Bus from London to Cardiff: Tickets & Timetables

Next bus departures

Next departures from London to Cardiff on 18 March
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
National ExpressBus
Victoria Coach Station
Sophia GardensCheapest
National ExpressBus
Victoria Coach Station
Cardiff (Gabalfa Interchange, o/s Roberts Optometrists)Fastest
National ExpressBus
Victoria Coach Station
Sophia GardensNo tags
FlixbusBus
Victoria Coach Station
Cardiff North Road (Friary Gardens)No tags
National ExpressBus
Victoria Coach Station
Sophia GardensNo tags

Last refresh of the prices: Today at 09:55 GMT.

Compare 2 ways to travel from London to Cardiff

We recommend taking the bus

Among the sustainable travel choices, the Bus stands out as a good way to reach Cardiff. The journey takes about 3 hours 40 minutes and with fares starting at just £9, it presents an excellent value for a comfortable ride.

113bus per day
3h 40mAverage duration
131 milesDistance
5kgCO₂ emissions
Average price£9 - £74Average duration3h 40m
5kg CO₂e
Average price£34 - £248Average duration1h 52m
5kg CO₂e

Frequently asked questions about travelling by bus from London to Cardiff

Please note that timetables, routes, or operator details shown here may be updated or vary at the time of your journey.

  1. How much is the bus ticket from London to Cardiff?

    The cheapest coach tickets from London to Cardiff start from £9. The average price for this route is around £12. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.

  2. How long is the bus journey from London to Cardiff?

    The average bus journey time from London to Cardiff is 3h 40m, covering a distance of 131 miles. The fastest bus can take you there in 2h 55m and is operated by National Express.

  3. Which bus companies service the London to Cardiff route?

    Several major bus companies operate on this route with 113 buses available per day, including services from National Express, FlixBus, Megabus UK.

  4. What is the earliest and latest departure time for the bus from London to Cardiff?

    The earliest bus departs from London to Cardiff at 00:30. And the latest bus departs at 23:59.

  5. What are the CO₂ emissions for the bus trip from London to Cardiff?

    A bus journey from London to Cardiff produces an estimated 5 kg of CO₂, making it a highly eco-friendly choice and a mode of travel recommended by Busbud.

  6. Which is the best bus company from London 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 29875 reviews.

  7. Which company has the best Wi-Fi from London to Cardiff?

    Based on Busbud reviews, the bus company National Express has the best Wi-Fi rating with a score of 3.4.

  8. Which bus company offers the most punctual service from London 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.

  9. Which bus company has the cleanest buses from London 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
15/03
£14
16/03
£7
Today
£7
18/03
£7
19/03
£7
20/03
£7
21/03
£6
22/03
£7
busbud logoThe cheapest trip from London to Cardiff was searched and found on 21 Mar 2026 with a price of £6

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

You can expect to pay from £6 to £69 for a bus ticket from London to Cardiff based on the last 2 days. You can expect to find the cheapest price for the trip at £6, which is on 2026-03-21.

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 London to Cardiff?

busbud logoThe Bus is the cheapest travel choice for this destination

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