Bus from Cardiff to London
Book your bus ticket to London from Cardiff today
Duration 3 hours 35 minutes (fastest time)
Departures Up to 16 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 M10 bus stops at 4 stops between Cardiff and London. The bus sets off from North Road, Friary Gardens and drops you off at Victoria Coach Station
megabus tickets are available from megabus staff or from the megabus self service ticket machines at Victoria Coach Station
megabus authorised agents
Green Line Travel Shop is in Victoria
Mon - Fri 0900 - 1630
Sat - Sun 0830 - 1600
TFL Victoria Coach Station
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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 35 minutes
When is the first bus from Cardiff to London?
The earliest bus from Cardiff to London leaves at 01:00
When is the last bus from Cardiff to London?
The latest bus from Cardiff to London leaves at 18:10
How many daily bus trips are there from Cardiff to London?
Megabus runs up to 16 trips per day from Cardiff to London