The cheapest and fastest buses from Cardiff to London Heathrow Airport
Cheapest price
€17
Average price
€33
Fastest journey
2 h 50 m
Average duration
2 h 51 m
Buses per day
76
Distance
189 km
The best way to find a cheap bus ticket from Cardiff to London Heathrow Airport is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Cardiff to London Heathrow Airport will cost around €33 if you buy it on the day, but the cheapest tickets can be found for only €17.
Of the 76 buses that leave Cardiff for London Heathrow Airport on Thu, Jun 11, 64 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Thu, Jun 11 the direct buses cover the 189 km distance in an average of 2 h 51 m but if you time it right, some buses will get you there in just 2 h 50 m .
On Thu, Jun 11 the slowest buses will take 2 h 55 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.
FlixBus11:25 PM3h40Cardiff, North Road (Friary Gardens)3:05 AMLondon, Heathrow Airport Terminal 5€171One-way0 transfers
FlixBus11:25 PM3h20Cardiff, North Road (Friary Gardens)2:45 AMLondon, Heathrow Airport Terminals 2 & 3€171One-way0 transfers
FlixBus2:10 AM3h25Cardiff, North Road (Friary Gardens)5:35 AMLondon, Heathrow Airport Terminals 2 & 3€181One-way0 transfers
FlixBus1:40 AM3h05Cardiff, North Road (Friary Gardens)4:45 AMLondon, Heathrow Airport Terminals 2 & 3€181One-way0 transfers
FlixBus2:10 AM3h45Cardiff, North Road (Friary Gardens)5:55 AMLondon, Heathrow Airport Terminal 5€181One-way0 transfers
NX2013:25 AM2h50Cardiff, Sophia Gardens6:15 AMLondon, Heathrow Airport Terminals 2 & 3€301One-way0 transfers
NX20111:40 AM2h50Cardiff, Sophia Gardens2:30 PMLondon, Heathrow Airport Terminals 2 & 3€471One-way0 transfers
NX2019:25 AM2h50Cardiff, Sophia Gardens12:15 PMLondon, Heathrow Airport Terminals 2 & 3€471One-way0 transfers
NX2011:40 AM2h50Cardiff, Sophia Gardens4:30 AMLondon, Heathrow Airport Terminals 2 & 3€391One-way0 transfers
NX2012:35 PM2h55Cardiff, Sophia Gardens5:30 PMLondon, Heathrow Airport Terminals 2 & 3€471One-way0 transfers
Travel Information
Compare bus and train for Cardiff to London Heathrow Airport
Omio recommends booking the bus as it is the most popular option from Cardiff to London Heathrow Airport among Omio's users. If you are prioritising price take the bus with prices starting from €11. For those with little time consider booking a train which can get you there in 2h 14m. The ticket price range depends on the travel mode: a bus costs an average of €11, and a train costs an average of €53.
Distance: 189 km
Compare bus with
Most popular Bus | Train |
|---|---|
€19 Average price Cheapest | €95 Average price |
3h 53m Average total duration 3h 23m Onboard + 30m Additional time* | 2h 44m Average total duration Fastest 2h 14m Onboard + 30m Additional time* |
![]() Most popular bus company | ![]() Most popular train company |
Direct Options | Direct Options |
Live departures
Cardiff to London Heathrow Airport bus times
The table below shows live departures for Cardiff to London Heathrow Airport buses for today, Wednesday, June 10. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
NX202 | Delayed 11:35 AM 2:35 AMCardiff, Sophia Gardens | 3h40 | 11:25 AM 11:25 AMLondon, Heathrow Airport Terminal 5 | 0 transfersDirect | |
NX202 | 4:30 AM Cardiff, Sophia Gardens | 3h30 | 8:00 AM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
NX202 | Delayed 11:35 AM 4:30 AMCardiff, Sophia Gardens | 3h55 | 11:25 AM 11:25 AMLondon, Heathrow Airport Terminal 5 | 0 transfersDirect | |
NX202 | 4:30 AM Cardiff, Sophia Gardens | 4h10 | 8:40 AM London, Heathrow Airport Terminal 4 | 0 transfersDirect | |
FlixBus | 4:40 AM Cardiff, North Road (Friary Gardens) | 3h30 | 8:10 AM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
FlixBus | 4:40 AM Cardiff, North Road (Friary Gardens) | 3h50 | 8:30 AM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
NX201 | 5:25 AM Cardiff, Sophia Gardens | 3h00 | 8:25 AM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
NX201 | 5:25 AM Cardiff, Sophia Gardens | 3h25 | 8:50 AM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
NX202 | Delayed 11:35 AM 6:25 AMCardiff, Sophia Gardens | 4h00 | 11:25 AM 11:25 AMLondon, Heathrow Airport Terminal 5 | 0 transfersDirect | |
NX202 | 6:25 AM Cardiff, Sophia Gardens | 3h40 | 10:05 AM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
NX202 | 6:25 AM Cardiff, Sophia Gardens | 4h15 | 10:40 AM London, Heathrow Airport Terminal 4 | 0 transfersDirect | |
FlixBus | 6:45 AM Cardiff, North Road (Friary Gardens) | 3h40 | 10:25 AM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
FlixBus | 6:45 AM Cardiff, North Road (Friary Gardens) | 4h00 | 10:45 AM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
NX201 | 7:20 AM Cardiff, Sophia Gardens | 3h25 | 10:45 AM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
NX201 · NX230 | Delayed 7:20 AM Cardiff, Sophia Gardens | 3h50 | 12:10 PM 12:10 PMLondon, Heathrow Airport Terminal 4 | 1 transfer | |
NX201 | 7:20 AM Cardiff, Sophia Gardens | 3h00 | 10:20 AM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
FlixBus | 7:45 AM Cardiff, North Road (Friary Gardens) | 3h50 | 11:35 AM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
FlixBus | 7:45 AM Cardiff, North Road (Friary Gardens) | 3h30 | 11:15 AM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
NX202 | 8:30 AM Cardiff, Sophia Gardens | 3h35 | 12:05 PM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
NX202 | Delayed 11:35 AM 8:30 AMCardiff, Sophia Gardens | 3h55 | 12:25 PM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
NX202 · NX230 | Delayed 11:35 AM 8:30 AMCardiff, Sophia Gardens | 4h40 | 1:10 PM London, Heathrow Airport Terminal 4 | 1 transfer | |
FlixBus | 8:40 AM Cardiff, North Road (Friary Gardens) | 3h35 | 12:15 PM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
FlixBus | 8:40 AM Cardiff, North Road (Friary Gardens) | 3h55 | 12:35 PM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
NX201 | 9:25 AM Cardiff, Sophia Gardens | 2h50 | 12:15 PM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
NX201 | 9:25 AM Cardiff, Sophia Gardens | 3h15 | 12:40 PM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
NX202 | Delayed 11:35 AM 10:40 AMCardiff, Sophia Gardens | 3h45 | 2:25 PM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
NX202 | 10:40 AM Cardiff, Sophia Gardens | 3h25 | 2:05 PM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
FlixBus | 10:40 AM Cardiff, North Road (Friary Gardens) | 3h30 | 2:10 PM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
FlixBus | 10:40 AM Cardiff, North Road (Friary Gardens) | 3h50 | 2:30 PM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
NX201 | 11:40 AM Cardiff, Sophia Gardens | 2h50 | 2:30 PM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
NX201 | 11:40 AM Cardiff, Sophia Gardens | 3h15 | 2:55 PM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
NX201 · NX240 | 11:40 AM Cardiff, Sophia Gardens | 4h20 | 4:00 PM London, Heathrow Airport Terminal 4 | 1 transfer | |
FlixBus | 11:45 AM Cardiff, North Road (Friary Gardens) | 3h30 | 3:15 PM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
FlixBus | 11:45 AM Cardiff, North Road (Friary Gardens) | 3h50 | 3:35 PM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
NX202 | 12:35 PM Cardiff, Sophia Gardens | 3h30 | 4:05 PM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
NX202 | On time 12:35 PM Cardiff, Sophia Gardens | 3h50 | 4:25 PM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
NX202 | 12:35 PM Cardiff, Sophia Gardens | 4h05 | 4:40 PM London, Heathrow Airport Terminal 4 | 0 transfersDirect | |
FlixBus | 12:40 PM Cardiff, North Road (Friary Gardens) | 3h35 | 4:15 PM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
FlixBus | 12:40 PM Cardiff, North Road (Friary Gardens) | 3h55 | 4:35 PM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
NX201 | 2:35 PM Cardiff, Sophia Gardens | 3h15 | 5:50 PM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
NX201 | 2:35 PM Cardiff, Sophia Gardens | 2h55 | 5:30 PM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
FlixBus | 2:50 PM Cardiff, North Road (Friary Gardens) | 4h00 | 6:50 PM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
FlixBus | 2:50 PM Cardiff, North Road (Friary Gardens) | 3h40 | 6:30 PM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
NX202 | 2:55 PM Cardiff, Sophia Gardens | 4h30 | 7:25 PM London, Heathrow Airport Terminal 4 | 0 transfersDirect | |
NX202 | 2:55 PM Cardiff, Sophia Gardens | 4h00 | 6:55 PM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
NX202 | On time 2:55 PM Cardiff, Sophia Gardens | 4h15 | 7:10 PM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
NX201 | 4:30 PM Cardiff, Sophia Gardens | 3h55 | 8:25 PM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
NX201 · NXN40 | 4:30 PM Cardiff, Sophia Gardens | 7h55 | 12:25 AM London, Heathrow Airport Terminal 4 | 1 transfer | |
NX201 | 4:30 PM Cardiff, Sophia Gardens | 3h35 | 8:05 PM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
FlixBus | 4:40 PM Cardiff, North Road (Friary Gardens) | 3h40 | 8:20 PM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
FlixBus | 4:40 PM Cardiff, North Road (Friary Gardens) | 4h00 | 8:40 PM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
NX216 · NX200 | On time 6:05 PM Cardiff, Sophia Gardens | 3h50 | 9:55 PM London, Heathrow Airport Terminals 2 & 3 | 1 transfer | |
NX216 · NX200 | 6:05 PM Cardiff, Sophia Gardens | 4h05 | 10:10 PM London, Heathrow Airport Terminal 5 | 1 transfer | |
NX509 · NX030 | On time 7:15 PM Cardiff, Sophia Gardens | 5h35 | 12:50 AM London, Heathrow Airport Terminal 5 | 1 transfer | |
NX509 · NX025 | On time 7:15 PM Cardiff, Sophia Gardens | 5h35 | 12:50 AM London, Heathrow Airport Terminal 5 | 1 transfer | |
NX509 · NX030 | On time 7:15 PM Cardiff, Sophia Gardens | 5h20 | 12:35 AM London, Heathrow Airport Terminals 2 & 3 | 1 transfer | |
NX509 · NX025 | On time 7:15 PM Cardiff, Sophia Gardens | 5h20 | 12:35 AM London, Heathrow Airport Terminals 2 & 3 | 1 transfer | |
FlixBus | 11:25 PM Cardiff, North Road (Friary Gardens) | 3h40 | 3:05 AM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
FlixBus | 11:25 PM Cardiff, North Road (Friary Gardens) | 3h20 | 2:45 AM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
NX201 · NXA40 | 11:40 PM Cardiff, Sophia Gardens | 4h25 | 4:05 AM London, Heathrow Airport Terminal 4 | 1 transfer | |
NX201 | 11:40 PM Cardiff, Sophia Gardens | 3h20 | 3:00 AM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
NX201 | 11:40 PM Cardiff, Sophia Gardens | 3h40 | 3:20 AM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
| Thursday, June 11 | |||||
FlixBus | 12:45 AM Cardiff, North Road (Friary Gardens) | 3h40 | 4:25 AM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
FlixBus | 12:45 AM Cardiff, North Road (Friary Gardens) | 3h20 | 4:05 AM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
NX201 | 1:40 AM Cardiff, Sophia Gardens | 2h50 | 4:30 AM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
NX201 | 1:40 AM Cardiff, Sophia Gardens | 3h15 | 4:55 AM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
NX201 · NXN40 | 1:40 AM Cardiff, Sophia Gardens | 3h45 | 5:25 AM London, Heathrow Airport Terminal 4 | 1 transfer | |
FlixBus | 1:40 AM Cardiff, North Road (Friary Gardens) | 3h05 | 4:45 AM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
FlixBus | 2:10 AM Cardiff, North Road (Friary Gardens) | 3h25 | 5:35 AM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
FlixBus | 2:10 AM Cardiff, North Road (Friary Gardens) | 3h45 | 5:55 AM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
NX202 | 2:35 AM Cardiff, Sophia Gardens | 3h25 | 6:00 AM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
NX202 | 2:35 AM Cardiff, Sophia Gardens | 3h40 | 6:15 AM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
NX202 | 2:35 AM Cardiff, Sophia Gardens | 3h55 | 6:30 AM London, Heathrow Airport Terminal 4 | 0 transfersDirect | |
FlixBus | 3:10 AM Cardiff, North Road (Friary Gardens) | 3h45 | 6:55 AM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
FlixBus | 3:10 AM Cardiff, North Road (Friary Gardens) | 3h25 | 6:35 AM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
NX201 | 3:25 AM Cardiff, Sophia Gardens | 2h50 | 6:15 AM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
NX201 | 3:25 AM Cardiff, Sophia Gardens | 3h15 | 6:40 AM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
This is the last bus of the day. | |||||
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Compare prices and tickets Cardiff to London Heathrow Airport by bus or train
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Why should you book Cardiff to London Heathrow Airport buses with Omio?
Why book with Omio vs National Express?
- Compare with other providers: On Omio, you can not only buy tickets for National Express, but also compare tickets for the likes of FlixBus or Megabus to find the best option for your trip from Cardiff to London Heathrow Airport.
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare National Express with all available travel options, which are bus and train to ensure you get the best deal for traveling from Cardiff to London Heathrow Airport.
Why book with Omio over Wanderu or Trainline?
- Compare with other providers: On Omio, you can also compare tickets for the likes of FlixBus or Megabus to find the best option for your trip from Cardiff to London Heathrow Airport.
- Multiple modes of transport: Omio allows you to compare travel options including bus and train to find the ideal travel option from Cardiff to London Heathrow Airport.
Journey information
Overview: Bus from Cardiff to London Heathrow Airport
Buses from Cardiff to London Heathrow Airport run on average 70 times per day, taking around 3h 23m. Cheap bus tickets for this journey start at €11 if you book in advance.
There are 53 buses per day. The earliest bus runs at 00:40, the last at 23:45. The fastest bus covers the 189 km distance in 3h 5m.
Distance 189 km |
Average bus duration 3h 23m |
Cheapest ticket price €11 |
Buses per day 70 |
Direct buses 53 |
Fastest bus 3h 5m |
First bus 12:40 AM |
Last bus 11:45 PM |
Cheapest Month Dec |
Cheapest Day Wed |
High Season Oct - Dec |
Low Season Apr - Jun |
Busiest Day Tue |
Least Busy Day Thu |
Bus providers: National Express, FlixBus, Megabus from Cardiff to London Heathrow AirportYou can travel by bus between Cardiff to London Heathrow Airport with National Express, FlixBus, Megabus for as low as €11. When you search for schedules and tickets, Omio will show you the best journey
FlixBus
National Express
Megabus
FAQs: Bus from Cardiff to London Heathrow Airport
Find answers to the most common questions about traveling from Cardiff to London Heathrow Airport by bus. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest bus, the cheapest option, or tips for making the most of your visit at London Heathrow Airport, this guide helps you travel smarter and with confidence.

- Megabus
- Megabus is ADA-compliant and provides assistance to customers with disabilities, including those using wheelchairs or mobility scooters, and those with service animals.
- National Express
- Assistance
- Priority seating
- Accessible toilets.
- FlixBus
- Assistance
- Priority boarding
- Wheelchair-accessible buses.
- Megabus
- Megabus reservations cannot be canceled or refunded, but they can be traded in for another journey up to 3 hours before your original scheduled departure for a fee.
- National Express
- You can cancel your ticket up to 24 hours before departure for a refund minus a cancellation fee. Changes can be up to 24 hours before departure for a fee.
- FlixBus
- You can cancel your ticket up to 15 minutes before departure and receive a voucher for future travel. Refund requests for delays over 120 minutes are possible.
- Megabus
- One piece of luggage is included per passenger reservation. For guidance, a piece of luggage must not exceed 62 inches (length + width + height) and should not weigh more than 50 pounds (23kg).
- National Express
- Two medium-sized suitcases up to 20kg each and one small piece of hand luggage.
- FlixBus
- One carry-on bag up to 7kg (42x30x18 cm) and one checked bag up to 20kg (80x50x30 cm).
- Megabus
- Additional luggage can be purchased by buying an additional travel ticket in advance or by adding up to two additional pieces when booking for a fee.
- National Express
- 10€ per additional bag.
- FlixBus
- Additional luggage can be purchased for a fee.
- FlixBus
- Small pets in carriers allowed
- guide dogs travel for free.
popular bus stations
Popular bus stations from Cardiff to London Heathrow Airport
Most popular bus connections from Cardiff
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