Cardiff to Portsmouth bus with National Express

Tue 27 Oct
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National Express
FlixBus
Alsa
BlaBlaCar Bus
Avanza
2,000+ travel companies
National Express
FlixBus
Alsa
BlaBlaCar Bus
Avanza
2,000+ travel companies
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The cheapest and fastest coaches from Cardiff to Portsmouth

Showing times, prices and bookable tickets for 27 Oct

Cheapest price on 27 Oct

£21

Average ticket price on 27 Oct

£27

Fastest journey on 27 Oct

7 h

Average journey duration on 27 Oct

7 h 27 m

Buses on 27 Oct

4

Distance

164 km

Cheap tickets

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

The average ticket from Cardiff to Portsmouth will cost around £27 if you buy it on the day, but you can find cheap coach tickets today for only £21.

Fast coaches

On Tue 27 Oct, we found 4 buses from Cardiff to Portsmouth, including 4 direct services.

These direct buses cover the 164 km distance in an average of 7 h 27 m but if you time it right, some buses will get you there in just 7 h .

The slowest buses will take 8 h 37 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
    14:538h37
    Cardiff
    23:30Portsmouth
    £211One-way
    0 changes
  • National Express
    8:007h00
    Cardiff
    15:00Portsmouth
    £221One-way
    0 changes
  • National Express
    9:007h00
    Cardiff
    16:00Portsmouth
    £251One-way
    0 changes
  • National Express
    12:307h10
    Cardiff
    19:40Portsmouth
    £391One-way
    0 changes

Journey information

Overview: Bus from Cardiff to Portsmouth

United KingdomUnited Kingdom
United KingdomUnited Kingdom
Icon of bus

Buses from Cardiff to Portsmouth run on average 7 times per day, taking around 5h 44m. Cheap bus tickets for this journey start at £16 if you book in advance.

The earliest coach runs at 03:05, the last at 21:00. The fastest coach covers the 164 km distance in 4h 45m.

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 44m
Cheapest ticket price
£16
Buses per day
7
Fastest bus
4h 45m
First bus
3:05
Last bus
21:00
Cheapest Month
Feb
Cheapest Day
Tue
High Season
Oct - Dec
Low Season
Jan - Mar
Busiest Day
Fri
Least Busy Day
Sat
Best time to book
91 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 Cardiff to Portsmouth trip

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

Cheap coach tickets from Cardiff to Portsmouth can start from as little as £16 when you book in advance. The average coach ticket price for Cardiff to Portsmouth is £45; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The earliest coach from Cardiff to Portsmouth leaves at 3:05. Plan your trip with the Journey Planner from Omio.
The latest coach from Cardiff to Portsmouth leaves at 21:00.
There are 7 coaches a day from Cardiff to Portsmouth which require at least one change with National Express, FlixBus. Schedules can vary on holidays or weekends with fewer coaches.

Live departures

Cardiff to Portsmouth bus times

The table below shows live departures for Cardiff to Portsmouth coaches for today, Monday 26 October. You can also manually refresh the results below to see updated coach journeys.

Last updated at
ProviderDepartsDurationArrivesChanges
Tickets
National Express15:45 Cardiff
7h15
23:00 Portsmouth0 changesdirect
National Express17:30 Cardiff
7h00
0:30 Portsmouth0 changesdirect
National Express19:45 Cardiff
6h30
2:15 Portsmouth0 changesdirect
Tuesday 27 October
National Express8:00 Cardiff
7h00
15:00 Portsmouth0 changesdirect
National Express9:00 Cardiff
7h00
16:00 Portsmouth0 changesdirect

Find all the dates and times for this journey

Why should you book Cardiff to Portsmouth coaches with Omio?

National Express as well as FlixBus offer coaches services from Cardiff to Portsmouth.
Omio is an official ticket reseller for all your travel options from Cardiff to Portsmouth.

Why book with Omio vs National Express?

  • Compare with other providers: On Omio, you can not only buy tickets for National Express, but also compare tickets for the likes of FlixBus to find the best option for your trip from Cardiff to Portsmouth.
  • 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 Cardiff to Portsmouth.

Why book with Omio over Wanderu or Trainline?

  • Compare with other providers: On Omio, you can also compare tickets for the likes of FlixBus to find the best option for your trip from Cardiff to Portsmouth.
  • Multiple modes of transport: Omio allows you to compare travel options including train and bus to find the ideal travel option from Cardiff to Portsmouth.

Bus providers: National Express, FlixBus from Cardiff to PortsmouthYou can travel by bus between Cardiff to Portsmouth with National Express, FlixBus for as low as £16. When you search for schedules and tickets, Omio will show you the best journey

FlixBus

About
FlixBus is one of Europe’s leading low-cost bus companies, founded in Germany and now offering long-distance services across Europe and the United States. In addition to its extensive daytime network, FlixBus also operates overnight buses on select European routes. Standard amenities include free Wi-Fi, power outlets to charge devices, extra legroom, luggage space, and onboard toilets, with snacks and drinks available for purchase. FlixBus offers a single Standard ticket type for all routes, which includes one carry-on bag and one checked bag per passenger. Additional fees apply for extra luggage and for reserving specific seats, such as Extra Seats, Table Seats, or Panorama Seats. This combination of affordability, comfort, and wide coverage makes FlixBus a popular choice for budget-conscious travelers.
Luggage & cancellation policy
Average FlixBus Duration
5h 10m
Cheapest FlixBus Price
£19
FlixBus frequency
5 a day
Luggage included
One carry-on bag up to 7kg (42x30x18 cm) and one checked bag up to 20kg (80x50x30 cm).
Additional luggage
Additional luggage can be purchased for a fee.
Cancellation Policy
You can cancel your ticket up to 15 minutes before departure and receive a voucher for future travel. Refund requests for delays over 120 minutes are possible.
Amenities on board the bus
Wifi
Food sold onboard
Seat reservation
Toilets
USB plugs
Accessibility
Assistance; Priority boarding; Wheelchair-accessible buses.
Bikes
Bikes are allowed for a fee; must be booked.
Pets
Small pets in carriers allowed; guide dogs travel for free.

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 45m
Cheapest National Express Price
£16
National Express frequency
7 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 Cardiff and Portsmouth

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

When taking a coach from Cardiff to Portsmouth, you can count on National Express, FlixBus for the best way to get you to Portsmouth. You can also check all possible coach companies who offer a service between Cardiff and Portsmouth and compare the amenities they offer before buying a coach ticket.
Yes, the following accessibility options are available when taking the coach from Cardiff to Portsmouth:
  • National Express
    • Assistance
    • Priority seating
    • Accessible toilets.
  • FlixBus
    • Assistance
    • Priority boarding
    • Wheelchair-accessible buses.
Yes, there are bathrooms on board the coach from Cardiff to Portsmouth for coach company National Express, FlixBus.
Whether you can cancel your coach ticket from Cardiff to Portsmouth depends on the coach 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.
  • FlixBus
    • You can cancel your ticket up to 15 minutes before departure and receive a voucher for future travel. Refund requests for delays over 120 minutes are possible.
Yes, bikes are allowed on board the coach with coach company {providersWithBike}.
No, there is no food available to purchase on board the coach from Cardiff to Portsmouth.
Yes, the following luggage options are included when booking a coach ticket from Cardiff to Portsmouth:
  • National Express
    • Two medium-sized suitcases up to 20kg each and one small piece of hand luggage.
  • FlixBus
    • One carry-on bag up to 7kg (42x30x18 cm) and one checked bag up to 20kg (80x50x30 cm).
Yes, the following additional luggage options are available when booking a coach ticket from Cardiff to Portsmouth:
  • National Express
    • 10€ per additional bag.
  • FlixBus
    • Additional luggage can be purchased for a fee.
Yes, you can bring your pet on the coach from Cardiff to Portsmouth. The following conditions apply:
  • FlixBus
    • Small pets in carriers allowed
    • guide dogs travel for free.
You can reserve your seat on the coach from Cardiff to Portsmouth with the following coach company: National Express, FlixBus
Yes, there are USB plugs on board the coach from Cardiff to Portsmouth with the following coach company: National Express, FlixBus.
Yes, there is Wifi on board the coach from Cardiff to Portsmouth with the following coach company: National Express, FlixBus.

Complete guide to Portsmouth

Things to do in Portsmouth

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

  • Must visit

HMS Victory

A major naval museum where visitors can board Nelson’s flagship and explore life at sea through preserved decks and displays.

  • Recommended

HMS Alliance

This working museum ship reveals cramped Victorian submarine life and the engineering behind one of Britain’s earliest submarines.

  • Recommended

Portsmouth Museum and Art Gallery

Portsmouth’s city museum covers local history, football heritage and art, with exhibits spanning the city’s people and places.

Pound sterling (£)

Moderate for the UK. Hotels can be pricey in summer, but dining and local buses remain manageable for most city-break budgets.

Average meal costs

Budget
£8-15 for fast food or a simple meal.
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: 10-12.5% if not already added. Taxis: round up or 10%. Cafés and pubs: tipping is optional, though small change is appreciated for table service.

FAQs: Cardiff to Portsmouth coach

Find answers to the most common questions about traveling from Cardiff to Portsmouth 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 Portsmouth, 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 Cardiff and Portsmouth including taking a train and coach.
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

Important Stations and Airports in Cardiff and Portsmouth

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

Departure bus stations in Cardiff
Arrival bus stations in Portsmouth

Which Cardiff station do buses to Portsmouth leave from?

Buses from Cardiff to Portsmouth leave from Cardiff, Sophia Gardens. The station is 1 km from Cardiff city centre at Cardiff Coach Station, Sophia Gardens, 2 Sophia Cl, Pontcanna, Cardiff CF11 9HW, UK.
Cardiff, Sophia GardensCardiff Coach Station, Sophia Gardens, 2 Sophia Cl, Pontcanna, Cardiff CF11 9HW, UKWifiParkingATMTaxisAccessibilityWCShowerTicket Office
City-centre transport

Getting to Cardiff, Sophia Gardens from Cardiff city centre

Bus25, 62, 63, 25A, 64 · 3m · £2 · every ~14 min
C1 · 16m · every ~8 min

Cardiff, Sophia Gardens bus station facilities and services

Cardiff, Sophia Gardens 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 Cardiff, Sophia Gardens. ATMs are available at Cardiff, Sophia Gardens.

Tickets and information

Ticket office support is available at Cardiff, Sophia Gardens.

Parking, taxis and toilets

Available at Cardiff, Sophia Gardens: Parking, Taxis, WC.

Accessibility

Accessibility facilities are available at Cardiff, Sophia Gardens: Basic accessibility features available.

Cardiff, North Road (Friary Gardens)Cardiff North Road (Friary Gardens), Cardiff CF10 3AF, UKWifiParkingATMTaxisAccessibilityWCShowerTicket Office
City-centre transport

Getting to Cardiff, North Road (Friary Gardens) from Cardiff city centre

TRUE

Cardiff, North Road (Friary Gardens) bus station facilities and services

Cardiff, North Road (Friary Gardens) 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 Cardiff, North Road (Friary Gardens). ATMs are available at Cardiff, North Road (Friary Gardens).

Tickets and information

Ticket office support is available at Cardiff, North Road (Friary Gardens).

Parking, taxis and toilets

Available at Cardiff, North Road (Friary Gardens): Parking, Taxis, WC.

Accessibility

Accessibility facilities are available at Cardiff, North Road (Friary Gardens): Accessible for passengers with reduced mobility.

Cardiff, University
City-centre transport

Getting to Cardiff, University from Cardiff city centre

TrainCardiff Central - Merthyr Tydfil, Cardiff Central - Treherbert, Cardiff Central - Pontypridd, Aberdare - Merthyr Tydfil, Cardiff Central - Radyr, Radyr - Radyr · 6m · £1 · every ~8 min
BusC1 · 18m · every ~8 min

Bus stations for Cardiff to Portsmouth

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

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

More options for your journey from Cardiff to Portsmouth

Here are some other resources that might have the information you need

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