Portsmouth to Cardiff bus with National Express

Sat 10 Jan
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National Express
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The cheapest and fastest coaches from Portsmouth to Cardiff

Showing times and prices for 10 Jan

Cheapest price

£18

Average price

£45

Fastest journey

5 h 30 m

Average duration

5 h 45 m

Buses per day

10

Distance

164 km

Cheap tickets

The best way to find a cheap coach ticket from Portsmouth to Cardiff is to book your journey as far in advance as possible and to avoid travelling at rush hour.

The average ticket from Portsmouth to Cardiff will cost around £45 if you buy it on the day, but you can find cheap coach tickets today for only £18.

Fast coaches

To travel from Portsmouth to Cardiff you need to make at least one change.

National ExpressNX030 · NX509
18:456h15
Portsmouth, The Hard Interchange
01:00Cardiff, Sophia Gardens
£181One-way
1 change
National ExpressNX030 · NX509
12:356h40
Portsmouth, The Hard Interchange
19:15Cardiff, Sophia Gardens
£221One-way
1 change
National ExpressNX030 · NX201
20:105h30
Portsmouth, The Hard Interchange
01:40Cardiff, Sophia Gardens
£321One-way
1 change
National ExpressNX030 · NX507
07:406h30
Portsmouth, The Hard Interchange
14:10Cardiff, Sophia Gardens
£331One-way
1 change
National ExpressNX030 · NX201
16:555h45
Portsmouth, The Hard Interchange
22:40Cardiff, Sophia Gardens
£421One-way
1 change

Travel Information

Compare train and coach for Portsmouth to Cardiff

Omio recommends booking the train as it is the most popular option from Portsmouth to Cardiff among Omio's users. If you are prioritising price take the coach with prices starting from £14. For those with little time consider booking a train which can get you there in 3h 23m. In case you are seeking to minimise your carbon footprint the train is your best bet as it emits only 0.0 - 0.1kg. The ticket price range depends on the travel mode: a coach costs an average of £14, and a train costs an average of £38.

Distance: 164 km

Compare bus with

Coach
Most popular
Train

£28

Average Price

Cheapest

£76

Average Price

6h 28m

Average total duration

5h 58m

Onboard

+

30m

Additional time*

3h 53m

Average total duration

Fastest

3h 23m

Onboard

+

30m

Additional time*

0.2 - 0.4kg

CO2 emissions

0.0 - 0.1kg

CO2 emissions

Lowest
National Express

Most popular bus company

Great Western Rail

Most popular train company

Direct Options

Direct Options

Additional time: Average total travel duration to departure point, security checks and transfers.

Live departures

Portsmouth to Cardiff bus times

The table below shows live departures for Portsmouth to Cardiff coaches for today, Friday 9 January. You can also manually refresh the results below to see updated coach journeys.

Last updated at 17:40
ProviderDepartsDurationArrivesChanges
Tickets
national_expressNX030 · NX509
On time
18:45 Portsmouth, The Hard Interchange
6h15
01:00 Cardiff, Sophia Gardens		1 change
national_expressNX030 · NX201
On time
20:10 Portsmouth, The Hard Interchange
5h30
01:40 Cardiff, Sophia Gardens		1 change
Saturday 10 January
national_expressNX030 · NX201
Delayed
03:20 Portsmouth, The Hard Interchange
7h40
14:30 14:30Cardiff, Sophia Gardens		1 change
national_expressNX030 · NX202
Delayed
06:05 Portsmouth, The Hard Interchange
6h00
12:35 12:35Cardiff, Sophia Gardens		1 change
national_expressNX030 · NX507
Delayed
10:40 07:40Portsmouth, The Hard Interchange
6h30
14:10 Cardiff, Sophia Gardens		1 change
national_expressNX030 · NX201
Delayed
08:30 Portsmouth, The Hard Interchange
5h55
14:30 14:30Cardiff, Sophia Gardens		1 change
national_expressNX030 · NX201
On time
10:50 Portsmouth, The Hard Interchange
5h35
16:25 Cardiff, Sophia Gardens		1 change
national_expressNX030 · NX509
On time
12:35 Portsmouth, The Hard Interchange
6h40
19:15 Cardiff, Sophia Gardens		1 change
national_expressNX030 · NX202
On time
13:50 Portsmouth, The Hard Interchange
6h00
19:50 Cardiff, Sophia Gardens		1 change
national_expressNX030 · NX201
On time
16:55 Portsmouth, The Hard Interchange
5h45
22:40 Cardiff, Sophia Gardens		1 change
national_expressNX030 · NX509
On time
18:45 Portsmouth, The Hard Interchange
6h15
01:00 Cardiff, Sophia Gardens		1 change

This is the last bus of the day.

Find all the dates and times for this journey

Compare prices and tickets Portsmouth to Cardiff by train or coach

Compare train and coach prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.

Sat
10 Jan
Sun
11 Jan
Mon
12 Jan
Tue
13 Jan
Wed
14 Jan
Thu
15 Jan
Fri
16 Jan

Journey information

Overview: Bus from Portsmouth to Cardiff

United KingdomUnited Kingdom
United KingdomUnited Kingdom
Icon of bus

Buses from Portsmouth to Cardiff run on average 8 times per day, taking around 5h 58m. Cheap bus tickets for this journey start at £14 if you book in advance.

The earliest coach runs at 03:05, the last at 21:20. The fastest coach covers the 164 km distance in 5h 30m.

Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Distance
164 km
Average bus duration
5h 58m
Cheapest ticket price
£14
Buses per day
8
Fastest bus
5h 30m
First bus
03:05
Last bus
21:20
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information

Bus providers: National Express from Portsmouth to CardiffYou can travel by bus between Portsmouth to Cardiff with National Express for as low as £14. When you search for schedules and tickets, Omio will show you the best journey

National Express

About
National Express is the UK’s leading long-distance coach company, operating over 550 services per day and serving more than 900 destinations nationwide. It also runs frequent services to major UK airports — including Heathrow, Gatwick, Stansted, Luton, and Bristol — 24 hours a day. All National Express coaches are air-conditioned and offer free Wi-Fi and onboard entertainment. Most vehicles are equipped with seat belts and power outlets at every seat, allowing you to charge your phone or laptop during your journey. Ticket options include Restricted Fare, Standard Fare, and Fully Flexible Fare, with the latter providing maximum flexibility for cancellations or changes.
Luggage & cancellation policy
Average Duration
5h 30m
Cheapest Price
£14
National Express frequency
8 a day
Luggage included
Two medium-sized suitcases up to 20kg each and one small piece of hand luggage.
Additional luggage
10€ per additional bag.
Cancellation Policy
You can cancel your ticket up to 24 hours before departure for a refund minus a cancellation fee. Changes can be up to 24 hours before departure for a fee.
Amenities on board the bus
Wifi
Food sold onboard
Seat reservation
Toilets
USB plugs
Accessibility
Assistance; Priority seating; Accessible toilets.
Bikes
Folding Bikes are allowed; non-folding bikes are not allowed.
Learn more about National Express

FAQs: Portsmouth to Cardiff coach

Find answers to the most common questions about traveling from Portsmouth to Cardiff by coach. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest coach, the cheapest option, or tips for making the most of your visit at Cardiff, this guide helps you travel smarter and with confidence.

FAQs
Cheap coach tickets from Portsmouth to Cardiff can start from as little as £14 when you book in advance. The average coach ticket price for Portsmouth to Cardiff is £32; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The coach time between Portsmouth and Cardiff is on average 6 h 10 min   for the 102 mile long journey, but the time it takes to go to Cardiff from Portsmouth by coach can vary depending on specific dates or if traveling on weekends and holidays.
The first coach from Portsmouth to Cardiff leaves at 05: 12. Plan your trip with the Journey Planner   from Omio.
The last coach from Portsmouth to Cardiff leaves at 18: 45.
There are 9 coaches a day from Portsmouth to Cardiff which require at least one change with National Express. Schedules can vary on holidays or weekends with fewer coaches.
For the route from Portsmouth to Cardiff you can take a coach with National Express. Be sure to check out all possible coach companies that offer services between Portsmouth and Cardiff on Omio to compare what amenities they may have.
The cheapest month to travel from Portsmouth to Cardiff by coach is March.
You have options as you can travel between Portsmouth and Cardiff 2 different ways: train or coach.
No, the coach from Portsmouth to Cardiff has no accessibility options.
No, there are no bathrooms on board the coach from Portsmouth to Cardiff.
No, bikes are not allowed on board the coach from Portsmouth to Cardiff.

To find the cheapest bus tickets for your trip from Portsmouth to Cardiff, follow these tips:

  • Book in advance: Tickets are often cheaper when booked early.
  • Be flexible with dates and times: Traveling during off-peak hours or on weekdays can help you save money.
  • Use our search filters: Sort results by price to quickly identify the most affordable options.
  • Look for special deals or discounts: Check for promotions or discounts available on our website and app.

    • Start your search now and compare ticket prices to find the best deal!

    Yes, there is food available to purchase on board the coach from Portsmouth to Cardiff.
    No, luggage for the coach from Portsmouth to Cardiff needs to be booked in addition.
    No, there are no additional luggage options for the coach from Portsmouth to Cardiff.
    Unfortunately, pets are not allowed on the coach from Portsmouth to Cardiff.
    No, there are no USB plugs on board the coach from Portsmouth to Cardiff.
    No, there is no WiFi on board the coach from Portsmouth to Cardiff.

    popular bus stations

    Important Stations and Airports in Portsmouth and Cardiff

    Portsmouth
    Cardiff
    The major coach station for departures in Portsmouth is Portsmouth, The Hard Interchange. Find all the information you need to know about services, amenities and connections at Portsmouth, The Hard Interchange for your trip from Portsmouth to Cardiff.
    Portsmouth, The Hard InterchangeWifiParkingDiningATMTaxisAccessibilityWCTicket Office
    Amenities at bus station
    WifiWifi
    ParkingParking
    DiningDining
    ATMATM
    TaxisTaxis
    AccessibilityAccessibility
    WCWC
    Ticket OfficeTicket Office
    information
    address
    Address
    The Hard Interchange, Portsmouth PO1 3DT, UK
    ticketOfficeHours
    Ticket Office Hours
    • 05:00-23:00
    ticketOfficeHours
    Distance to city center
    1 km
    carConnection
    Car connection
    The Hard
    Wifi
    Wifi
    • Free Wi-Fi
    Dining
    Dining
    • Café at The Hard (in the station)
    • Fast Food Outlet (in the station).
    Taxis
    Taxis
    • Available outside the main entrance.
    Accessibility
    Accessibility
    • Elevators, ramps
    WC
    WC
    • Available near the waiting area.
    Public transport options for Portsmouth, The Hard Interchange
    • Bus: 1, 2, 3, 7, 8, 13, 14 Train: South Western Railway, Southern, Great Western Railway
    Southsea, Clarence Esplanade
    information
    Portsmouth, University
    information

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    HomeCoachesCoach tickets to Cardiff Portsmouth to Cardiff bus

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