How much is the bus ticket from Cardiff to London?

The cheapest bus tickets from Cardiff to London start from $17. The average price for this route is around $21. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.

How long is the bus ride from Cardiff to London?

The average bus travel time from Cardiff to London is 3h 50m, covering a distance of 211 km. The quickest bus can get you there in 2h 40m and is operated by National Express .

Which bus companies service the Cardiff to London route?

Several major bus companies operate on this route with 129 buses available per day, including services from National Express , FlixBus .

What are the earliest and latest departure times for the bus from Cardiff to London?

The earliest bus departs from Cardiff to London at 12:45am. And the latest bus departs at 11:40pm.

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

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

What is the best bus company from Cardiff to London?

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 29843 reviews.

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

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

Which bus company has the best on-time performance from Cardiff to London?

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.

Which bus company has the cleanest buses from Cardiff to London?

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.

Bus Cardiff to London from $12 | Refundable Tickets

Next bus departures

Next departures for Cardiff to London on January 15
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	4:15pm	Cardiff North Road (Friary Gardens)	3h 50m	8:05pm	Victoria Coach Station	Cheapest
Bus	9:58am	Cardiff (Gabalfa Interchange, o/s Clinic)	3h 2m	1:00pm	London (Earl's Court)	Fastest
Bus	1:40am	Sophia Gardens	4h 10m	5:50am	Victoria Coach Station	No tags
Bus	12:45am	Cardiff North Road (Friary Gardens)	4h 45m	5:30am	Gatwick Airport (South Terminal)	No tags
Bus	1:40am	Sophia Gardens	4h 10m	5:50am	Victoria Coach Station	No tags

Next departures for Cardiff to London on January 16
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	3:15am	Sophia Gardens	3h 35m	6:50am	Victoria Coach Station	Cheapest
Bus	11:43am	Cardiff (Gabalfa Interchange, o/s Clinic)	3h 2m	2:45pm	London (Earl's Court)	Fastest
Bus	1:40am	Sophia Gardens	4h 10m	5:50am	Victoria Coach Station	No tags
Bus	12:45am	Cardiff North Road (Friary Gardens)	4h 45m	5:30am	Gatwick Airport (South Terminal)	No tags
Bus	1:40am	Sophia Gardens	4h 10m	5:50am	Victoria Coach Station	No tags

Next departures for Cardiff to London on January 17
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	5:30pm	Cardiff Coach Station - Sophia Gardens	3h 50m	9:20pm	Victoria Coach Station	Cheapest
Bus	6:55am	Cardiff (Gabalfa Interchange, o/s Clinic)	2h 40m	9:35am	Hammersmith	Fastest
Bus	1:50am	Sophia Gardens	4h	5:50am	Victoria Coach Station	No tags
Bus	12:45am	Cardiff North Road (Friary Gardens)	4h 45m	5:30am	Gatwick Airport (South Terminal)	No tags
Bus	1:50am	Sophia Gardens	4h	5:50am	Victoria Coach Station	No tags

Next departures for Cardiff to London on January 18
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	6:05am	Cardiff North Road (Friary Gardens)	4h	10:05am	Victoria Coach Station	Cheapest
Bus	6:55am	Cardiff (Gabalfa Interchange, o/s Clinic)	2h 40m	9:35am	Hammersmith	Fastest
Bus	1:50am	Sophia Gardens	4h	5:50am	Victoria Coach Station	No tags
Bus	12:45am	Cardiff North Road (Friary Gardens)	4h 45m	5:30am	Gatwick Airport (South Terminal)	No tags
Bus	1:50am	Sophia Gardens	4h	5:50am	Victoria Coach Station	No tags

Next departures for Cardiff to London on January 19
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	6:05am	Cardiff North Road (Friary Gardens)	4h	10:05am	Victoria Coach Station	Cheapest
Bus	12:28pm	Cardiff (Gabalfa Interchange, o/s Clinic)	2h 57m	3:25pm	London (Earl's Court)	Fastest
Bus	1:40am	Sophia Gardens	4h 10m	5:50am	Victoria Coach Station	No tags
Bus	12:45am	Cardiff North Road (Friary Gardens)	4h 45m	5:30am	Gatwick Airport (South Terminal)	No tags
Bus	1:40am	Sophia Gardens	4h 10m	5:50am	Victoria Coach Station	No tags

Next departures for Cardiff to London on January 20
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	6:05am	Cardiff North Road (Friary Gardens)	4h	10:05am	Victoria Coach Station	Cheapest
Bus	9:58am	Cardiff (Gabalfa Interchange, o/s Clinic)	3h 2m	1:00pm	London (Earl's Court)	Fastest
Bus	1:40am	Sophia Gardens	4h 10m	5:50am	Victoria Coach Station	No tags
Bus	12:45am	Cardiff North Road (Friary Gardens)	4h 45m	5:30am	Gatwick Airport (South Terminal)	No tags
Bus	1:40am	Sophia Gardens	4h 10m	5:50am	Victoria Coach Station	No tags

Next departures for Cardiff to London on January 21
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	3:45pm	Sophia Gardens	4h 15m	8:00pm	Victoria Coach Station	Cheapest
Bus	9:58am	Cardiff (Gabalfa Interchange, o/s Clinic)	3h 2m	1:00pm	London (Earl's Court)	Fastest
Bus	1:40am	Sophia Gardens	4h 10m	5:50am	Victoria Coach Station	No tags
Bus	12:45am	Cardiff North Road (Friary Gardens)	4h 45m	5:30am	Gatwick Airport (South Terminal)	No tags
Bus	1:40am	Sophia Gardens	4h 10m	5:50am	Victoria Coach Station	No tags

Last refresh of the prices: Yesterday at 10:56 PM GMT.

Compare 3 ways to go from Cardiff to London

We recommend carpooling

Among the sustainable travel choices, the Carpool stands out as a good way to reach London. The journey takes about 2 hours 30 minutes, and with fares starting at just $18, it presents an excellent value for a comfortable ride.

1carpool per day

2h 30mAverage Duration

212 kmDistance

9kgCO₂ emissions

	Average Price	Average Duration	CO₂ emissions
Bus	Average Price$17 - $139	Average Duration3h 50m	CO₂ emissions 5kg CO₂e
Train	Average Price$62 - $450	Average Duration1h 56m	CO₂ emissions 5kg CO₂e
Carpool	Average Price$18 - $49	Average Duration2h 30m	CO₂ emissions 9kg CO₂e

Where are the popular stops in Cardiff and London?

Stops in Cardiff

A
Cardiff University (o/s Cathays Rail Stn)
50 Park Place (Bus Stop, o/s Cathays Rail Stn), Cardiff CF10
Map
B
Cardiff Coach Station - Sophia Gardens
22 Cathedral Rd, Cardiff CF11 9LJ, UK
Visit page Map
C
Sophia Gardens
2 Sophia Cl, Cardiff CF11, UK
Visit page Map
D
Cardiff - Castle Street Bus Stop
21A Castle St, Cardiff CF10 1BT, UK
Map
E
National Museum
Gorsedd Gardens Rd, Cardiff CF10 3NP, UK
Map
F
Cardiff Bus Stop - Westgate
206 Westgate St, Cardiff CF10, UK
Map

Stops in London

A
Stop SC - Hammersmith Bridge Rd.
Hammersmith, Stop SC, London W6 9PJ, UK
Visit page Map
B
Victoria Coach Station
164 Buckingham Palace Rd, Belgravia, London SW1W 9TP, UK
Visit page Map
C
Finchley Road
235 Finchley Rd, London NW3, UK
Visit page Map
D
Earl's Court
76-77 A4, Kensington, London SW5, UK
Map
E
London Elephant & Castle
26 New Kent Rd, London SE1 6TJ, UK
Visit page Map
F
New Cross Gate
263 New Cross Rd, London SE14 5PL, UK
Visit page Map

Compare bus companies

National Express

4/529,849 reviews

Staff4.7

Timeliness4.1

Cleanliness4.7

Wifi3.4

National Express receives high praise for its comfortable and timely service, with many users highlighting the helpfulness and politeness of the drivers. The journeys are described as smooth, efficient, and offering great value for money. However, some travelers experienced difficulties locating pickup points in Cardiff or had concerns about safety at certain stops late at night.

National Express Cardiff London recent customer reviews

We were a group (family) of three and came early - but although we were first in line - they didn't direct us to the right bus, so we didn't get to sit together

Stephanie J.

July 12, 2025

Nationak express was good... but driver had no record of my booking or pick up destination.

Sarah K.

December 20, 2024

The bus was dirty. USB port for phone wasn't working. We did arrive in London on schedule after a late pickup in Cardiff

Wendy R.

June 6, 2024

FlixBus

3.5/512,049 reviews

Staff4.1

Timeliness3.9

Cleanliness4.1

Wifi2.7

According to the users, the bus service was on time and provided a comfortable and clean environment. However, there were reports of confusion with passengers mistakenly pressing the SOS button in place of flushing in the toilet. Additionally, one user mentioned leaving at an early stop which affected their subsequent travel plans.

FlixBus Cardiff London recent customer reviews

Not good, the coach driver had to keep stopping because people using the toilet kept pressing the SOS button instead of the flush. I left the bus on an early stop and the arrival time I was to late for my train

Susan K.

July 3, 2024

On time, comfy clean bus, could not fault anything.

Nicola M.

July 25, 2025

Not enjoyed I wasn’t having seat in the bus I came standing

Arslan Q.

June 26, 2025

GB bus companies:FlixBus, BlaBlaCar Bus, Greyhound, ALSA, Intercape, Trenitalia, Big Sky

Frequently asked questions about travelling from Cardiff to London by bus

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

How much is the bus ticket from Cardiff to London?
The cheapest bus tickets from Cardiff to London start from $17. The average price for this route is around $21. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
How long is the bus ride from Cardiff to London?
The average bus travel time from Cardiff to London is 3h 50m, covering a distance of 211 km. The quickest bus can get you there in 2h 40m and is operated by National Express.
Which bus companies service the Cardiff to London route?
Several major bus companies operate on this route with 129 buses available per day, including services from National Express, FlixBus.
What are the earliest and latest departure times for the bus from Cardiff to London?
The earliest bus departs from Cardiff to London at 12:45am. And the latest bus departs at 11:40pm.
What are the CO₂ emissions for the bus trip from Cardiff to London?
A bus trip from Cardiff to London generates an estimated 5 kg of CO₂, making it a highly eco-friendly travel option and a mode of travel recommended by Busbud.
What is the best bus company from Cardiff to London?
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 29843 reviews.
Which bus company has the best Wi-Fi from Cardiff to London?
Based on Busbud reviews, the bus company National Express has the highest Wi-Fi rating with a score of 3.4.
Which bus company has the best on-time performance from Cardiff to London?
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.
Which bus company has the cleanest buses from Cardiff to London?
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

01-13

$32

01-14

$49

Today

$20

01-16

$22

01-17

$12

01-18

$14

01-19

$12

01-20

$12

The cheapest trip from Cardiff to London was searched and found on Jan 17, 2026 with a price of $12

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

You can expect to pay from $12 to $118 for a bus ticket from Cardiff to London based on the last 2 days. You can expect to find the cheapest price for the trip at $12 which is on 2026-01-17.

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 Cardiff to London?

The Bus is the cheapest travel choice for this destination

Vehicle Type	Travel time	Avg Price	Daily Departures
Vehicle TypeBus	Travel time3h 50m	Avg Price$21	Daily Departures129
Vehicle TypeTrain	Travel time1h 56m	Avg Price$126	Daily Departures15
Vehicle TypeCarpool	Travel time2h 30m	Avg Price$31	Daily Departures1