Travel Information from Cardiff to Portsmouth
| 102 miles (164 km) | |
| Train or bus | |
| $20 - $63 | |
| Bus • $20 (€18) • 6 h 15 min | |
| Train • $63 (€57) • 3 h 16 min | |
| National Express or Great Western Rail |
Take a train or bus to travel 102 miles (164 km) between Cardiff and Portsmouth. The most popular travel companies which serve this trip are National Express or Great Western Rail among others. Travelers can even take a direct bus or train from Cardiff to Portsmouth.
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 · NX030Cheapest
NX509 · NX030Fastest
G04961 · G05609+
L48019Other options
G04891 · GW229500 · V32315
G04889 · GW229600 · V32317
G04963 · G05613+
L48023
NX509 · NX030
NX201 · NX030
NX507 · NX030Find all the dates and times for this journey by train, bus, flight, and ferry .
Compare prices and tickets Prices for trains, buses and flights
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 07
Nov 08
Nov 09
Nov 10
Nov 11
Nov 12
Nov 13
More than 1,000 travel companies trust us to sell their tickets all in one place.
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.

There are 2 travel options to Portsmouth from Cardiff. You can take a train or bus.
The cheapest way to go to Portsmouth from Cardiff is by taking a bus, which costs on average $20 (€18).
This is compared to other ways of getting from Cardiff to Portsmouth:
A bus is $43 (€39) less than a train with an average ticket price of $63 (€57) from Cardiff to Portsmouth.
The fastest way from Cardiff to Portsmouth is by train with an average journey time of 3 h 16 min.
There are alternative travel options to Portsmouth that take longer:
Getting to Portsmouth by bus takes 6 h 15 min on average.
You should expect to travel around 102 miles (164 km) between Cardiff and Portsmouth.
The average frequency per day from Cardiff to Portsmouth is:
- 6 buses a day.
- 6 trains a day.
However, we recommend checking specific travel dates for your trip to Portsmouth from Cardiff as scheduled services by train or bus can vary by season or day of the week.
These are the most popular departure and arrival points when traveling from Cardiff to Portsmouth:
- Most travelers board their train from Cardiff Central and arrive in Portsmouth Harbour.
The following travel companies offer services from Cardiff to Portsmouth:
- National Express can take you to Portsmouth by bus. If searching for a good deal on buses, you can find tickets for National Express from Cardiff to Portsmouth for $20 (€18).
- Travel with Great Western Rail or first_great_western for trains to Portsmouth. If you’re looking for a good deal on tickets, check for Great Western Rail Cardiff to Portsmouth tickets on Omio for $63 (€57).
Yes, there are direct routes from Cardiff to Portsmouth with the following travel companies:
- You can check for a direct train to Portsmouth with Great Western Rail or first_great_western with 3 direct trains per day.
Direct services to Portsmouth tend to save you time and add more convenience as you won't need to transfer at another stop in between, so it's worth paying attention to before booking tickets for your trip.
Travelling from Cardiff to Portsmouth: related information
Here are some other resources that might have the information you need
