Find coaches from Cardiff to Heathrow

Find affordable coach tickets from Cardiff to Heathrow with flexible options. Book your journey now

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Today14 May
from US$22
Tomorrow15 May
from US$18
Fri16 May
from US$21
Sat17 May
from US$16
Sun18 May
Mon19 May
from US$17
Tue20 May
Wed21 May

Cheap buses leaving tomorrow

One passenger / one way

  • This trip is recommended because it is the: Cheapest
    Departure time: 15 May at
    Departure city: Cardiff
    Departure location: Cardiff North Road (Friary Gardens)
    Arrival time: 15 May at
    Destination city: Heathrow
    Destination location: Heathrow Airport (LHR) Terminals 2&3
    Operated by: FlixbusFlixbus
    Vehicle: BusDuration:
  • This trip is recommended because it is the: Fastest
    Departure time: 15 May at
    Departure city: Cardiff
    Departure location: Cardiff Gate (Event services only, Coach Park)
    Arrival time: 15 May at
    Destination city: Heathrow
    Destination location: Heathrow T2 & T3
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: 15 May at
    Departure city: Cardiff
    Departure location: Sophia Gardens
    Arrival time: 15 May at
    Destination city: Heathrow
    Destination location: Heathrow T2 & T3
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: 15 May at
    Departure city: Cardiff
    Departure location: Cardiff North Road (Friary Gardens)
    Arrival time: 15 May at
    Destination city: Heathrow
    Destination location: Heathrow Airport (LHR) Terminals 2&3
    Operated by: FlixbusFlixbus
    Vehicle: BusDuration:
  • Departure time: 15 May at
    Departure city: Cardiff
    Departure location: Sophia Gardens
    Arrival time: 15 May at
    Destination city: Heathrow
    Destination location: Heathrow T2 & T3
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:

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Compare 3 ways to travel from Cardiff to Heathrow

Bus
Average priceUS$16 - US$70Average duration3h 40m
5kg CO₂e5 out of 5 stars
Train
Average priceUS$274 - US$274Average duration3h 21m
4kg CO₂e5 out of 5 stars
Most eco-friendly
Carpool
Average priceUS$13 - US$33Average duration2h 40m
8kg CO₂e4 out of 5 stars
CheapestFastest
busbud logoBusbud recommends carpooling from Cardiff to Heathrow

Among the sustainable travel choices, the carpool stands out as a good way to reach Heathrow. The journey takes about 2 hours 40 minutes and with fares starting at just US$13, it presents an excellent value for a comfortable ride.

1carpool per day
2h 40mAverage duration
US$13Cheapest ticket
8kgCO₂ emissions

Bus Cardiff to Heathrow: Trip Overview

Average ticket priceUS$30
Average bus trip duration3h 40m
Number of daily buses83
Earliest bus departure00:45
Distance118 miles
Latest bus departure23:40

Cardiff to Heathrow Bus

Busbud shows you the best bus ticket fares and bus schedules so you can easily plan and book a trip by bus from Cardiff to Heathrow.

We make sure you can find a bus service from Cardiff to Heathrow from the most reliable bus companies operating this trip.

From cheap bus tickets to more luxurious buses travelling from Cardiff to Heathrow, we offer a wide range of bus services to best suit your needs depending on how much your budget is.

Frequently asked questions on the trip Cardiff - Heathrow

  1. How much is the coach fare from Cardiff to Heathrow?

    Coach ticket prices from Cardiff to Heathrow can start as low as US$16, though the average price for this trip is US$30. The cost of tickets can fluctuate based on factors like the time of day, the company, and the class you choose. Compare the prices and amenities offered by each company on Busbud and find the best deals and offers.

  2. How long is the coach ride from Cardiff to Heathrow?

    The coach journey between Cardiff and Heathrow lasts about 3h 40m. If you're looking for the fastest trip, you can get there in just about 2h 25m. However, please keep in mind that your specific travel time may vary due to the prevailing traffic conditions along the route.

  3. At what time is the first coach from Cardiff to Heathrow?

    The first coach from Cardiff to Heathrow leaves at 00:45. Times and services may vary during weekends and holidays.

  4. How far is Heathrow from Cardiff by coach?

    The journey from Cardiff to Heathrow by coach covers an approximate distance of 118 miles (190 km).

  5. What is the best way to go from Cardiff to Heathrow without a car?

    You can reach Heathrow from Cardiff by coach, as there are regular services between the two locations. Depending on your preferences, another alternative is to explore ridesharing trips.

  6. Can you do a day trip to Heathrow?

    Absolutely, a day trip from Cardiff to Heathrow is totally possible. The round-trip by coach takes roughly 4h 50m. This means you'll have plenty of time to enjoy the day in Heathrow before returning.

Find cheapest prices for buses

Price is for a one-way ticket for one passenger and based on past searches.

Best price found
12/05
US$22
13/05
US$20
Today
US$21
15/05
US$18
16/05
US$21
17/05
US$16
18/05
US$14
19/05
US$17
busbud logoThe cheapest trip from Cardiff to Heathrow was searched and found on 18 May 2025 with a price of US$14

To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Cardiff to Heathrow as early as possible.

You can expect to pay from US$14 to US$74 for a bus ticket from Cardiff to Heathrow based on the last 2 days. You can expect to find the cheapest price for the trip at US$14, which is on 2025-05-18.

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.

About Bus Travel

Bus Travel Tips

If you're abroad, study some local language. Not only could it get you out of a pickle during your bus trip from Cardiff to Heathrow but it'll also be endearing to native speakers who will surely appreciate your effort.

Start sightseeing the minute your bus leaves the station. If you're on the night bus from Cardiff to Heathrow, get comfy and count the stars.

Taking the bus creates the smallest carbon footprint compared to other modes of transport. Not to mention that buses will allow you to discover scenic gems from Cardiff to Heathrow that are otherwise impossible to come by with a plane.

Create your own real life musical score by curating a personalized bus travel playlist - the perfect accompaniment to your bus ride from Cardiff to Heathrow.

Did you know?

The average number of passengers on a coach bus is 32 meaning that a bus could replace a minimum of at least 30 cars!

Did you know that 80% of the buses in North America are equipped with WiFi and power outlets ? And 60% of bus travellers have used their electronic device on board during 2014.

The Superbus, created by a Dutch engineer is the world's fastest bus with 250 km/h. Too bad it's only a prototype for now.

Will you be returning to Cardiff by bus?

Bus from Cardiff to Heathrow

You can also go to Heathrow by train

Train from Cardiff to Heathrow

Why choose Busbud?

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