4.9
4.6
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 an average ticket price of $55 For those with little time, consider booking a train, which has an average total journey time of 3h 44m. If you are seeking to minimise your carbon footprint, the train is your best option, with estimated CO2 emissions of 0.0 - 0.1kg. Average ticket prices depend on the travel mode: a bus costs an average of $55, while a train costs an average of $101.
Distance: 101 miles (164 km)
Compare train with
Most popular Train | Bus | Driving |
|---|---|---|
$101 Average price | $55 Average price Cheapest | $49 Average price (fuel + tolls) |
3h 44m Average total duration Fastest 3h 14m Onboard + 30m Additional time* | 5h 56m Average total duration 5h 26m Onboard + 30m Additional time* | 2h 52m Average total duration (door-to-door) |
0.0 - 0.1kg CO2 emissions Lowest | 0.2 - 0.4kg CO2 emissions | - CO2 emissions |
 Most popular train company |  Most popular bus company | Your own car or car rental |
Direct Options | Direct Options | Direct Options |
Additional time: Average total travel duration to departure point, security checks and transfers.
This is compared to other travel options from Portsmouth to Cardiff:
A bus is $47 less than a train for this route with tickets for a train from Portsmouth to Cardiff costing on average $101.
Other travel options to Cardiff take longer:
Bus takes on average 5h 56m.
Tickets start at around $101 compared to roughly $49 in fuel and tolls — a saving of about -$52. The journey takes 3h 14m versus 2h 52m by car, so you'll arrive a bit later, but you can work, read, or sleep along the way rather than spending the time behind the wheel. You'll also save the hassle of parking at the other end.
Driving is worth it if you're on a tight schedule, travelling as a group, or want to stop somewhere en route.
Travel optionsfrom Portsmouth to Cardiff
How to get from Portsmouth to Cardiff by train, bus or flight.
Our recommendation
The best way to travel from Portsmouth to Cardiff is by taking a bus because it’s the best combination of price and speed.
- NX030 · NX50712:35 PM7h15Portsmouth, The Hard Interchange7:50 PMCardiff, Sophia Gardens$391One-way1 transfer
Cheapest
- NX030 · NX50712:35 PM7h15Portsmouth, The Hard Interchange7:50 PMCardiff, Sophia Gardens$391One-way1 transfer
Fastest
- G1500910:27 AM3h18Portsmouth & Southsea (PMS)1:45 PMCardiff Central (CDF)$1061One-way0 transfers
Other options
- G150058:27 AM3h19Portsmouth & Southsea (PMS)11:46 AMCardiff Central (CDF)$1061One-way0 transfers
- G150079:27 AM3h22Portsmouth & Southsea (PMS)12:49 PMCardiff Central (CDF)$1061One-way0 transfers
- G15128 · W34618+
L795929:19 AM3h18Portsmouth & Southsea (PMS)12:37 PMCardiff Central (CDF)$1741One-way2 transfers
- NX030 · NX2018:10 PM5h30Portsmouth, The Hard Interchange1:40 AMCardiff, Sophia Gardens$481One-way1 transfer
- NX030 · NX2014:45 PM5h55Portsmouth, The Hard Interchange10:40 PMCardiff, Sophia Gardens$501One-way1 transfer
- NX030 · NX2021:50 PM6h10Portsmouth, The Hard Interchange8:00 PMCardiff, Sophia Gardens$501One-way1 transfer
Find all the dates and times for this journey by train, bus, flight, and ferry .
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FAQs: Travel from Portsmouth to Cardiff
Travel to Cardiff easily. Whether you want fast, cheap or something entirely different, our travel experts have collected everything you need to know so you can find the best option from Portsmouth to Cardiff.
This is compared to other travel options from Portsmouth to Cardiff:
A bus is $47 less than a train for this route with tickets for a train from Portsmouth to Cardiff costing on average $101.
Other travel options to Cardiff take longer:
Bus takes on average 5h 56m.
- Around 9 buses per day.
- Around 6 trains per day.
However, we recommend checking specific travel dates for your route between Portsmouth and Cardiff as scheduled services by train and bus can vary by season or day of the week.
- Trains mostly depart from Portsmouth & Southsea (PMS) and arrive in Cardiff Central (CDF).
- Buses mostly depart from Portsmouth, The Hard Interchange and arrive in Cardiff, Sophia Gardens.
- Ferries mostly depart from Lymington Pier and arrive in Yarmouth.
- Travel with National Express to go to Cardiff by bus.
- Travel with Great Western Railway to go to Cardiff by train.
- 4 direct trains per day with Great Western Railway.
Travelling from Portsmouth to Cardiff: related information
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