COMPARE Prices across different modes

Sun
24 Oct
£65Great Western Railway
£38National Express
Mon
25 Oct
£40Great Western Railway
£19National Express
Fri
29 Oct
£40Great Western Railway
£21National Express
Sat
30 Oct
£40Great Western Railway
£13National Express
Mon
1 Nov
Find prices
£14National Express
Tue
2 Nov
£40Great Western Railway
£11National Express
Wed
3 Nov
£40Great Western Railway
£11National Express
Fri
5 Nov
£39Great Western Railway
£11National Express

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Train Information to Cardiff from Portsmouth

distanceDistance102 miles (164 km)
durationAverage train duration3 h 23 min
priceAverage train ticket price£46 (€52)
frequencyTrain frequency25 a day
changesDirect trainYes, there are 25 direct trains a day
carriersTrain companiesGreat Western Railway

Trains from Portsmouth to Cardiff cover the 102 miles (164 km) long route taking on average 3 h 23 min with our travel partners like Great Western Railway. Normally, there are 25 trains operating per day, including direct services available. You can get the cheapest train tickets for this trip for as low as £40, but the average price of train tickets is £46. Travellers depart most frequently from Portsmouth & Southsea and arrive in Cardiff Central.

Travel Tips

Trains from Portsmouth to Cardiff
Travel by train 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.
FAQs
How much do cheap trains from Portsmouth to Cardiff cost?
You can find a cheap train from Portsmouth to Cardiff for some dates and times for as low as £40  one way in the next 7 days.
What is the cost of a train ticket from Portsmouth to Cardiff on average?
If you’re looking to book tickets for this trip in the next 7 days, you’ll find that Portsmouth to Cardiff train prices are on average £46  one way.
What is the distance by train from Portsmouth to Cardiff?
The distance between Portsmouth and Cardiff by train is approximately 102 miles (164 km).
What is the average Portsmouth to Cardiff train duration?
While the time it takes to travel 102 miles (164 km) from Portsmouth to Cardiff can vary based on specific dates, weekends, and bank holidays, the train duration from Portsmouth to Cardiff is on average 3 h 23 min.
When travelling by train from Portsmouth to Cardiff, which train station in Portsmouth do I depart from and which train station in Cardiff do I arrive in?

Some of the Portsmouth train stations to Cardiff you can start your journey from include Portsmouth & Southsea and Portsmouth Harbour. Similarly, some of the arrival train stations in Cardiff include Cardiff Central, Cardiff (Queen Street) and Cardiff (Cathays).

When travelling this route, Omio customers are departing most frequently from Portsmouth & Southsea   and arriving in Cardiff Central.

Where is the departure train station in Portsmouth located? Where is the arrival train station in Cardiff located?

The most popular departure train station with passengers for this trip, called Portsmouth & Southsea, is located 0 mile (s) / 0 km from the city centre of Portsmouth.

The most popular arrival train station, Cardiff Central, is located 0 mile (s) / 0 km away from the city centre of Cardiff.

Which train companies can take me from Portsmouth to Cardiff?
Take the Portsmouth to Cardiff train with Great Western Railway. However, it's always good to check out all possible train companies for the route from Portsmouth to Cardiff as there might be differences in the amenities they offer.
How many trains are there from Portsmouth to Cardiff a day?
On average, there are 25 trains a day from Portsmouth to Cardiff. The train times and services may be different on weekends and holidays compared to weekdays.
When does the first train depart from Portsmouth to Cardiff? When does the last train depart from Portsmouth to Cardiff?
The first train from Portsmouth to Cardiff leaves at 07: 42   and the last train for this leaves at 10: 23. Omio shows you the latest train from Portsmouth to Cardiff timetable to help you book the best departure time for this trip.
How far in advance should I buy a train ticket from Portsmouth to Cardiff to get the best deals?
The price of a one way train ticket from Portsmouth to Cardiff is on average £46 if you buy within the next 7 days. But we recommend booking tickets before your planned travel date to find the best prices for trains from all possible train companies offering this journey. In general, you can find train tickets between Portsmouth and Cardiff available a few months in advance.

Important Stations and Airports for this Journey

Portsmouth
Cardiff
Portsmouth & Southsea is the most popular Portsmouth railway station for Omio travellers, but it's not the only one. Read all the information you need to know about the main train stations in Portsmouth for your journey to Cardiff.