The cheapest and fastest buses from Cardiff to London Heathrow Airport
Cheapest price
$26
Average price
$38
Fastest journey
3 h 20 m
Average duration
3 h 26 m
Buses per day
63
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 $38 if you buy it on the day, but the cheapest tickets can be found for only $26.
Of the 63 buses that leave Cardiff for London Heathrow Airport on Thu, Feb 05, 20 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Thu, Feb 05 the direct buses cover the 189 km distance in an average of 3 h 26 m but if you time it right, some buses will get you there in just 3 h 20 m .
On Thu, Feb 05 the slowest buses will take 3 h 30 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.
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FlixBusTravel 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 €13. For those with little time consider booking a train which can get you there in 2h 16m. The ticket price range depends on the travel mode: a bus costs an average of €13, and a train costs an average of €69.
Distance: 117 miles (189 km)
Compare bus with
Most popular Bus | Train |
|---|---|
€21 Average price Cheapest | €84 Average price |
3h 48m Average total duration 3h 18m Onboard + 30m Additional time* | 2h 46m Average total duration Fastest 2h 16m Onboard + 30m Additional time* |
![]() Most popular bus company | ![]() Most popular train company |
Direct Options | Direct Options |
Cardiff to London Heathrow Airport Bus Timetables
| Operator | Departure Time | Arrival Time | Duration | Departure days | Cheapest price |
|---|---|---|---|---|---|
Operator FlixBus | Departure Time 12:45AM | Arrival Time 04:25AM | Duration 3h40 | Departure days Mon, Tue, Thu, Fri, Sat, Sun | Cheapest price $22 |
Operator FlixBus | Departure Time 02:45AM | Arrival Time 06:05AM | Duration 3h20 | Departure days Mon, Tue, Thu, Fri, Sat, Sun | Cheapest price $22 |
Operator National Express | Departure Time 03:20AM | Arrival Time 09:10AM | Duration 5h50 | Departure days Everyday | Cheapest price $25 |
Operator FlixBus | Departure Time 03:45AM | Arrival Time 07:15AM | Duration 3h30 | Departure days Everyday | Cheapest price $21 |
Operator National Express | Departure Time 04:25AM | Arrival Time 10:10AM | Duration 5h45 | Departure days Mon, Fri | Cheapest price $27 |
Operator FlixBus | Departure Time 04:45AM | Arrival Time 08:35AM | Duration 3h50 | Departure days Everyday | Cheapest price $21 |
Operator National Express | Departure Time 04:55AM | Arrival Time 10:10AM | Duration 5h15 | Departure days Sat, Sun | Cheapest price $32 |
Operator National Express | Departure Time 05:20AM | Arrival Time 11:10AM | Duration 5h50 | Departure days Mon, Tue, Wed, Thu, Fri | Cheapest price $28 |
Operator National Express | Departure Time 06:00AM | Arrival Time 11:10AM | Duration 5h10 | Departure days Sat, Sun | Cheapest price $31 |
Operator National Express | Departure Time 06:05AM | Arrival Time 12:10PM | Duration 6h05 | Departure days Mon, Fri | Cheapest price $23 |
Operator FlixBus | Departure Time 06:45AM | Arrival Time 10:35AM | Duration 3h50 | Departure days Everyday | Cheapest price $21 |
Operator National Express | Departure Time 06:50AM | Arrival Time 12:40PM | Duration 5h50 | Departure days Everyday | Cheapest price $24 |
Operator National Express | Departure Time 07:20AM | Arrival Time 12:40PM | Duration 5h20 | Departure days Sat, Sun | Cheapest price $34 |
Operator National Express | Departure Time 08:08AM | Arrival Time 02:10PM | Duration 6h02 | Departure days Tue, Wed, Thu | Cheapest price $31 |
Operator National Express | Departure Time 08:38AM | Arrival Time 02:10PM | Duration 5h32 | Departure days Mon, Fri, Sat, Sun | Cheapest price $27 |
Operator FlixBus | Departure Time 08:45AM | Arrival Time 12:35PM | Duration 3h50 | Departure days Everyday | Cheapest price $22 |
Operator National Express | Departure Time 09:08AM | Arrival Time 02:20PM | Duration 5h12 | Departure days Tue, Wed, Thu | Cheapest price $34 |
Operator National Express | Departure Time 09:23AM | Arrival Time 03:10PM | Duration 5h47 | Departure days Mon, Fri, Sat, Sun | Cheapest price $30 |
Operator National Express | Departure Time 09:53AM | Arrival Time 03:15PM | Duration 5h22 | Departure days Tue, Wed, Thu | Cheapest price $32 |
Operator National Express | Departure Time 10:08AM | Arrival Time 04:10PM | Duration 6h02 | Departure days Mon, Fri, Sat, Sun | Cheapest price $30 |
Operator National Express | Departure Time 10:38AM | Arrival Time 04:10PM | Duration 5h32 | Departure days Tue, Wed, Thu | Cheapest price $23 |
Operator FlixBus | Departure Time 10:40AM | Arrival Time 02:10PM | Duration 3h30 | Departure days Everyday | Cheapest price $22 |
Operator National Express | Departure Time 10:53AM | Arrival Time 04:40PM | Duration 5h47 | Departure days Sat, Sun | Cheapest price $40 |
Operator National Express | Departure Time 11:38AM | Arrival Time 05:35PM | Duration 5h57 | Departure days Everyday | Cheapest price $29 |
Operator National Express | Departure Time 12:23PM | Arrival Time 05:40PM | Duration 5h17 | Departure days Mon, Fri, Sat, Sun | Cheapest price $28 |
Operator National Express | Departure Time 12:38PM | Arrival Time 06:20PM | Duration 5h42 | Departure days Tue, Wed, Thu | Cheapest price $27 |
Operator FlixBus | Departure Time 12:45PM | Arrival Time 04:20PM | Duration 3h35 | Departure days Everyday | Cheapest price $32 |
Operator National Express | Departure Time 01:38PM | Arrival Time 07:15PM | Duration 5h37 | Departure days Tue, Wed, Thu | Cheapest price $27 |
Operator National Express | Departure Time 01:53PM | Arrival Time 08:05PM | Duration 6h12 | Departure days Mon, Fri, Sat, Sun | Cheapest price $27 |
Operator FlixBus | Departure Time 02:50PM | Arrival Time 06:30PM | Duration 3h40 | Departure days Everyday | Cheapest price $22 |
Operator National Express | Departure Time 02:53PM | Arrival Time 08:40PM | Duration 5h47 | Departure days Mon, Sat, Sun | Cheapest price $26 |
Operator National Express | Departure Time 03:53PM | Arrival Time 10:00PM | Duration 6h07 | Departure days Tue, Wed, Thu | Cheapest price $23 |
Operator National Express | Departure Time 03:55PM | Arrival Time 09:45PM | Duration 5h50 | Departure days Mon, Fri | Cheapest price $30 |
Operator National Express | Departure Time 04:10PM | Arrival Time 09:45PM | Duration 5h35 | Departure days Sat, Sun | Cheapest price $36 |
Operator FlixBus | Departure Time 04:45PM | Arrival Time 08:50PM | Duration 4h05 | Departure days Everyday | Cheapest price $22 |
Operator National Express | Departure Time 06:15PM | Arrival Time 09:55PM | Duration 3h40 | Departure days Everyday | Cheapest price $40 |
Operator National Express | Departure Time 06:53PM | Arrival Time 11:55PM | Duration 5h02 | Departure days Mon, Fri, Sat, Sun | Cheapest price $27 |
Operator National Express | Departure Time 07:23PM | Arrival Time 12:50AM | Duration 5h27 | Departure days Tue, Wed, Thu | Cheapest price $23 |
Operator National Express | Departure Time 07:53PM | Arrival Time 12:50AM | Duration 4h57 | Departure days Mon, Fri, Sat, Sun | Cheapest price $26 |
Operator National Express | Departure Time 10:15PM | Arrival Time 06:30AM | Duration 8h15 | Departure days Everyday | Cheapest price $35 |
Operator FlixBus | Departure Time 11:35PM | Arrival Time 04:05AM | Duration 4h30 | Departure days Everyday | Cheapest price $28 |
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, February 4. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
NX509 · NX030 | 3:20 AM Cardiff, University | 5h50 | 9:10 AM London, Heathrow Airport Terminal 5 | 1 transfer | |
NX509 · NX025 | 3:20 AM Cardiff, University | 5h50 | 9:10 AM London, Heathrow Airport Terminal 5 | 1 transfer | |
NX509 · NX030 | Delayed 3:20 AM Cardiff, University | 5h30 | 2:45 PM 2:45 PMLondon, Heathrow Airport Terminals 2 & 3 | 1 transfer | |
FlixBus | 3:45 AM Cardiff, North Road (Friary Gardens) | 3h30 | 7:15 AM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
FlixBus | 3:45 AM Cardiff, North Road (Friary Gardens) | 3h50 | 7:35 AM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
FlixBus | 4:45 AM Cardiff, North Road (Friary Gardens) | 3h50 | 8:35 AM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
FlixBus | 4:45 AM Cardiff, North Road (Friary Gardens) | 3h30 | 8:15 AM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
NX507 · NX032 | On time 5:20 AM Cardiff, University | 5h50 | 11:10 AM London, Heathrow Airport Terminal 5 | 1 transfer | |
NX507 · NX032 | Delayed 5:20 AM Cardiff, University | 5h30 | 3:50 PM 3:50 PMLondon, Heathrow Airport Terminals 2 & 3 | 1 transfer | |
NX507 · NX025 | 5:20 AM Cardiff, University | 5h50 | 11:10 AM London, Heathrow Airport Terminal 5 | 1 transfer | |
FlixBus | 6:45 AM Cardiff, North Road (Friary Gardens) | 3h50 | 10:35 AM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
FlixBus | 6:45 AM Cardiff, North Road (Friary Gardens) | 3h30 | 10:15 AM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
NX509 · NX030 | 6:50 AM Cardiff, University | 5h50 | 12:40 PM London, Heathrow Airport Terminal 5 | 1 transfer | |
NX509 · NX030 | Delayed 6:50 AM Cardiff, University | 5h30 | 2:45 PM 2:45 PMLondon, Heathrow Airport Terminals 2 & 3 | 1 transfer | |
NX509 · NX403 | 6:50 AM Cardiff, University | 5h30 | 12:20 PM London, Heathrow Airport Terminals 2 & 3 | 1 transfer | |
NX509 · NX032 | On time 6:50 AM Cardiff, University | 5h50 | 12:40 PM London, Heathrow Airport Terminal 5 | 1 transfer | |
NX507 · NX035 | 8:08 AM Cardiff, University | 6h02 | 2:10 PM London, Heathrow Airport Terminal 5 | 1 transfer | |
NX507 · NX032 | Delayed 8:08 AM Cardiff, University | 5h42 | 3:50 PM 3:50 PMLondon, Heathrow Airport Terminals 2 & 3 | 1 transfer | |
NX507 · NX032 | On time 8:08 AM Cardiff, University | 6h02 | 2:10 PM London, Heathrow Airport Terminal 5 | 1 transfer | |
NX507 · NX035 | Delayed 8:08 AM Cardiff, University | 5h42 | 5:35 PM 5:35 PMLondon, Heathrow Airport Terminals 2 & 3 | 1 transfer | |
FlixBus | 8:45 AM Cardiff, North Road (Friary Gardens) | 3h50 | 12:35 PM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
FlixBus | 8:45 AM Cardiff, North Road (Friary Gardens) | 3h30 | 12:15 PM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
NX509 · NX403 | 9:08 AM Cardiff, University | 5h12 | 2:20 PM London, Heathrow Airport Terminals 2 & 3 | 1 transfer | |
NX507 · NX025 | 9:53 AM Cardiff, University | 5h22 | 3:15 PM London, Heathrow Airport Terminal 5 | 1 transfer | |
NX507 · NX444 | 9:53 AM Cardiff, University | 4h52 | 2:45 PM London, Heathrow Airport Terminals 2 & 3 | 1 transfer | |
NX509 · NX032 | On time 10:38 AM Cardiff, University | 5h32 | 4:10 PM London, Heathrow Airport Terminal 5 | 1 transfer | |
NX509 · NX035 | 10:38 AM Cardiff, University | 5h32 | 4:10 PM London, Heathrow Airport Terminal 5 | 1 transfer | |
NX509 · NX035 | Delayed 10:38 AM Cardiff, University | 5h12 | 5:35 PM 5:35 PMLondon, Heathrow Airport Terminals 2 & 3 | 1 transfer | |
NX509 · NX032 | On time 10:38 AM Cardiff, University | 5h12 | 3:50 PM London, Heathrow Airport Terminals 2 & 3 | 1 transfer | |
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 | |
NX507 · NX025 | On time 11:38 AM Cardiff, University | 5h42 | 5:20 PM London, Heathrow Airport Terminals 2 & 3 | 1 transfer | |
NX507 · NX025 | 11:38 AM Cardiff, University | 5h57 | 5:35 PM London, Heathrow Airport Terminal 5 | 1 transfer | |
NX509 · NX401 | On time 12:38 PM Cardiff, University | 5h22 | 6:00 PM London, Heathrow Airport Terminals 2 & 3 | 1 transfer | |
NX509 · NX032 | On time 12:38 PM Cardiff, University | 5h22 | 6:00 PM London, Heathrow Airport Terminals 2 & 3 | 1 transfer | |
NX509 · NX032 | On time 12:38 PM Cardiff, University | 5h42 | 6:20 PM London, Heathrow Airport Terminal 5 | 1 transfer | |
NX509 · NX035 | 12:38 PM Cardiff, University | 5h42 | 6:20 PM London, Heathrow Airport Terminal 5 | 1 transfer | |
FlixBus | 12:45 PM Cardiff, North Road (Friary Gardens) | 3h35 | 4:20 PM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
FlixBus | 12:45 PM Cardiff, North Road (Friary Gardens) | 3h55 | 4:40 PM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
NX509 · NX025 | 1:38 PM Cardiff, University | 5h37 | 7:15 PM London, Heathrow Airport Terminal 5 | 1 transfer | |
NX509 · NX403 | 1:38 PM Cardiff, University | 5h12 | 6:50 PM London, Heathrow Airport Terminals 2 & 3 | 1 transfer | |
FlixBus | 2:50 PM Cardiff, North Road (Friary Gardens) | 3h40 | 6:30 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 | |
NX507 · NX035 | On time 3:53 PM Cardiff, University | 5h47 | 9:40 PM London, Heathrow Airport Terminals 2 & 3 | 1 transfer | |
NX507 · NX032 | On time 3:53 PM Cardiff, University | 5h47 | 9:40 PM London, Heathrow Airport Terminals 2 & 3 | 1 transfer | |
NX507 · NX032 | On time 3:53 PM Cardiff, University | 6h07 | 10:00 PM London, Heathrow Airport Terminal 5 | 1 transfer | |
NX507 · NX035 | 3:53 PM Cardiff, University | 6h07 | 10:00 PM London, Heathrow Airport Terminal 5 | 1 transfer | |
FlixBus | 4:45 PM Cardiff, North Road (Friary Gardens) | 4h05 | 8:50 PM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
FlixBus | 4:45 PM Cardiff, North Road (Friary Gardens) | 3h45 | 8:30 PM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
NX216 · NX200 | On time 6:15 PM Cardiff, University | 3h40 | 9:55 PM London, Heathrow Airport Terminals 2 & 3 | 1 transfer | |
NX216 · NX200 | 6:15 PM Cardiff, University | 3h55 | 10:10 PM London, Heathrow Airport Terminal 5 | 1 transfer | |
NX509 · NX025 | 7:23 PM Cardiff, University | 5h27 | 12:50 AM London, Heathrow Airport Terminal 5 | 1 transfer | |
NX509 · NX466 | 7:23 PM Cardiff, University | 4h42 | 12:05 AM London, Heathrow Airport Terminals 2 & 3 | 1 transfer | |
NX509 · NXA40 | 7:23 PM Cardiff, University | 8h42 | 4:05 AM London, Heathrow Airport Terminal 4 | 1 transfer | |
NX509 · NX030 | 7:23 PM Cardiff, University | 5h27 | 12:50 AM London, Heathrow Airport Terminal 5 | 1 transfer | |
NX216 · NX201 | 10:15 PM Cardiff, University | 4h45 | 3:00 AM London, Heathrow Airport Terminals 2 & 3 | 1 transfer | |
NX216 · NX201 | 10:15 PM Cardiff, University | 5h05 | 3:20 AM London, Heathrow Airport Terminal 5 | 1 transfer | |
NX216 · NX202 | 10:15 PM Cardiff, University | 8h15 | 6:30 AM London, Heathrow Airport Terminal 4 | 1 transfer | |
FlixBus · FlixBus | 11:35 PM Cardiff, North Road (Friary Gardens) | 4h30 | 4:05 AM London, Heathrow Airport Terminals 2 & 3 | 1 transfer | |
FlixBus · FlixBus | 11:35 PM Cardiff, North Road (Friary Gardens) | 4h50 | 4:25 AM London, Heathrow Airport Terminal 5 | 1 transfer | |
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 | |
FlixBus | 2:45 AM Cardiff, North Road (Friary Gardens) | 3h20 | 6:05 AM London, Heathrow Airport Terminals 2 & 3 | 0 transfersDirect | |
FlixBus | 2:45 AM Cardiff, North Road (Friary Gardens) | 3h40 | 6:25 AM London, Heathrow Airport Terminal 5 | 0 transfersDirect | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
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?
- 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 64 times per day, taking around 3h 18m. Cheap bus tickets for this journey start at $16 (€13) if you book in advance.
There are 48 buses per day. The earliest bus runs at 01:45, the last at 22:35. The fastest bus covers the 117 miles (189 km) distance in 2h 40m.
Distance 117 miles (189 km) |
Average bus duration 3h 18m |
Cheapest ticket price $16 (€13) |
Buses per day 64 |
Direct buses 48 |
Fastest bus 2h 40m |
First bus 01:45 |
Last bus 22:35 |
Bus providers: National Express, Megabus, FlixBus from Cardiff to London Heathrow AirportYou can travel by bus between Cardiff to London Heathrow Airport with National Express, Megabus, FlixBus for as low as $16 (€13). 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
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