- 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.
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
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.
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.








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.
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 |
Use these quick route answers to check fares, travel time, departure options, and direct services before booking from Cardiff to Portsmouth.
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.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
![]() | 15:45 Cardiff | 7h15 | 23:00 Portsmouth | 0 changesdirect | |
![]() | 17:30 Cardiff | 7h00 | 0:30 Portsmouth | 0 changesdirect | |
![]() | 19:45 Cardiff | 6h30 | 2:15 Portsmouth | 0 changesdirect | |
| Tuesday 27 October | |||||
![]() | 8:00 Cardiff | 7h00 | 15:00 Portsmouth | 0 changesdirect | |
![]() | 9:00 Cardiff | 7h00 | 16:00 Portsmouth | 0 changesdirect | |
Find all the dates and times for this journey
Review the details behind your booking, from operators and ticket rules to luggage, onboard amenities, accessibility, and route-specific travel policies.
Discover the best of Portsmouth — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Portsmouth trip today.
A major naval museum where visitors can board Nelson’s flagship and explore life at sea through preserved decks and displays.
This working museum ship reveals cramped Victorian submarine life and the engineering behind one of Britain’s earliest submarines.
Portsmouth’s city museum covers local history, football heritage and art, with exhibits spanning the city’s people and places.
A historic waterfront district with cobbled lanes, pubs, sea walls and several key heritage sites within easy walking distance.
A long pebble beach promenade with piers, gardens and open sea views, well suited to relaxed walks along the Southsea seafront.
A broad common by the Solent, popular for walks, picnics and views of passing ships, the Isle of Wight and seafront landmarks.
A rich fruit cake packed with dried fruit, spice and treacle, long associated with Hampshire baking and often enjoyed at Christmas and local celebrations.
Fresh crab landed on the South Coast, usually served simply in sandwiches, salads or dressed shells, prized for sweet meat and Portsmouth’s seaside setting.
A classic Portsmouth and Hampshire pub dish of smoked haddock, potato and onion in a creamy sauce, baked until golden and comforting in coastal weather.
Popular Southsea spot for classic fish and chips and fresh seafood, with a casual atmosphere close to the seafront.
Smart waterfront restaurant in Old Portsmouth serving modern British dishes with strong seafood options in an elegant, relaxed setting.
Historic pub in Old Portsmouth known for traditional British cooking, cask ales and harbour views in a characterful setting.
Moderate for the UK. Hotels can be pricey in summer, but dining and local buses remain manageable for most city-break budgets.
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.
Official public transport app
The Hard Interchange -> Commercial Road, Portsmouth
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.

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.
Cardiff, Sophia Gardens has practical services for this route, including Wifi, Parking, ATM, Taxis, Accessibility, WC, Shower and Ticket Office.
Wi-Fi is available at Cardiff, Sophia Gardens. ATMs are available at Cardiff, Sophia Gardens.
Ticket office support is available at Cardiff, Sophia Gardens.
Available at Cardiff, Sophia Gardens: Parking, Taxis, WC.
Accessibility facilities are available at Cardiff, Sophia Gardens: Basic accessibility features available.
Cardiff, North Road (Friary Gardens) has practical services for this route, including Wifi, Parking, ATM, Taxis, Accessibility, WC, Shower and Ticket Office.
Wi-Fi is available at Cardiff, North Road (Friary Gardens). ATMs are available at Cardiff, North Road (Friary Gardens).
Ticket office support is available at Cardiff, North Road (Friary Gardens).
Available at Cardiff, North Road (Friary Gardens): Parking, Taxis, WC.
Accessibility facilities are available at Cardiff, North Road (Friary Gardens): Accessible for passengers with reduced mobility.
Portsmouth, The Hard Interchange is 1 km from Portsmouth city centre. Public transport options include:
Portsmouth, The Hard Interchange has practical services for this route, including Wifi, Parking, Dining, ATM, Taxis, Accessibility, WC and Ticket Office.
Food options include: Café at The Hard (in the station), Fast Food Outlet (in the station).
Free Wi-Fi. ATMs are located near the entrance.
Ticket office support is available at Portsmouth, The Hard Interchange.
Available at Portsmouth, The Hard Interchange: Parking, Taxis, WC.
Accessibility facilities are available at Portsmouth, The Hard Interchange: Elevators, ramps.
Portsmouth, International Port is 1 km from Portsmouth city centre. Public transport options include:
Portsmouth, International Port has practical services for this route, including Wifi, Parking, Dining, ATM, Taxis, Accessibility, WC and Ticket Office.
Food options include: Café in the terminal (in the station), Fast-food outlet (in the station).
Free Wi-Fi. ATMs are located near the entrance of the terminal.
Ticket office support is available at Portsmouth, International Port.
Available at Portsmouth, International Port: Parking, Taxis, WC.
Accessibility facilities are available at Portsmouth, International Port: Elevators, ramps.
Southsea, Clarence Esplanade is 1 km from Portsmouth city centre. Public transport options include:
Southsea, Clarence Esplanade has practical services for this route, including Wifi, Parking, ATM, Taxis, Accessibility, WC, Shower and Ticket Office.
Wi-Fi is available at Southsea, Clarence Esplanade. ATMs are available at Southsea, Clarence Esplanade.
Ticket office support is available at Southsea, Clarence Esplanade.
Available at Southsea, Clarence Esplanade: Parking, Taxis, WC.
Accessibility facilities are available at Southsea, Clarence Esplanade: Bus station is accessible for persons with reduced mobility.
Check bus stations information for Cardiff and Portsmouth, including where buses depart and arrive on this route.
Here are some other resources that might have the information you need