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Travel Information
Compare train and bus for Cardiff to Portsmouth
Omio recommends booking the train as it is the most popular option from Cardiff to Portsmouth among Omio's users. If you are prioritising price take the bus with prices starting from $19. For those with little time consider booking a train which can get you there in 3h 20m. 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 $19, and a train costs an average of $42.
Distance: 101 miles (164 km)
Compare train with
Most popular Train | Bus | Driving |
|---|---|---|
$96 Average price | $40 Average price Cheapest | $49 Average price (fuel + tolls) |
3h 50m Average total duration Fastest 3h 20m Onboard + 30m Additional time* | 6h 46m Average total duration 6h 16m 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 Cardiff to Portsmouth:
A bus is $56 less than a train for this route with tickets for a train from Cardiff to Portsmouth costing on average $96.
Other travel options to Portsmouth take longer:
Bus takes on average 6h 16m.
Travel optionsfrom Cardiff to Portsmouth
How to get from Cardiff to Portsmouth by train, bus or flight.
Our recommendation
The best way to travel from Cardiff to Portsmouth is by taking a bus because it’s the best combination of price and speed.
- NX507 · NX0305:15 AM6h50Cardiff, Sophia Gardens12:05 PMPortsmouth, International Port$561One-way1 transfer
Cheapest
- NX507 · NX0305:15 AM6h50Cardiff, Sophia Gardens12:05 PMPortsmouth, International Port$561One-way1 transfer
Fastest
- G1501011:30 AM3h17Cardiff Central (CDF)2:47 PMPortsmouth & Southsea (PMS)$1071One-way0 transfers
Other options
- G150069:28 AM3h19Cardiff Central (CDF)12:47 PMPortsmouth & Southsea (PMS)$981One-way0 transfers
- W349748:27 AM3h20Cardiff Central (CDF)11:47 AMPortsmouth & Southsea (PMS)$981One-way0 transfers
- G1500810:30 AM3h17Cardiff Central (CDF)1:47 PMPortsmouth & Southsea (PMS)$1071One-way0 transfers
- NX509 · NX03012:30 PM7h00Cardiff, Sophia Gardens7:30 PMPortsmouth, International Port$641One-way1 transfer
- NX509 · NX0309:00 AM6h50Cardiff, Sophia Gardens3:50 PMPortsmouth, International Port$671One-way1 transfer
Find all the dates and times for this journey by train, bus, flight, and ferry .
Compare prices and tickets Prices for trains, buses and flights
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FAQs: Travel from Cardiff to Portsmouth
Travel to Portsmouth 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 Cardiff to Portsmouth.
This is compared to other travel options from Cardiff to Portsmouth:
A bus is $56 less than a train for this route with tickets for a train from Cardiff to Portsmouth costing on average $96.
Other travel options to Portsmouth take longer:
Bus takes on average 6h 16m.
- Around 9 buses per day.
- Around 6 trains per day.
However, we recommend checking specific travel dates for your route between Cardiff and Portsmouth as scheduled services by train and bus can vary by season or day of the week.
- Ferries mostly depart from Yarmouth and arrive in Lymington Pier.
- Trains mostly depart from Cardiff Central (CDF) and arrive in Portsmouth & Southsea (PMS).
- Buses mostly depart from Cardiff, Sophia Gardens and arrive in Portsmouth, The Hard Interchange.
- Travel with National Express to go to Portsmouth by bus.
- Travel with Great Western Railway, Great Western Railway (GWR) to go to Portsmouth by train.
- 4 direct trains per day with Great Western Railway, Great Western Railway (GWR).
Travelling from Cardiff to Portsmouth: related information
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