Which bus from Cardiff to London is the cheapest?

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Compare all timetables for the bus from Cardiff to London

Here is a selection of the cheapest bus trips from the schedule from Cardiff to London from various bus operators like National Express or FlixBus for the next days.

today
$21
tomorrow
$9
Sunday
$15
Monday
$9
Tuesday
$9
Wednesday
$9
Thursday
$11

Cheapest bus trips today

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
National Express 3h 20m 3:15 AM Cardiff Coach Station 6:35 AM London Earl's Court  Economy $21
National Express 3h 35m 4:20 AM Cardiff Coach Station 7:55 AM London Earl's Court  Economy $21
National Express 3h 30m 5:30 PM Cardiff Coach Station 9:00 PM London Earl's Court  Economy $21
FlixBus 4h 0m 6:05 AM Cardiff Kingsway Bus Stop 10:05 AM London Victoria Coach Station  Economy $26
FlixBus 3h 30m 6:05 AM Cardiff Kingsway Bus Stop 9:35 AM London Hammersmith  Economy $26
  • Did you know that if you travel from Cardiff to London via Bristol, you can save more than $8? You can find the corresponding connections below.
    • National Express
      4h 0m
      0
      6:15 PM
      Cardiff
      University
      7:20 PM
      Bristol
      Coach Station
      0
      National Express
      Economy
      $7
      • Waiting Time 0h 40m
    • National Express
      2h 15m
      0
      8:00 PM
      Bristol
      Coach Station
      10:15 PM
      London
      Hammersmith
      0
      National Express
      Economy
      $7
    Travel time is 0h 40m longer, but you will save $8

Cheapest bus trips tomorrow

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
National Express 3h 40m 4:00 PM Cardiff Coach Station 7:40 PM London Earl's Court  Economy $9
National Express 4h 0m 4:00 PM Cardiff Coach Station 8:00 PM London Victoria Coach Station  Economy $9
National Express 3h 30m 4:10 PM Cardiff University 7:40 PM London Earl's Court  Economy $9
FlixBus 3h 20m 4:15 PM Cardiff Kingsway Bus Stop 7:35 PM London Hammersmith  Economy $13
FlixBus 3h 20m 5:15 PM Cardiff Kingsway Bus Stop 8:35 PM London Hammersmith  Economy $13

Cheapest bus trips Sunday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
National Express 3h 20m 3:15 AM Cardiff Coach Station 6:35 AM London Earl's Court  Economy $15
National Express 3h 35m 3:15 AM Cardiff Coach Station 6:50 AM London Victoria Coach Station  Economy $15
National Express 3h 15m 3:20 AM Cardiff University 6:35 AM London Earl's Court  Economy $15
FlixBus 3h 20m 4:15 PM Cardiff Kingsway Bus Stop 7:35 PM London Hammersmith  Economy $18
FlixBus 3h 50m 4:15 PM Cardiff Kingsway Bus Stop 8:05 PM London Victoria Coach Station  Economy $18
  • Did you know that if you travel from Cardiff to London via Bristol, you can save more than $6? You can find the corresponding connections below.
    • National Express
      3h 35m
      0
      6:15 PM
      Cardiff
      University
      7:20 PM
      Bristol
      Coach Station
      0
      National Express
      Economy
      $4
      • Waiting Time 0h 10m
    • National Express
      2h 20m
      0
      7:30 PM
      Bristol
      Coach Station
      9:50 PM
      London
      Earl's Court
      0
      National Express
      Economy
      $5
    Travel time is 0h 20m longer, but you will save $6

Cheapest bus trips Monday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
FlixBus 4h 0m 12:05 PM Cardiff Kingsway Bus Stop 4:05 PM London Hammersmith  Economy $9
FlixBus 3h 55m 1:00 PM Cardiff Kingsway Bus Stop 4:55 PM London Hammersmith  Economy $9
FlixBus 3h 20m 4:15 PM Cardiff Kingsway Bus Stop 7:35 PM London Hammersmith  Economy $9
National Express 3h 30m 1:45 PM Cardiff Coach Station 5:15 PM London Earl's Court  Economy $12
National Express 3h 45m 4:45 PM Cardiff Coach Station 8:30 PM London Earl's Court  Economy $12

Cheapest bus trips Tuesday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
National Express 3h 35m 3:15 AM Cardiff Coach Station 6:50 AM London Victoria Coach Station  Economy $9
National Express 4h 15m 3:45 PM Cardiff Coach Station 8:00 PM London Victoria Coach Station  Economy $9
National Express 3h 15m 3:20 AM Cardiff University 6:35 AM London Earl's Court  Economy $9
FlixBus 3h 30m 6:05 AM Cardiff Kingsway Bus Stop 9:35 AM London Hammersmith  Economy $9
FlixBus 3h 35m 11:00 AM Cardiff Kingsway Bus Stop 2:35 PM London Hammersmith  Economy $9

Cheapest bus trips Wednesday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
FlixBus 3h 55m 1:00 PM Cardiff Kingsway Bus Stop 4:55 PM London Hammersmith  Economy $9
FlixBus 3h 20m 4:15 PM Cardiff Kingsway Bus Stop 7:35 PM London Hammersmith  Economy $9
FlixBus 3h 20m 5:15 PM Cardiff Kingsway Bus Stop 8:35 PM London Hammersmith  Economy $9
National Express 3h 20m 3:15 AM Cardiff Coach Station 6:35 AM London Earl's Court  Economy $17
National Express 3h 30m 1:30 PM Cardiff Coach Station 5:00 PM London Earl's Court  Economy $17

Cheapest bus trips Thursday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
FlixBus 3h 35m 11:00 AM Cardiff Kingsway Bus Stop 2:35 PM London Hammersmith  Economy $11
FlixBus 3h 55m 1:00 PM Cardiff Kingsway Bus Stop 4:55 PM London Hammersmith  Economy $11
FlixBus 3h 20m 4:15 PM Cardiff Kingsway Bus Stop 7:35 PM London Hammersmith  Economy $11
National Express 3h 30m 1:30 PM Cardiff Coach Station 5:00 PM London Earl's Court  Economy $17
National Express 3h 15m 7:15 PM Cardiff Coach Station 10:30 PM London Earl's Court  Economy $17
  • Did you know that if you travel from Cardiff to London via Bristol, you can save more than $2? You can find the corresponding connections below.
    • National Express
      3h 35m
      0
      6:15 PM
      Cardiff
      University
      7:20 PM
      Bristol
      Coach Station
      0
      National Express
      Economy
      $4
      • Waiting Time 0h 10m
    • National Express
      2h 20m
      0
      7:30 PM
      Bristol
      Coach Station
      9:50 PM
      London
      Earl's Court
      0
      National Express
      Economy
      $5
    Travel time is 0h 20m longer, but you will save $2

Best Price Offer: The price for the cheapest bus from Cardiff to London is $9 on 12/6/2025. Flexible travelers save on ticket prices.


Frequency of bus connections between Cardiff and London

See here how frequent the connections between Cardiff and London are, during different times and days of the week.
Monday is the busiest day, with more than 161 daily buses from Cardiff to London. Wednesday has instead the fewest connections, with only 116 daily coaches between Cardiff and London.
The busiest time of the day is the Morning, with 409 buses from Cardiff to London, while Evening sees the fewest connections between Cardiff and London, with 88 offers.

Facts about the bus from Cardiff to London

Compare all providers like National Express and FlixBus that travel 134 times every day by bus from Cardiff to London in one click! Book your bus ticket from Cardiff to London starting from $9!

Cheapest Bus $9
Fastest Bus 2h 40m
Earliest Bus 1:40 AM
Latest Bus 11:40 PM
Daily Bus Routes 134 Ø
Distance 131.3 miles
Bus Companies National Express and FlixBus

Cheapest bus connections from Cardiff to London

Every day, 134 buses from 2 bus companies leave Cardiff for London: in the table below, you will find the cheapest prices for a bus ticket for this route, starting from 12/05/2025 and for the following days.

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday 11/30
Monday 12/01
Tuesday 12/02
Wednesday 12/03
Thursday 12/04
Friday 12/05
$21
Saturday 12/06
$13
Sunday 12/07
$15
Monday 12/08
$9
Tuesday 12/09
$22
Wednesday 12/10
$9
Thursday 12/11
$11
Friday 12/12
$21
Saturday 12/13
$26
Sunday 12/14
$15
Monday 12/15
$15
Tuesday 12/16
$9
Wednesday 12/17
$9
Thursday 12/18
$9
Friday 12/19
$21
Saturday 12/20
$28
Sunday 12/21
$21
Monday 12/22
$21
Tuesday 12/23
$29
Wednesday 12/24
$25
Thursday 12/25
$77
Friday 12/26
$28
Saturday 12/27

The cheapest time to travel from Cardiff to London

See here on which day and which time of the day you can find the cheapest bus ticket from Cardiff to London, for the next 30 days.
With a price starting from $9, Tuesday is the cheapest day for a bus from Cardiff to London. Friday instead is the most expensive day with prices starting from $21.
Afternoon is the cheapest day time for bus tickets from Cardiff to London, with $9. Evening is the most expensive time of the day with prices starting from $12.

How to save money travelling from Cardiff to London

Travel can be expensive, but it doesn't need to be! Do you want to avoid paying a terrible price for your trip? Then follow these quick steps to save money:

Book the ticket from Cardiff to London in advance! The earlier you book, the cheaper usually the price is. Also, you will be sure to have a place on the bus from Cardiff to London, compared instead if you buy it at the last moment, or directly at the station.

If you can, avoid travelling at peak times. Instead of weekend, try travelling during the week. Travelling in the evening or at night it’s also cheaper, and later buses from Cardiff to London are also emptier.

Beloved bus companies from Cardiff to London

These are the most booked bus companies between Cardiff to London from our users.

National Express from Cardiff to London

National Express

Here you will find the key facts about the National Express bus route Cardiff to London:

Cheapest Price $9
Fastest Bus 2h 40m
Earliest Bus 1:40 AM
Last Bus 11:40 PM
Daily Connections 119 Ø
Found on 12/5/2025

FlixBus from Cardiff to London

FlixBus

Here you will find the key facts about the FlixBus bus route Cardiff to London:

Cheapest Price $9
Fastest Bus 3h 20m
Earliest Bus 6:05 AM
Last Bus 5:15 PM
Daily Connections 14 Ø
Found on 12/5/2025

All bus stations and stops in Cardiff and London

In the map below, you can see where to find all bus stations in Cardiff and London.

Compare the bus with other modes of transport

The bus is often the cheapest mode of transport, while other modes like train or flight are faster. Looking for quicker alternatives to travel from Cardiff to London? Compare all modes of transports from Cardiff to London.

Service and Comfort on the bus from Cardiff to London

Want to know which seat classes are available on the buses from Cardiff to London? Or which bus companies serve the route Cardiff to London? Below you will find answers to your questions.

FAQs about the Cardiff to London bus

How much does a Cardiff London bus trip cost?

This depends on, among other things, the day and time of travel. The cheapest trip is available from $9 and takes 3h 40m to reach London. Compare offers to save money!

How much could I save by comparing buses from Cardiff to London?

This route is offered by 2 companies with a range of ticket prices between $9 and $77. Thus, we recommend booking your ticket as early as possible to make sure you get the cheapest bus ticket to London.

On average, how many connections are available from Cardiff to London each day?

Every day, the Cardiff to London bus route is served by approximately 134 connections. With our search, you can compare bus times to find the perfect trip.

How long does a bus journey from Cardiff to London take?

The fastest bus from Cardiff to London is offered by National Express and takes 2h 40m. Bus tickets for this connection cost $35. In this context, bear in mind that the journey can take longer due to traffic.

What time is the first bus from Cardiff to London?

The earliest bus arriving in London from Cardiff starts at 1:40 AM. However, information regarding departure times may differ on weekends and holidays. Simply use our search to find exact times for your planned travel date.

What time is the last bus from Cardiff to London?

The latest bus trip departing from Cardiff for London starts at 11:40 PM. Please note that departure times may differ on weekends and holidays. So just use our search to find the exact times for your planned travel date.

Which bus companies operate the Cardiff London route?

When traveling by bus from Cardiff to London, passengers can travel with National Express and FlixBus. With our search, you can compare all available bus tickets to book the one that works for you.

Is there a direct bus between Cardiff and London?

You can check all the direct connections between Cardiff and London by using our search and looking at the Changes section in our filters. These are some of the companies which offer a direct bus: National Express and FlixBus.

What can I take with me on the Cardiff to London bus route?

Depending on which provider you travel with, what you're allowed to bring with you can vary. Generally, you can take a suitcase and hand luggage with you on the Cardiff London bus route free of charge. Simply use our search to find a bus that is best suited to your needs for your planned travel date.

What equipment is available for the Cardiff London bus route?

The equipment on board differs depending on the provider. However, many long-distance buses have WiFi so you can tell your friends your exact location during the journey. To make traveling even more pleasant, air conditioning systems provide ventilation. It is best to use our search to get precise information about the equipment of the bus from Cardiff to London on your planned travel date.

Available seat classes which are offered on the bus route Cardiff to London

Economy
Economy

The cheapest option available for your ticket, it usually comes with reclinable seats and AC.

More bus routes to Cardiff and to London

Here’s an overview of the most popular bus routes to Cardiff and to London. Simply click on the connection of your choice, and you will find all the details about your bus route!
Bus Bristol - Cardiff Bus Bristol - Cardiff
Bus from Bath to Cardiff Bus from Bath to Cardiff
From Edinburgh to Cardiff bus From Edinburgh to Cardiff bus
Buses Swansea - Cardiff Buses Swansea - Cardiff
Bus to London from Edinburgh Bus to London from Edinburgh
Buses Bristol - London Buses Bristol - London
Buses Birmingham - London Buses Birmingham - London
Buses to London from Brussels Buses to London from Brussels
Popular Airport Shuttles to Cardiff and to London
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