Bus Milton Keynes to Cardiff: Compare prices and save money

Compare all timetables for the bus from Milton Keynes to Cardiff

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

today

tomorrow

Monday

$21

Tuesday

$17

Wednesday

$20

Thursday

$19

Friday

$17

Cheapest bus trips Monday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
National Express	6h 14m	5:45 PM	Milton Keynes	Coachway	11:59 PM	Cardiff	Coach Station	Economy	$21	A Bus from National Express goes from Coachway, Milton Keynes (United Kingdom) at 7/27/2026 5:45:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 7/27/2026 11:59:00 PM. 50 Economy ticket for $21 per person are available. Travel duration is 6h 14m
National Express	5h 30m	9:25 PM	Milton Keynes	Coachway	2:55 AM	Cardiff	Coach Station	Economy	$21	A Bus from National Express goes from Coachway, Milton Keynes (United Kingdom) at 7/27/2026 9:25:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 7/28/2026 2:55:00 AM. 50 Economy ticket for $21 per person are available. Travel duration is 5h 30m
National Express	6h 25m	6:45 AM	Milton Keynes	Coachway	1:10 PM	Cardiff	Coach Station	Economy	$23	A Bus from National Express goes from Coachway, Milton Keynes (United Kingdom) at 7/27/2026 6:45:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 7/27/2026 1:10:00 PM. 50 Economy ticket for $23 per person are available. Travel duration is 6h 25m
National Express	5h 50m	12:10 PM	Milton Keynes	Coachway	6:00 PM	Cardiff	Coach Station	Economy	$24	A Bus from National Express goes from Coachway, Milton Keynes (United Kingdom) at 7/27/2026 12:10:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 7/27/2026 6:00:00 PM. 50 Economy ticket for $24 per person are available. Travel duration is 5h 50m
National Express	6h 35m	12:50 PM	Milton Keynes	Coachway	7:25 PM	Cardiff	Coach Station	Economy	$26	A Bus from National Express goes from Coachway, Milton Keynes (United Kingdom) at 7/27/2026 12:50:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 7/27/2026 7:25:00 PM. 50 Economy ticket for $26 per person are available. Travel duration is 6h 35m

Cheapest bus trips Tuesday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
National Express	6h 25m	9:55 AM	Milton Keynes	Coachway	4:20 PM	Cardiff	Coach Station	Economy	$17	A Bus from National Express goes from Coachway, Milton Keynes (United Kingdom) at 7/28/2026 9:55:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 7/28/2026 4:20:00 PM. 50 Economy ticket for $17 per person are available. Travel duration is 6h 25m
FlixBus	6h 50m	6:50 AM	Milton Keynes	Central Station	1:40 PM	Cardiff	Kingsway Bus Stop	Economy	$21	A Bus from FlixBus goes from Central Station, Milton Keynes (United Kingdom) at 7/28/2026 6:50:00 AM to Kingsway Bus Stop, Cardiff (United Kingdom) arriving at 7/28/2026 1:40:00 PM. 50 Economy ticket for $21 per person are available. Travel duration is 6h 50m
FlixBus	8h 10m	8:20 AM	Milton Keynes	Central Station	4:30 PM	Cardiff	Kingsway Bus Stop	Economy	$21	A Bus from FlixBus goes from Central Station, Milton Keynes (United Kingdom) at 7/28/2026 8:20:00 AM to Kingsway Bus Stop, Cardiff (United Kingdom) arriving at 7/28/2026 4:30:00 PM. 50 Economy ticket for $21 per person are available. Travel duration is 8h 10m
FlixBus	7h 55m	10:40 AM	Milton Keynes	Central Station	6:35 PM	Cardiff	Kingsway Bus Stop	Economy	$21	A Bus from FlixBus goes from Central Station, Milton Keynes (United Kingdom) at 7/28/2026 10:40:00 AM to Kingsway Bus Stop, Cardiff (United Kingdom) arriving at 7/28/2026 6:35:00 PM. 50 Economy ticket for $21 per person are available. Travel duration is 7h 55m
National Express	5h 50m	9:25 PM	Milton Keynes	Coachway	3:15 AM	Cardiff	Coach Station	Economy	$23	A Bus from National Express goes from Coachway, Milton Keynes (United Kingdom) at 7/28/2026 9:25:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 7/29/2026 3:15:00 AM. 50 Economy ticket for $23 per person are available. Travel duration is 5h 50m

Cheapest bus trips Wednesday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
National Express	7h 15m	6:45 AM	Milton Keynes	Coachway	2:00 PM	Cardiff	Coach Station	Economy	$20	A Bus from National Express goes from Coachway, Milton Keynes (United Kingdom) at 7/29/2026 6:45:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 7/29/2026 2:00:00 PM. 50 Economy ticket for $20 per person are available. Travel duration is 7h 15m
National Express	5h 50m	9:25 PM	Milton Keynes	Coachway	3:15 AM	Cardiff	Coach Station	Economy	$21	A Bus from National Express goes from Coachway, Milton Keynes (United Kingdom) at 7/29/2026 9:25:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 7/30/2026 3:15:00 AM. 50 Economy ticket for $21 per person are available. Travel duration is 5h 50m
National Express	5h 50m	12:10 PM	Milton Keynes	Coachway	6:00 PM	Cardiff	Coach Station	Economy	$24	A Bus from National Express goes from Coachway, Milton Keynes (United Kingdom) at 7/29/2026 12:10:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 7/29/2026 6:00:00 PM. 50 Economy ticket for $24 per person are available. Travel duration is 5h 50m
National Express	4h 55m	3:15 PM	Milton Keynes	Coachway	8:10 PM	Cardiff	Coach Station	Economy	$24	A Bus from National Express goes from Coachway, Milton Keynes (United Kingdom) at 7/29/2026 3:15:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 7/29/2026 8:10:00 PM. 50 Economy ticket for $24 per person are available. Travel duration is 4h 55m
National Express	5h 45m	8:55 AM	Milton Keynes	Coachway	2:40 PM	Cardiff	Coach Station	Economy	$25	A Bus from National Express goes from Coachway, Milton Keynes (United Kingdom) at 7/29/2026 8:55:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 7/29/2026 2:40:00 PM. 50 Economy ticket for $25 per person are available. Travel duration is 5h 45m

Cheapest bus trips Thursday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
National Express	7h 15m	6:45 AM	Milton Keynes	Coachway	2:00 PM	Cardiff	Coach Station	Economy	$19	A Bus from National Express goes from Coachway, Milton Keynes (United Kingdom) at 7/30/2026 6:45:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 7/30/2026 2:00:00 PM. 50 Economy ticket for $19 per person are available. Travel duration is 7h 15m
National Express	6h 25m	9:55 AM	Milton Keynes	Coachway	4:20 PM	Cardiff	Coach Station	Economy	$22	A Bus from National Express goes from Coachway, Milton Keynes (United Kingdom) at 7/30/2026 9:55:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 7/30/2026 4:20:00 PM. 50 Economy ticket for $22 per person are available. Travel duration is 6h 25m
National Express	5h 50m	9:25 PM	Milton Keynes	Coachway	3:15 AM	Cardiff	Coach Station	Economy	$23	A Bus from National Express goes from Coachway, Milton Keynes (United Kingdom) at 7/30/2026 9:25:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 7/31/2026 3:15:00 AM. 50 Economy ticket for $23 per person are available. Travel duration is 5h 50m
National Express	5h 45m	8:55 AM	Milton Keynes	Coachway	2:40 PM	Cardiff	Coach Station	Economy	$25	A Bus from National Express goes from Coachway, Milton Keynes (United Kingdom) at 7/30/2026 8:55:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 7/30/2026 2:40:00 PM. 50 Economy ticket for $25 per person are available. Travel duration is 5h 45m
National Express	5h 50m	12:10 PM	Milton Keynes	Coachway	6:00 PM	Cardiff	Coach Station	Economy	$25	A Bus from National Express goes from Coachway, Milton Keynes (United Kingdom) at 7/30/2026 12:10:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 7/30/2026 6:00:00 PM. 50 Economy ticket for $25 per person are available. Travel duration is 5h 50m

Cheapest bus trips Friday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
National Express	5h 20m	10:25 PM	Milton Keynes	Coachway	3:45 AM	Cardiff	Coach Station	Economy	$17	A Bus from National Express goes from Coachway, Milton Keynes (United Kingdom) at 7/31/2026 10:25:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/1/2026 3:45:00 AM. 50 Economy ticket for $17 per person are available. Travel duration is 5h 20m
National Express	6h 15m	5:20 PM	Milton Keynes	Coachway	11:35 PM	Cardiff	Coach Station	Economy	$19	A Bus from National Express goes from Coachway, Milton Keynes (United Kingdom) at 7/31/2026 5:20:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 7/31/2026 11:35:00 PM. 50 Economy ticket for $19 per person are available. Travel duration is 6h 15m
National Express	5h 40m	8:15 PM	Milton Keynes	Coachway	1:55 AM	Cardiff	Coach Station	Economy	$22	A Bus from National Express goes from Coachway, Milton Keynes (United Kingdom) at 7/31/2026 8:15:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/1/2026 1:55:00 AM. 50 Economy ticket for $22 per person are available. Travel duration is 5h 40m
National Express	6h 30m	8:55 AM	Milton Keynes	Coachway	3:25 PM	Cardiff	Coach Station	Economy	$23	A Bus from National Express goes from Coachway, Milton Keynes (United Kingdom) at 7/31/2026 8:55:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 7/31/2026 3:25:00 PM. 50 Economy ticket for $23 per person are available. Travel duration is 6h 30m
National Express	5h 30m	9:25 PM	Milton Keynes	Coachway	2:55 AM	Cardiff	Coach Station	Economy	$23	A Bus from National Express goes from Coachway, Milton Keynes (United Kingdom) at 7/31/2026 9:25:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/1/2026 2:55:00 AM. 50 Economy ticket for $23 per person are available. Travel duration is 5h 30m

Frequency of bus connections between Milton Keynes and Cardiff

See here how frequent the connections between Milton Keynes and Cardiff are, during different times and days of the week.

Tuesday is the busiest day, with more than 22 daily buses from Milton Keynes to Cardiff. Wednesday has instead the fewest connections, with only 16 daily coaches between Milton Keynes and Cardiff.

The busiest time of the day is the Afternoon, with 31 buses from Milton Keynes to Cardiff, while Night sees the fewest connections between Milton Keynes and Cardiff, with 12 offers.

Test cheapest views

The cheapest bus for the 7/31/2026 costs just $17, from National Express

Facts about the bus from Milton Keynes to Cardiff

Compare all providers like National Express and FlixBus that travel 18 times every day by bus from Milton Keynes to Cardiff in one click! Book your bus ticket from Milton Keynes to Cardiff starting from $17!

Cheapest Bus	$17
Fastest Bus	4h 55m
Earliest Bus	4:45 AM
Latest Bus	10:25 PM
Daily Bus Routes	18 Ø
Distance	110.5 miles
Bus Companies	National Express and FlixBus

Cheapest bus connections from Milton Keynes to Cardiff

Every day, 18 buses from 2 bus companies leave Milton Keynes for Cardiff: in the table below, you will find the cheapest prices for a bus ticket for this route, starting from 07/25/2026 and for the following days.

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday 07/19

Monday 07/20

Tuesday 07/21

Wednesday 07/22

Thursday 07/23

Friday 07/24

Saturday 07/25

Sunday 07/26

$24

Monday 07/27

$21

Tuesday 07/28

$21

Wednesday 07/29

$20

Thursday 07/30

Friday 07/31

$17

Saturday 08/01

$21

Sunday 08/02

$23

Monday 08/03

$20

Tuesday 08/04

$19

Wednesday 08/05

$19

Thursday 08/06

$19

Friday 08/07

$17

Saturday 08/08

$18

Sunday 08/09

Monday 08/10

$21

Tuesday 08/11

$23

Wednesday 08/12

$21

Thursday 08/13

Friday 08/14

Saturday 08/15

The cheapest time to travel from Milton Keynes to Cardiff

See here on which day and which time of the day you can find the cheapest bus ticket from Milton Keynes to Cardiff, for the next 30 days.

With a price starting from $17, Friday is the cheapest day for a bus from Milton Keynes to Cardiff. Monday instead is the most expensive day with prices starting from $20.

Evening is the cheapest day time for bus tickets from Milton Keynes to Cardiff, with $17. Afternoon is the most expensive time of the day with prices starting from $19.

How to save money travelling from Milton Keynes to Cardiff

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 Milton Keynes to Cardiff 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 Milton Keynes to Cardiff, 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 Milton Keynes to Cardiff are also emptier.

All bus stations and stops in Milton Keynes and Cardiff

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

Coachway

The Coachway

Central Station

Bus Stop

Midsummer Boulevard 653

Kingston Shopping Centre

Winchester Cir 1

National Bowl

University

Park Place 50

Kingsway Bus Stop

North Rd

Coach Station

Sophia Gardens 2

Gabalfa Interchange

North Road 213

Bus Interchange

Central Square 3

Service and Comfort on the bus from Milton Keynes to Cardiff

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

FAQs about the Milton Keynes to Cardiff bus

How much does a Milton Keynes Cardiff bus trip cost?

This depends on, among other things, the day and time of travel. The cheapest trip is available from $17 and takes 5h 20m to reach Cardiff. Compare offers to save money!

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

This route is offered by 2 companies with a range of ticket prices between $17 and $64. Thus, we recommend booking your ticket as early as possible to make sure you get the cheapest bus ticket to Cardiff.

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

Every day, the Milton Keynes to Cardiff bus route is served by approximately 18 connections. With our search, you can compare bus times to find the perfect trip.

How long does a bus journey from Milton Keynes to Cardiff take?

The fastest bus from Milton Keynes to Cardiff is offered by National Express and takes 4h 55m. Bus tickets for this connection cost $26. In this context, bear in mind that the journey can take longer due to traffic.

What time is the first bus from Milton Keynes to Cardiff?

The earliest bus arriving in Cardiff from Milton Keynes starts at 4:45 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 Milton Keynes to Cardiff?

The latest bus trip departing from Milton Keynes for Cardiff starts at 10:25 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 Milton Keynes Cardiff route?

When traveling by bus from Milton Keynes to Cardiff, 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 Milton Keynes and Cardiff?

You can check all the direct connections between Milton Keynes and Cardiff 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 Milton Keynes to Cardiff 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 Milton Keynes Cardiff 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 Milton Keynes Cardiff 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 Milton Keynes to Cardiff on your planned travel date.

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

Economy

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

More bus routes to Milton Keynes and to Cardiff

Here’s an overview of the most popular bus routes to Milton Keynes and to Cardiff. Simply click on the connection of your choice, and you will find all the details about your bus route!