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Cheap bus tickets from Cardiff to London Heathrow Airport

from 20,98 €

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What to expect of your trip

Fast, easy, and affordable options from Cardiff to London Heathrow Airport

Avg. trip duration

3 hr 31 mins

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Avg. distance

243 km

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Cheapest trip

From 20,98 €

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10

Avg. trips a day

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On this page

Bus stations and stops in Cardiff

Please note: your ticket will contain the most up-to-date address information.
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Available options you can find for a more comfortable trip:
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Free WiFi
Stay connected throughout your journey
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Power Outlets
Keep your devices charged on the go
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Comfortable seats
Relax with extra legroom and reclining seats
luggage
Luggage storage
Space to safely stow your belongings
toilet
Toilets
Conveniently available on every FlixBus
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Frequently asked questions

Our airport bus service from Cardiff to London Heathrow Airport starts at a price of 20,98 €. For the best deals, consider travelling during off-peak hours or weekdays. You can conveniently purchase your ticket on this website or via the app.
There's no need to print your airport transfer ticket if it was purchased online or through the app. Simply show the QR code that you received in your email or in the app to the driver before boarding the bus from Cardiff to London Heathrow Airport.
You can locate the bus stops in Cardiff and London Heathrow Airport using the map available on this page.
For airport connections from Cardiff to London Heathrow Airport, passengers can bring one carry-on (30x42x18 cm, up to 7kg) and one checked bag (50x80x30 cm, up to 20 kg) without any additional cost. If you need to bring additional or special luggage, you can review the options on this page. Please remember to also verify the luggage policy of your airline.
We offer a variety of secure payment methods for your airport transfer ticket from Cardiff to London Heathrow Airport. Options include card payment, PayPal, Google Pay, among others. You can see all the available options when you proceed to the payment section. If you encounter any difficulties, our help page is always available. You can also opt for cash payment when buying tickets onboard or at a sales point.
The cost of a child's airport transfer ticket from Cardiff to London Heathrow Airport depends on the child's age and booking time. Children under 15 usually get a discount on the adult fare. During booking, we calculate the lowest price from all available rates and discounts. If the discounted price is less than the child fare, the child passengers will pay that price. Please check our child travel and seat policy. Strollers and foldable pushchairs can be stored in the luggage compartment at no extra cost.
Yes, our airport transfers from Cardiff to London Heathrow Airport accommodate passengers with reduced mobility. We strive to make our services as comfortable and accessible as possible. Service animals are welcome aboard our airport buses. Additionally, the transportation of wheelchairs, foldable wheelchairs, and other mobility devices is free.
The earliest airport bus from Cardiff to London Heathrow Airport departs at 00:45.
The latest airport transfer service from Cardiff to London Heathrow Airport departs at 23:35.
To keep track of your airport bus from Cardiff to London Heathrow Airport, use our Real-Time Bus Tracker. Choose your bus stop to verify the arrival time and check for any potential delays.
Onboard our airport buses from Cardiff to London Heathrow Airport, passengers can enjoy extra legroom, individual outlets, restrooms, and most buses offer free Wi-Fi.
Taking the airport bus from Cardiff to London Heathrow Airport is a greener option as it helps to reduce traffic-related emissions. You can further offset your carbon emissions by selecting the CO₂ compensation option when booking your ticket.

Searching for Airport Bus Tickets from Cardiff to London Heathrow Airport?

Look no further! We've got all the necessary details for you to plan your airport transfer. The airport bus journey from Cardiff to London Heathrow Airport takes as little as 3 hours 20 minutes and can cost as little as 20,98 €. The first airport bus departs at 00:45 and the last airport bus departs at 23:35. We operate 10 airport bus services each day between Cardiff and London Heathrow Airport. When traveling with our airport bus, you can expect free Wifi, power sockets, and a guaranteed seat for your journey.
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Onboard services are subject to availability