Trains from Cardiff to Portsmouth & Southsea from $17.46*

Trains from Cardiff to Portsmouth & Southsea from $17.46*

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Cardiff to Portsmouth & Southsea Train prices and times

Looking to travel from Cardiff to Portsmouth & Southsea? You can buy train tickets with Trip.com for as low as $17.46, with average prices for this route around $122.20.

To get the best deals, we recommend buying in advance and researching alternatives such as split tickets.

  • Sep 25
    Wed
    From $17.46
  • Sep 26
    Thu
    From $17.46
  • Sep 27
    Fri
    From $17.46
  • Sep 28
    Sat
    From $17.46
  • Sep 29
    Sun
    From $17.46
  • Sep 30
    Mon
    From $17.46
  • Oct 1
    Tue
    From $17.46
  • 05:12
    Cardiff Central
    09:12
    Portsmouth & Southsea
    4h 0m, Changes required
    Great Western RailwaySouth Western Railway
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  • 06:28
    Cardiff Central
    09:48
    Portsmouth & Southsea
    3h 20m, Direct
    Great Western Railway
    Find Tickets
  • 06:53
    Cardiff Central
    10:45
    Portsmouth & Southsea
    3h 52m, Changes required
    Great Western RailwaySouth Western Railway
    Find Tickets
  • 07:28
    Cardiff Central
    10:48
    Portsmouth & Southsea
    3h 20m, Direct
    Great Western Railway
    Find Tickets
  • 08:28
    Cardiff Central
    11:47
    Portsmouth & Southsea
    3h 19m, Direct
    Great Western Railway
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  • 08:37
    Cardiff Central
    12:44
    Paris
    4h 7m, Changes required
    Great Western RailwaySouth Western Railway
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    View More Trains

Cardiff to Portsmouth & Southsea Train Route Details

The Cardiff to Portsmouth & Southsea train ticket is from $17.46. The average travel time is 3h 15m, covering a distance of approximately 164 mile. There are usually 25 daily trains provided by Great Western Railway,South Western Railway,CrossCountry. To plan your train journey in advance, please refer to our train route table below.

First train
First train
05:12
Last train
Last train
23:30
Departure station
Departure station
Arrival station
Arrival station
Journey time
Journey time
3h 15m
Distance
Distance
164 mile
Price
Price
$17.46*
Train operators
Train operators
Great Western Railway, South Western Railway, CrossCountry

Cardiff to Portsmouth & Southsea Train Travel Guide

Cardiff to Portsmouth & Southsea Train Travel Guide

Arriving in Portsmouth & Southsea

Every day, up to 25 train depart from Cardiff and arrive in Portsmouth & Southsea, with the shortest journey taking 3h 15m minutes.

Book cheap train tickets from Cardiff to Portsmouth & Southsea

Let's save unnecessary costs when traveling from Cardiff to Portsmouth & Southsea by taking trains. The best way to find cheap train tickets is through Trip.com. We offer various discounted tips that can guide you towards a more affordable journey, such as using Railcards, Season Tickets, or Split Tickets. Explore the options below for more choices.

Travel in a group to save 1/3

If you are traveling in a group of three to nine people, you can benefit from group travel discounts. Many train companies offer GroupSave options, which provide a discount of up to 1/3 on standard fares. This makes traveling from Cardiff to Portsmouth & Southsea more affordable for families, friends, or colleagues planning a trip together.

Traveling during off-peak hours

The important thing to note about Off-Peak train tickets is the designated off-peak time. In large cities and towns, the off-peak time for train travel from Cardiff to Portsmouth & Southsea usually starts at 9:30 am from Monday to Friday, while in other areas it starts at 9:00 am. By planning your journey during these off-peak hours, you can take advantage of cheaper and more comfortable train fares, ensuring a smoother travel experience and avoiding the crowded peak hours.

Book in advance to save an average of 61%

Did you know that purchasing Advance Tickets can significantly reduce your travel expenses? On average, these tickets can save you an impressive 61% on fares. The best part is that the earlier you book them, the greater the savings. It's recommended to secure your Advance Tickets as soon as possible, ideally up to 12 weeks in advance. By doing so, you'll not only enjoy substantial discounts but also have peace of mind knowing that you've secured the most affordable option for your journey from Cardiff to Portsmouth & Southsea.

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*Prices are dynamic and subject to change. Ticket prices vary based on time of day, route, and class. Prices shown do not include split ticket and Railcard discounts.