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How to get from Cardiff to Portsmouth

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What is the best way to travel from Cardiff to Portsmouth?

Looking for a trip? Compare all the available Buses and Trains for the journey to Portsmouth from Cardiff. Check between different modes of transportation, look for the cheapest tickets, fastest rides and most popular stations, and see all 2 available companies to find your perfect trip!
Bus is the cheapest, while Train is the fastest way on this route
Transport type
Travel time
Cheapest price
Average price
Daily departures
Bus
6h 15m
£10
£18
27
Train
4h 5m
£74
£74
1

What is the cheapest way to reach Portsmouth from Cardiff?

You can get to Portsmouth with just £10 by taking a Bus from National Express, but you can find many more cheap offers: we have selected the best ones for next few days here for you.

today
tomorrow
from £14
Monday
from £13
Tuesday
from £12
Wednesday
Thursday
from £15
Friday
from £10

    Cheapest Buses tomorrow

  • National Express
    6h 15m
    0
    05:55
    Cardiff
    Coach Station
    12:10
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £14
  • National Express
    6h 59m
    0
    17:00
    Cardiff
    Coach Station
    23:59
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £15
  • National Express
    6h 30m
    0
    19:45
    Cardiff
    Coach Station
    02:15
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £17
  • National Express
    7h 0m
    0
    07:45
    Cardiff
    Coach Station
    14:45
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £20
  • National Express
    7h 15m
    0
    19:03
    Bristol Airport
    Bristol Airport
    02:18
    Portsmouth
    University
    0
    National Express
    Economy
    £25

    Cheapest Buses Monday

  • National Express
    7h 14m
    0
    16:45
    Cardiff
    Coach Station
    23:59
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £13
  • National Express
    6h 30m
    0
    19:45
    Cardiff
    Coach Station
    02:15
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £13
  • National Express
    7h 15m
    0
    07:30
    Cardiff
    Coach Station
    14:45
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £14
  • National Express
    7h 5m
    0
    19:13
    Bristol Airport
    Bristol Airport
    02:18
    Portsmouth
    University
    0
    National Express
    Economy
    £25
  • National Express
    7h 2m
    0
    19:13
    Bristol Airport
    Bristol Airport
    02:15
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £25

    Cheapest Buses Tuesday

  • National Express
    6h 50m
    0
    09:00
    Cardiff
    Coach Station
    15:50
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £12
  • National Express
    7h 0m
    0
    19:15
    Cardiff
    Coach Station
    02:15
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £12
  • National Express
    7h 5m
    0
    12:30
    Cardiff
    Coach Station
    19:35
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £20
  • National Express
    7h 44m
    0
    18:31
    Bristol Airport
    Bristol Airport
    02:15
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £24
  • National Express
    7h 47m
    0
    18:31
    Bristol Airport
    Bristol Airport
    02:18
    Portsmouth
    University
    0
    National Express
    Economy
    £24
  • Cheapest Trains Tuesday

  • Great Western Railway (GWR)
    4h 5m
    0
    05:07
    Cardiff
    Central Station
    09:12
    Portsmouth
    Portsmouth & Southsea Station
    0
    Great Western Railway (GWR)
    Economy
    from £74

    Cheapest Buses Thursday

  • National Express
    7h 0m
    0
    19:15
    Cardiff
    Coach Station
    02:15
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £15
  • National Express
    6h 50m
    0
    09:00
    Cardiff
    Coach Station
    15:50
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £18
  • National Express
    7h 5m
    0
    12:30
    Cardiff
    Coach Station
    19:35
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £18
  • National Express
    7h 44m
    0
    18:31
    Bristol Airport
    Bristol Airport
    02:15
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £26
  • National Express
    7h 47m
    0
    18:31
    Bristol Airport
    Bristol Airport
    02:18
    Portsmouth
    University
    0
    National Express
    Economy
    £26

    Cheapest Buses Friday

  • National Express
    6h 30m
    0
    19:45
    Cardiff
    Coach Station
    02:15
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £10
  • National Express
    7h 14m
    0
    16:45
    Cardiff
    Coach Station
    23:59
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £11
  • National Express
    7h 15m
    0
    07:30
    Cardiff
    Coach Station
    14:45
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £12
  • National Express
    7h 5m
    0
    19:13
    Bristol Airport
    Bristol Airport
    02:18
    Portsmouth
    University
    0
    National Express
    Economy
    £24
  • National Express
    7h 2m
    0
    19:13
    Bristol Airport
    Bristol Airport
    02:15
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £24

What are the fastest trips from Cardiff to Portsmouth?

You can get to Portsmouth from Cardiff in just 4h 5m with a Train from Great Western Railway (GWR). This is not the only option, and you can click on any of the offers below to compare it with the other modes of transportations.

today
tomorrow
from 6h 15m
Monday
from 6h 30m
Tuesday
from 4h 5m
Wednesday
Thursday
from 6h 50m
Friday
from 6h 30m

    Fastest Buses tomorrow

  • National Express
    6h 15m
    0
    05:55
    Cardiff
    Coach Station
    12:10
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £14
  • National Express
    6h 30m
    0
    19:45
    Cardiff
    Coach Station
    02:15
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £17
  • National Express
    6h 59m
    0
    17:00
    Cardiff
    Coach Station
    23:59
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £15
  • National Express
    7h 0m
    0
    07:45
    Cardiff
    Coach Station
    14:45
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £20
  • National Express
    7h 15m
    0
    19:03
    Bristol Airport
    Bristol Airport
    02:18
    Portsmouth
    University
    0
    National Express
    Economy
    £25

    Fastest Buses Monday

  • National Express
    6h 30m
    0
    19:45
    Cardiff
    Coach Station
    02:15
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £13
  • National Express
    7h 2m
    0
    19:13
    Bristol Airport
    Bristol Airport
    02:15
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £25
  • National Express
    7h 5m
    0
    19:13
    Bristol Airport
    Bristol Airport
    02:18
    Portsmouth
    University
    0
    National Express
    Economy
    £25
  • National Express
    7h 14m
    0
    16:45
    Cardiff
    Coach Station
    23:59
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £13
  • National Express
    7h 15m
    0
    07:30
    Cardiff
    Coach Station
    14:45
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £14

    Fastest Trains Tuesday

  • Great Western Railway (GWR)
    4h 5m
    0
    05:07
    Cardiff
    Central Station
    09:12
    Portsmouth
    Portsmouth & Southsea Station
    0
    Great Western Railway (GWR)
    Economy
    from £74
  • Fastest Buses Tuesday

  • National Express
    6h 50m
    0
    09:00
    Cardiff
    Coach Station
    15:50
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £12
  • National Express
    7h 0m
    0
    19:15
    Cardiff
    Coach Station
    02:15
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £12
  • National Express
    7h 5m
    0
    12:30
    Cardiff
    Coach Station
    19:35
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £20
  • National Express
    7h 44m
    0
    18:31
    Bristol Airport
    Bristol Airport
    02:15
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £24
  • National Express
    7h 47m
    0
    18:31
    Bristol Airport
    Bristol Airport
    02:18
    Portsmouth
    University
    0
    National Express
    Economy
    £24

    Fastest Buses Thursday

  • National Express
    6h 50m
    0
    09:00
    Cardiff
    Coach Station
    15:50
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £18
  • National Express
    7h 0m
    0
    19:15
    Cardiff
    Coach Station
    02:15
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £15
  • National Express
    7h 5m
    0
    12:30
    Cardiff
    Coach Station
    19:35
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £18
  • National Express
    7h 44m
    0
    18:31
    Bristol Airport
    Bristol Airport
    02:15
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £26
  • National Express
    7h 47m
    0
    18:31
    Bristol Airport
    Bristol Airport
    02:18
    Portsmouth
    University
    0
    National Express
    Economy
    £26

    Fastest Buses Friday

  • National Express
    6h 30m
    0
    19:45
    Cardiff
    Coach Station
    02:15
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £10
  • National Express
    7h 2m
    0
    19:13
    Bristol Airport
    Bristol Airport
    02:15
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £24
  • National Express
    7h 5m
    0
    19:13
    Bristol Airport
    Bristol Airport
    02:18
    Portsmouth
    University
    0
    National Express
    Economy
    £24
  • National Express
    7h 14m
    0
    16:45
    Cardiff
    Coach Station
    23:59
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £11
  • National Express
    7h 15m
    0
    07:30
    Cardiff
    Coach Station
    14:45
    Portsmouth
    The Hard Interchange
    0
    National Express
    Economy
    £12
Here you will find all operators and timetables for a Bus from Cardiff to Portsmouth

What are the most popular stations in Cardiff and Portsmouth?

In Cardiff, you will usually depart from Central Station, Bus Interchange or National Museum, while in Portsmouth you will be arriving at Gunwharf, City Shops South (Stop D) Bus Station or Southsea Hoverport, but there are many more stops to explore in both locations.

How do I decide? Some tips and tricks from our experience

Are you having trouble deciding on how to get to Portsmouth from Cardiff? With 5 connections between 2 Bus and Train operators, it can be difficult to find the one ride that will make you happy. But we have some tips that can help you make the best informed decision. First of all, the best trip is always the one that meets all your needs, so make a list of all the things that you want from this journey and look for something that will satisfy all of them. Here we will go through some of the factors mostly commonly taken into consideration.

Look for the lowest price

Ticket price is usually the main concern: even if you can afford to pay more, why do it if there are cheaper options? Saving on the trip means that you can spend more on the vacation itself! Between Cardiff and Portsmouth, you can pay as low as £10 with a Bus from National Express.

Travel duration

Time is also an important factor. An earlier departure may allow you to see a beautiful sunset or relax before an important event. And remember, time is money, so paying more for a shorter trip may be well worth it. For longer distances, flights are without doubt the best options, but be mindful of airport times and possible delays: a high-speed train may end up cheaper and faster! Here the quicker option is definitely the Train from Great Western Railway (GWR): you will get to Portsmouth in just 4h 5m.

Comfort makes all the difference

You should always take into account what your personal travelling preferences are. Is one hand luggage enough, or are you trasporting more? Would you like to have a snack during the journey? Can you relax in a busy compartment, or do you need space for yourself? Even among the same mode of transportation, different companies will offer you varying levels of comfort and amenities. The main operators connecting Cardiff and Portsmouth are National Express and Great Western Railway (GWR), but be sure to check what they have to offer!

Save money with deals, and always compare

One last tip? Even if you live in Cardiff and Portsmouth is your only destination, it may be wise to check the offers from and to nearby cities or, if you are flyng, nearby airports. Check the trips from Newlyn or to Hilsea, and look at flights from Cardiff Airport, and landing at Southampton Airport. Comparing different routes may allow you to find deals or promotions you were not aware of. Consider also signing up to CheckMyBus to see even more exclusive promotions!

Which companies offer a trip from Cardiff to Portsmouth?

The most popular companies between Cardiff and Portsmouth, are National Express and Great Western Railway (GWR). Be sure to check their seat class offers and the amenities that they provide.

Bus companies: National Express

Train companies: Great Western Railway (GWR)

All you need to know when you travel from Cardiff to Portsmouth

Check all information on comfort and services on all modes of transports from Cardiff to Portsmouth. See which seat classes are available, and what amenities are other advantages offered by the operators on your journey.

FAQs about the trip from Cardiff to Portsmouth

How can I reach Portsmouth from Cardiff?

Every day, there are on average 5 connections between Bus and Train, with which you can get to Portsmouth from Cardiff.

How far is Portsmouth from Cardiff?

The distance between Cardiff and Portsmouth is 163.8 km.

What is the most ecofriendly mode of transport between Cardiff and Portsmouth?

Trains and buses are by far the greenest options, with trains surpassing buses on longer routes. Planes will always be the worst polluters, especially in shorter flights, were the emissions from the takeoff and landing are less offset by the distance. On this particular route, a bus will emit, per person, a total of 4 kgs of CO2, a train 6 kgs, a car 28 kgs, and a flight 40 kgs.

What is the cheapest mode of transport from Cardiff to Portsmouth?

You can get to Portsmouth with just £10 by taking a Bus from National Express.

What is the fastest way to get from Cardiff to Portsmouth?

While a plane is travelling fastest boarding and transfer to airport consumes a lot of time. Usually, high speed trains are better than flights if pure train travel time is below 4 hours. For this particular route, you can get to Portsmouth in just 4h 5m with a Train from Great Western Railway (GWR).

More routes to Cardiff and to Portsmouth

Looking for more options? Here you can see the most popular routes to Cardiff and to Portsmouth. Simply click on a connection, and you’ll find all the details about the route!

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