Bus from Cardiff to London

Book your bus ticket to London from Cardiff today

Duration 3 hours 10 minutes (fastest time)

Departures Up to 19 services per day

Why travel with megabus?

Free Wi-Fi onboard*

Charging points onboard*

Free 20kg luggage allowance

Great value fares

4 million happy customers

* Subject to availability

Cardiff to London bus details

Our route M7 bus stops at 4 stops between Cardiff and London. The bus sets off from Kingsway, Stop GQ and drops you off at Victoria Coach Station


Please check your itinerary carefully as we have stops at:
• Kingsway
• Cardiff University


We have stops at:
• Marble Arch
• St Pancras
• Stratford
Victoria Coach Station

megabus tickets are available from megabus staff or from the megabus self service ticket machines at Victoria Coach Station

See the best bits of London on your next trip by hopping on our non-stop megasightseeing.com bus tour. So all you need to do is sit back, relax and soak up the sights from the comfort of the top deck.

Book now!

megabus authorised agents
Green Line Travel Shop is in Victoria
 Opening times
  Mon - Fri 0900 - 1630
  Sat - Sun 0830 - 1600
TFL Victoria Coach Station
Bus from Cardiff to London with megabus

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Frequently Asked Questions

How long does it take to travel from Cardiff to London by bus?

The fastest bus from Cardiff to London takes 3 hours 10 minutes

When is the first bus from Cardiff to London?

The earliest bus from Cardiff to London leaves at 00:10

When is the last bus from Cardiff to London?

The latest bus from Cardiff to London leaves at 19:30

How many daily bus trips are there from Cardiff to London?

Megabus runs up to 19 trips per day from Cardiff to London