4.9
4.6The cheapest and fastest buses from Portsmouth to Cardiff
Cheapest price
$36
Average price
$54
Fastest journey
5 h 30 m
Average duration
6 h 39 m
Buses per day
5
Distance
164 km
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 $54 if you buy it on the day, but the cheapest tickets can be found for only $36.
Of the 5 buses that leave Portsmouth for Cardiff on Thu, Nov 06, 5 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Thu, Nov 06 the direct buses cover the 164 km distance in an average of 6 h 39 m but if you time it right, some buses will get you there in just 5 h 30 m .
On Thu, Nov 06 the slowest buses will take 7 h 25 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.
Travel Information
Compare train and bus 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 bus with prices starting from €15. 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 bus costs an average of €15, and a train costs an average of €41.
Distance: 101 miles (164 km)
Compare bus with
| Bus | Most popular Train |
|---|---|
€31 Average price Cheapest | €83 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 |
Most popular bus company |  Most popular train company |
Direct Options | Direct Options |
Additional time: Average total travel duration to departure point, security checks and transfers.
Portsmouth to Cardiff Bus Timetables
| Operator | Departure Time | Arrival Time | Duration | Departure days | Cheapest price |
|---|---|---|---|---|---|
Operator National Express | Departure Time 03:20AM | Arrival Time 11:00AM | Duration 7h40 | Departure days Fri, Sat | Cheapest price $69 |
Operator National Express | Departure Time 05:35AM | Arrival Time 12:05PM | Duration 6h30 | Departure days Fri | Cheapest price $79 |
Operator National Express | Departure Time 06:05AM | Arrival Time 12:05PM | Duration 6h00 | Departure days Sat | Cheapest price $79 |
Operator National Express | Departure Time 07:20AM | Arrival Time 02:10PM | Duration 6h50 | Departure days Fri | Cheapest price $58 |
Operator National Express | Departure Time 07:40AM | Arrival Time 02:10PM | Duration 6h30 | Departure days Sat | Cheapest price $52 |
Operator National Express | Departure Time 08:20AM | Arrival Time 02:45PM | Duration 6h25 | Departure days Fri | Cheapest price $74 |
Operator National Express | Departure Time 08:30AM | Arrival Time 02:25PM | Duration 5h55 | Departure days Sat | Cheapest price $74 |
Operator National Express | Departure Time 10:50AM | Arrival Time 05:00PM | Duration 6h10 | Departure days Fri, Sat | Cheapest price $61 |
Operator National Express | Departure Time 12:35PM | Arrival Time 07:55PM | Duration 7h20 | Departure days Fri, Sat | Cheapest price $38 |
Operator National Express | Departure Time 01:50PM | Arrival Time 08:05PM | Duration 6h15 | Departure days Fri, Sat | Cheapest price $64 |
Operator National Express | Departure Time 04:45PM | Arrival Time 10:40PM | Duration 5h55 | Departure days Fri | Cheapest price $60 |
Operator National Express | Departure Time 04:55PM | Arrival Time 10:40PM | Duration 5h45 | Departure days Sat | Cheapest price $53 |
Operator National Express | Departure Time 06:45PM | Arrival Time 01:00AM | Duration 6h15 | Departure days Fri, Sat | Cheapest price $24 |
Operator National Express | Departure Time 08:10PM | Arrival Time 01:40AM | Duration 5h30 | Departure days Fri, Sat | Cheapest price $52 |
Live departures
Portsmouth to Cardiff bus times
The table below shows live departures for Portsmouth to Cardiff buses for tomorrow, Thursday, November 6. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| 6:50 AM Portsmouth | 7h20 | 2:10 PM Cardiff | 0 transfersDirect | |
| 10:05 AM Portsmouth | 7h25 | 5:30 PM Cardiff | 0 transfersDirect | |
| 1:55 PM Portsmouth | 6h50 | 8:45 PM Cardiff | 0 transfersDirect | |
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 bus
Compare train and bus 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.
Nov 06
Nov 07
Nov 08
Nov 09
Nov 10
Nov 11
Nov 12
Journey information
Overview: Bus from Portsmouth to Cardiff
United KingdomUnited Kingdom
Buses from Portsmouth to Cardiff run on average 8 times per day, taking around 5h 58m. Cheap bus tickets for this journey start at $18 (€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 5h 30m.
Distance 101 miles (164 km) |
Average bus duration 5h 58m |
Cheapest ticket price $18 (€15) |
Buses per day 8 |
Fastest bus 5h 30m |
First bus 03:05 |
Last bus 21:20 |
Bus providers: National Express from Portsmouth to CardiffYou can travel by bus between Portsmouth to Cardiff with National Express for as low as $18 (€15). When you search for schedules and tickets, Omio will show you the best journey
National Express
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.
- National Express
- Assistance
- Priority seating
- Accessible toilets.
- Cardiff Castle, a historic fortress with Roman and Norman roots offering guided tours and events
- St Fagans National Museum of History, an open-air museum showcasing Welsh life and culture through reconstructed buildings and exhibits
- Cardiff Bay, a vibrant waterfront area with dining, entertainment, and cultural attractions
- National Museum Cardiff, featuring art, archaeology, and natural history collections
- Bute Park, a large green space perfect for leisurely walks and picnics.
- Millennium Centre, a renowned arts venue hosting opera, ballet, and theater performances
- Explore the vibrant nightlife in Cardiff's city center with its array of pubs and clubs
- Take a boat tour around Cardiff Bay for scenic views and historical insights
- Visit the Cardiff International White Water for an adventurous day of rafting and kayaking
- Enjoy shopping and dining at the bustling Cardiff Market, offering local produce and unique finds.
- 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.
To find the cheapest bus tickets for your trip from Portsmouth to Cardiff, follow these tips:
Start your search now and compare ticket prices to find the best deal!
- National Express
- Two medium-sized suitcases up to 20kg each and one small piece of hand luggage.
- National Express
- 10€ per additional bag.
popular bus stations
Popular bus stations from Portsmouth to Cardiff
Wifi
Parking
Dining
ATM
Taxis
Accessibility
WC
Ticket Office
- 05:00-23:00
- Free Wi-Fi
- Café at The Hard (in the station)
- Fast Food Outlet (in the station).
- Available outside the main entrance.
- Elevators, ramps
- Available near the waiting area.
- Bus: 1, 2, 3, 7, 8, 13, 14 Train: South Western Railway, Southern, Great Western Railway
WifiParkingDiningATMTaxisAccessibilityWCTicket Office- 06:00-22:00
- Free Wi-Fi
- Café in the terminal (in the station)
- Fast-food outlet (in the station).
- Available outside the main entrance.
- Elevators, ramps
- Available in the station.
- Bus: 8, 20, 700 Train: Portsmouth Harbour
Most popular bus connections from Portsmouth
More options for your journey from Portsmouth to Cardiff
Here are some other resources that might have the information you need
Most popular buses to and from Cardiff and Portsmouth
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