Portsmouth to Cardiff bus with National Express

Mon, Nov 02
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The cheapest and fastest buses from Portsmouth to Cardiff

Showing times, prices and bookable tickets for Nov 02
Cheapest price on Nov 02
€26
Average ticket price on Nov 02
€35
Fastest journey on Nov 02
5 h 30 m
Average journey duration on Nov 02
5 h 59 m
Buses on Nov 02
4
Distance
164 km
Cheap tickets

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

The average ticket from Portsmouth to Cardiff will cost around €35 if you buy it on the day, but the cheapest tickets can be found for only €26.

Fast buses

On Mon, Nov 02, we found 4 buses from Portsmouth to Cardiff, including 4 direct services.

On Mon, Nov 02 the direct buses cover the 164 km distance in an average of 5 h 59 m but if you time it right, some buses will get you there in just 5 h 30 m .

On Mon, Nov 02 the slowest buses will take 6 h 15 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.

  • National Express
    0 transfers
  • National Express
    0 transfers
  • National Express
    0 transfers
  • National Express
    0 transfers

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 9 times per day, taking around 5h 30m. Cheap bus tickets for this journey start at €15 if you book in advance.

The earliest bus runs at 03:05, the last at 21:20. The fastest bus covers the 101 miles (164 km) distance in 4h 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
101 miles (164 km)
Average bus duration
5h 30m
Cheapest ticket price
€15
Buses per day
9
Fastest bus
4h 30m
First bus
3:05 AM
Last bus
9:20 PM
Cheapest Month
Jun
Cheapest Day
Thu
High Season
Jul - Sep
Low Season
Jan - Mar
Busiest Day
Sun
Least Busy Day
Fri
Best time to book
35 days
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

Frequently asked questions about your Portsmouth to Cardiff trip

Use these quick route answers to check fares, travel time, departure options, and direct services before booking from Portsmouth to Cardiff.

Cheap bus tickets from Portsmouth to Cardiff can start from as little as €15 when you book in advance. The average bus ticket price for Portsmouth to Cardiff is €47 ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The earliest bus from Portsmouth to Cardiff leaves at 3:05 AM. Plan your trip with the Journey Planner from Omio.
The latest bus from Portsmouth to Cardiff leaves at 9:20 PM.
There are 9 buses a day from Portsmouth to Cardiff which require at least one change with National Express. Schedules can vary on holidays or weekends with fewer buses.

Portsmouth to Cardiff Bus Timetables

OperatorDeparture TimeArrival TimeDurationDeparture daysCheapest price
Operator
National Express
Departure Time
03:20AM
Arrival Time
10:50AM
Duration
7h30
Departure days
Tue, Sat, Sun
Cheapest price
€45
Operator
National Express
Departure Time
05:35AM
Arrival Time
12:05PM
Duration
6h30
Departure days
Tue
Cheapest price
€52
Operator
National Express
Departure Time
06:05AM
Arrival Time
11:55AM
Duration
5h50
Departure days
Sat, Sun
Cheapest price
€43
Operator
National Express
Departure Time
06:50AM
Arrival Time
03:20PM
Duration
8h30
Departure days
Wed
Cheapest price
€27
Operator
National Express
Departure Time
07:19AM
Arrival Time
02:10PM
Duration
6h51
Departure days
Sat
Cheapest price
€23
Operator
National Express
Departure Time
07:40AM
Arrival Time
02:10PM
Duration
6h30
Departure days
Sat, Sun
Cheapest price
€34
Operator
National Express
Departure Time
07:50AM
Arrival Time
04:20PM
Duration
8h30
Departure days
Tue, Thu
Cheapest price
€19
Operator
National Express
Departure Time
08:30AM
Arrival Time
02:40PM
Duration
6h10
Departure days
Sat, Sun
Cheapest price
€47
Operator
National Express
Departure Time
09:20AM
Arrival Time
04:30PM
Duration
7h10
Departure days
Tue
Cheapest price
€42
Operator
National Express
Departure Time
09:45AM
Arrival Time
04:55PM
Duration
7h10
Departure days
Sat
Cheapest price
€23
Operator
National Express
Departure Time
09:50AM
Arrival Time
03:45PM
Duration
5h55
Departure days
Mon
Cheapest price
€39
Operator
National Express
Departure Time
10:50AM
Arrival Time
04:40PM
Duration
5h50
Departure days
Sat, Sun
Cheapest price
€41
Operator
National Express
Departure Time
11:05AM
Arrival Time
06:30PM
Duration
7h25
Departure days
Tue, Thu
Cheapest price
€19
Operator
National Express
Departure Time
12:15PM
Arrival Time
07:20PM
Duration
7h05
Departure days
Sat
Cheapest price
€26
Operator
National Express
Departure Time
12:35PM
Arrival Time
07:20PM
Duration
6h45
Departure days
Sat, Sun
Cheapest price
€19
Operator
National Express
Departure Time
12:55PM
Arrival Time
06:40PM
Duration
5h45
Departure days
Tue
Cheapest price
€39
Operator
National Express
Departure Time
01:50PM
Arrival Time
07:50PM
Duration
6h00
Departure days
Sat, Sun
Cheapest price
€39
Operator
National Express
Departure Time
01:55PM
Arrival Time
08:45PM
Duration
6h50
Departure days
Wed, Thu
Cheapest price
€32
Operator
National Express
Departure Time
02:55PM
Arrival Time
09:45PM
Duration
6h50
Departure days
Tue, Wed
Cheapest price
€19
Operator
National Express
Departure Time
03:05PM
Arrival Time
10:45PM
Duration
7h40
Departure days
Sat
Cheapest price
€23
Operator
National Express
Departure Time
03:10PM
Arrival Time
10:25PM
Duration
7h15
Departure days
Thu
Cheapest price
€22
Operator
National Express
Departure Time
03:35PM
Arrival Time
10:45PM
Duration
7h10
Departure days
Fri
Cheapest price
€30
Operator
National Express
Departure Time
04:10PM
Arrival Time
10:40PM
Duration
6h30
Departure days
Tue
Cheapest price
€45
Operator
National Express
Departure Time
04:55PM
Arrival Time
10:40PM
Duration
5h45
Departure days
Sat, Sun
Cheapest price
€55
Operator
National Express
Departure Time
05:45PM
Arrival Time
12:00AM
Duration
6h15
Departure days
Mon, Wed, Thu, Fri
Cheapest price
€25
Operator
National Express
Departure Time
06:25PM
Arrival Time
12:50AM
Duration
6h25
Departure days
Wed, Fri, Sat
Cheapest price
€23
Operator
National Express
Departure Time
06:45PM
Arrival Time
01:00AM
Duration
6h15
Departure days
Everyday
Cheapest price
€19
Operator
National Express
Departure Time
08:10PM
Arrival Time
01:40AM
Duration
5h30
Departure days
Mon, Tue, Sat, Sun
Cheapest price
€39

Live departures

Portsmouth to Cardiff bus times

The table below shows live departures for Portsmouth to Cardiff buses for tomorrow, Monday, November 2. You can also manually refresh the results below to see updated bus journeys.

Last updated at
ProviderDepartsDurationArrivesTransfers
Tickets
National Express9:50 AM Portsmouth
5h55
3:45 PM Cardiff0 transfersDirect
National Express5:45 PM Portsmouth
6h15
12:00 AM Cardiff0 transfersDirect
National Express6:45 PM Portsmouth
6h15
1:00 AM Cardiff0 transfersDirect
National Express8:10 PM Portsmouth
5h30
1:40 AM Cardiff0 transfersDirect

This is the last bus of the day.

Find all the dates and times for this journey

Why should you book Portsmouth to Cardiff buses with Omio?

National Express operates all buses services from Portsmouth to Cardiff.
Omio is an official ticket reseller for all your travel options from Portsmouth to Cardiff.

Why book with Omio vs National Express?

  • Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
  • Compare all your options: Omio allows you to compare National Express with all available travel options, which are train and bus to ensure you get the best deal for traveling from Portsmouth to Cardiff.

Why book with Omio over Wanderu?

  • Multiple modes of transport: Omio allows you to compare travel options including train and bus to find the ideal travel option from Portsmouth to Cardiff.

Bus providers: National Express from Portsmouth to CardiffYou can travel by bus between Portsmouth to Cardiff with National Express for as low as €15. 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 National Express Duration
4h 30m
Cheapest National Express Price
€15
National Express frequency
9 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.

Companies, tickets, and onboard amenities between Portsmouth and Cardiff

Review the details behind your booking, from operators and ticket rules to luggage, onboard amenities, accessibility, and route-specific travel policies.

When taking a bus from Portsmouth to Cardiff, you can count on National Express for the best way to get you to Cardiff. You can also check all possible bus companies who offer a service between Portsmouth and Cardiff and compare the amenities they offer before buying a bus ticket.
Yes, there are bathrooms on board the bus from Portsmouth to Cardiff for bus company National Express.
Yes, the following accessibility options are available when taking the bus from Portsmouth to Cardiff:
  • National Express
    • Assistance
    • Priority seating
    • Accessible toilets.
Whether you can cancel your bus ticket from Portsmouth to Cardiff depends on the bus companies:
  • National Express
    • 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.
Yes, bikes are allowed on board the bus with bus company {providersWithBike}.
Yes, there is food available to purchase on board the bus from Portsmouth to Cardiff.
Yes, the following luggage options are included when booking a bus ticket from Portsmouth to Cardiff:
  • National Express
    • Two medium-sized suitcases up to 20kg each and one small piece of hand luggage.
Yes, the following additional luggage options are available when booking a bus ticket from Portsmouth to Cardiff:
  • National Express
    • 10€ per additional bag.
Unfortunately, pets are not allowed on the bus from Portsmouth to Cardiff.
You can reserve your seat on the bus from Portsmouth to Cardiff with the following bus company: National Express
Yes, there are USB plugs on board the bus from Portsmouth to Cardiff with the following bus company: National Express.
Yes, there is Wifi on board the bus from Portsmouth to Cardiff with the following bus company: National Express.

Complete guide to Cardiff

Things to do in Cardiff

Discover the best of Cardiff — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Cardiff trip today.

  • Must visit

National Museum Cardiff

Wales’s national art and natural history museum, with Impressionist paintings, geology, and major collections in an elegant civic building.

  • Must visit

St Fagans National Museum of History

Open-air history museum with rescued Welsh buildings, crafts, and exhibitions that bring everyday life from different eras vividly to life.

  • Recommended

Museum of Cardiff

Compact city-centre museum telling Cardiff’s story through local archaeology, industry, and community displays inside the Old Library.

British pound sterling (£)

Moderate for the UK. Hotels and dining are usually cheaper than London, while local transit and casual meals are manageable for most visitors.

Average meal costs

Budget
£8-15 for fast food or a casual lunch.
Mid-range
£18-35 per person for a restaurant meal.
Fine dining
£60+ per person for upscale dining.
Coffee
£3-4.50 for a cappuccino.

Tipping culture

Restaurants often add a 10-12.5% service charge; if not, tip around 10%. Taxi tips are optional, often rounded up. Cafes usually do not require tipping, but small tips are appreciated.

Plan your visit to Cardiff

Get destination-focused answers for the end of your trip, including what to do, when to go, practical entry details, and tips for making the most of your time in Cardiff.

The currency used in the United Kingdom is the British Pound Sterling (GBP). For travelers, using a card is generally more convenient and widely accepted, especially in cities and for transportation tickets, though carrying some cash can be useful for small purchases or in rural areas.
In Cardiff, travelers should be cautious of pickpocketing, especially in crowded areas like Cardiff Central Station and popular tourist spots. Taxi scams can occur, so it’s advisable to use licensed taxis or reputable ride-hailing apps. Additionally, travelers should be aware of occasional street distractions designed to divert attention while accomplices attempt theft. Staying vigilant and securing personal belongings helps ensure a safe visit.
Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.

FAQs: Bus from Portsmouth to Cardiff

Find answers to the most common questions about traveling from Portsmouth to Cardiff by bus. 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 bus, the cheapest option, or tips for making the most of your visit at Cardiff, this guide helps you travel smarter and with confidence.

FAQs
It's helpful to compare your options as there are 2 ways to travel between Portsmouth and Cardiff including taking a train and bus.
Tickets are often cheaper when booked early. Traveling during off-peak hours or on weekdays can help you save money. Sort results by price to quickly identify the most affordable options. Check for promotions or discounts available on our website and app.

popular bus stations

Popular bus stations from Portsmouth to Cardiff

Most Portsmouth to Cardiff buses use the Portsmouth, The Hard Interchange to Cardiff, Sophia Gardens station pair, with some services arriving at Cardiff, University. Use this guide to compare Portsmouth and Cardiff bus stations on this route, check city-centre transport, alongside checking practicalities like bus station facilities and services.

Departure bus stations in Portsmouth
Arrival bus stations in Cardiff

Which Portsmouth station do buses to Cardiff leave from?

Buses from Portsmouth to Cardiff leave from Portsmouth, The Hard Interchange. The station is 0 miles (1 km) from Portsmouth city centre at The Hard Interchange, Portsmouth PO1 3DT, UK.
Portsmouth, The Hard InterchangeThe Hard Interchange, Portsmouth PO1 3DT, UKWifiParkingDiningATMTaxisAccessibilityWCTicket Office
City-centre transport

Getting to Portsmouth, The Hard Interchange from Portsmouth city centre

Portsmouth, The Hard Interchange is 1 km from Portsmouth city centre. Public transport options include:

TrainLondon Victoria - Portsmouth Harbour, Brighton - Portsmouth Harbour, Littlehampton - Portsmouth Harbour, Three Bridges - Portsmouth Harbour, Barnham - Portsmouth Harbour, Gatwick Airport - Portsmouth Harbour, Havant - Portsmouth Harbour, Bognor Regis - Portsmouth Harbour · 3m · €1 · every ~4 min
Bus1, 2, 8, 3, 7, X4, H1, X5, Pr1 · 6m · €2 · every ~214 min

Portsmouth, The Hard Interchange bus station facilities and services

Portsmouth, The Hard Interchange has practical services for this route, including Wifi, Parking, Dining, ATM, Taxis, Accessibility, WC, and Ticket Office.

Food and drink

Food options include: Café at The Hard (in the station), Fast Food Outlet (in the station).

Wi-Fi and ATMs

Free Wi-Fi. ATMs are located near the entrance.

Tickets and information

Ticket office support is available at Portsmouth, The Hard Interchange.

Parking, taxis and toilets

Available at Portsmouth, The Hard Interchange: Parking, Taxis, WC.

Accessibility

Accessibility facilities are available at Portsmouth, The Hard Interchange: Elevators, ramps.

Portsmouth, University
Southsea, Clarence EsplanadeClarence Esplanade, Southsea, Portsmouth, Southsea, UKWifiParkingATMTaxisAccessibilityWCShowerTicket Office
City-centre transport

Getting to Southsea, Clarence Esplanade from Portsmouth city centre

Southsea, Clarence Esplanade is 1 km from Portsmouth city centre. Public transport options include:

Bus23 · 23m · €2 · every ~27 min

Southsea, Clarence Esplanade bus station facilities and services

Southsea, Clarence Esplanade has practical services for this route, including Wifi, Parking, ATM, Taxis, Accessibility, WC, Shower, and Ticket Office.

Wi-Fi and ATMs

Wi-Fi is available at Southsea, Clarence Esplanade. ATMs are available at Southsea, Clarence Esplanade.

Tickets and information

Ticket office support is available at Southsea, Clarence Esplanade.

Parking, taxis and toilets

Available at Southsea, Clarence Esplanade: Parking, Taxis, WC.

Accessibility

Accessibility facilities are available at Southsea, Clarence Esplanade: Bus station is accessible for persons with reduced mobility.

Bus stations for Portsmouth to Cardiff

Check bus stations information for Portsmouth and Cardiff, including where buses depart and arrive on this route.

When departing from Portsmouth , you have various bus station options to start your journey from including Portsmouth, The Hard Interchange, Portsmouth, University, Southsea, Clarence Esplanade, Portsmouth, International Port . When arriving in Cardiff , you can end your journey in bus stations like Cardiff, Sophia Gardens, Cardiff, North Road (Friary Gardens), Cardiff, University, Cardiff, Kingsway (Stop GB) .Passengers board the bus most frequently from Portsmouth, The Hard Interchange, which is located around 0 miles (1 km) away from the city centre, and they get off the bus at Cardiff, Sophia Gardens, located 1 away from the city centre.

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