How to travel from Cardiff to Portsmouth

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National Express
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Travel Information from Cardiff to Portsmouth

Distance102 miles (164 km)
Available travel modesTrain or bus
Ticket price range$20 - $63
Cheapest modeBus • $20 (€18) • 6 h 15 min
Fastest modeTrain • $63 (€57) • 3 h 16 min
Popular travel companiesNational 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 options
from Cardiff to Portsmouth

How to get from Cardiff to Portsmouth by train, bus or flight.

Our recommendation

bus

The best way to travel from Cardiff to Portsmouth is by taking a bus because it’s the best combination of price and speed.

National ExpressNX507 · NX030
04:00PM7h00
Cardiff, Sophia Gardens
11:00PMPortsmouth, The Hard Interchange
$271One-way
1 transfer

Cheapest

National ExpressNX509 · NX030
05:30PM7h00
Cardiff, Sophia Gardens
12:30AMPortsmouth, The Hard Interchange
$241One-way
1 transfer

Fastest

Great Western RailG04961 · G05609+South Western RailwayL48019
08:23AM3h50
Cardiff Central (CDF)
12:13PMPortsmouth & Southsea (PMS)
$1721One-way
2 transfers

Other options

Great Western RailG04891 · GW229500 · V32315
09:28AM4h18
Cardiff Central (CDF)
01:46PMPortsmouth & Southsea (PMS)
$1041One-way
2 transfers
Great Western RailG04889 · GW229600 · V32317
08:27AM4h19
Cardiff Central (CDF)
12:46PMPortsmouth & Southsea (PMS)
$1041One-way
2 transfers
Great Western RailG04963 · G05613+South Western RailwayL48023
09:19AM3h54
Cardiff Central (CDF)
01:13PMPortsmouth & Southsea (PMS)
$1721One-way
2 transfers
National ExpressNX509 · NX030
07:45PM6h30
Cardiff, Sophia Gardens
02:15AMPortsmouth, The Hard Interchange
$271One-way
1 transfer
National ExpressNX201 · NX030
07:30AM6h25
Cardiff, Sophia Gardens
01:55PMPortsmouth, The Hard Interchange
$551One-way
1 transfer
National ExpressNX507 · NX030
07:45AM7h10
Cardiff, Sophia Gardens
02:55PMPortsmouth, The Hard Interchange
$561One-way
1 transfer

Find all the dates and times for this journey by train, bus, flight, and ferry .

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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.

FAQs

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.

Your trip from Cardiff to Portsmouth doesn't have to end in Portsmouth. Many of our customers like to extend their vacation to explore other popular destinations like London, Southampton, Manchester, Birmingham or London Waterloo. If you’d like to add London, Southampton, Manchester, Birmingham or London Waterloo to your Cardiff to Portsmouth tour, check Omio for the best and cheapest ways to travel to any of these top destinations from Portsmouth today!
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