complaints
4.0 out of 5 stars
Marius S.
It was comfortable, warm and on time. A great trip and well worth the money. A very good driver as well
5.0 out of 5 stars
Paul E.
A bit of chaos after the driver reversed into another bus at Heathrow but in all fairness to him organized another bus and got us on our way, thanks.
Users have shared positive experiences, highlighting the ample space available on the bus and praising the friendly and helpful driver. Additionally, they appreciated the service's reliability and punctuality, making their travel experience both safe and enjoyable.
Flixbus Heathrow Cardiff recent customer reviews
The seat I had was taken, but it didn't really matter, there was tons of space. The driver was very friendly and helpful.
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 COP 43,035. The average price for this route is around COP 76,463. 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 188 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 80 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 4.6979750000000005 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 30373 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 4.1 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.
Best price found
09-21
COP 46,358
09-22
COP 138,580
Today
COP 32,803
09-24
COP 38,561
09-25
COP 40,600
09-26
COP 38,561
09-27
COP 48,398
09-28
COP 38,725
The cheapest trip from Heathrow to Cardiff was searched and found on Sep 23, 2026 with a price of COP 32,803
To 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 COP 32,803 to COP 284,891 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 COP 38,561 which is on 2026-09-24.
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.
What's the cheapest way to go from Heathrow to Cardiff?
The Bus is the cheapest travel choice for this destination
The cheapest trip from Heathrow to Cardiff was searched and found on Sep 23, 2026 with a price of COP 32,803
The Bus is the cheapest travel choice for this destination
