Portsmouth

Cardiff to Portsmouth Trains From AU$25.94

  • No Booking Fees

    No Booking Fees in App

    Only pay for your train travel – no hidden fees

  • Live Train Fares and Times

    Live Fares and Times

    View rail status, departure info and compare prices

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    National Rail Partners

    Official train ticket sellers with 5-star customer service

  • E-tickets Available

    E-tickets Available

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  • Work with Trusted Partners

    Trusted Operators

    We bring all train operators together for easier rail travel

Buy cheap train tickets from Cardiff to Portsmouth for just AU$25.94. Book in advance to secure the most affordable fare, instead of the average ticket price of AU$159.57. The train journey from Cardiff to Portsmouth typically takes approximately 3h 14m. You can expect a frequency of 24 trains available daily. For further information, please consult our Train Journey Planner and Train Timetable.

Cardiff to Portsmouth Train Prices and Times

To find the cheapest train tickets from Cardiff to Portsmouth, it is recommended to book in advance and avoid traveling during peak times. Compare train prices and times below for the best deals on rail fares.

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  1. 05:07
    Cardiff Central
    09:12
    Portsmouth & Southsea
    4h 5m, No direct
    Great Western RailwaySouth Western Railway
  2. 06:28
    Cardiff Central
    09:47
    Portsmouth & Southsea
    3h 19m, Direct
    Great Western Railway
  3. 07:28
    Cardiff Central
    10:47
    Portsmouth & Southsea
    3h 19m, Direct
    Great Western Railway
  4. 08:28
    Cardiff Central
    11:47
    Portsmouth & Southsea
    3h 19m, Direct
    Great Western Railway
  5. 08:37
    Cardiff Central
    12:43
    Portsmouth & Southsea
    4h 6m, No direct
    Great Western RailwaySouth Western Railway
  6. 09:28
    Cardiff Central
    12:47
    Portsmouth & Southsea
    3h 19m, Direct
    Great Western Railway
  7. 10:30
    Cardiff Central
    13:47
    Portsmouth & Southsea
    3h 17m, Direct
    Great Western Railway
  8. 10:41
    Cardiff Central
    14:43
    Portsmouth & Southsea
    4h 2m, No direct
    Great Western RailwaySouth Western Railway
  9. 11:30
    Cardiff Central
    14:47
    Portsmouth & Southsea
    3h 17m, Direct
    Great Western Railway
  10. 11:50
    Cardiff Central
    15:43
    Portsmouth & Southsea
    3h 53m, No direct
    Great Western RailwaySouth Western Railway
  1. 11:50
    Cardiff Central
    15:43
    Paris
    3h 53m, No direct
    Great Western Railway
    View More Trains
  2. Cardiff to Portsmouth Train Route Details

    The Cardiff to Portsmouth train ticket is AU$25.94. The average travel time is 3h 14m, covering a distance of approximately 163 miles. There are usually 24 daily trains provided by South Western Railway. To plan your train journey in advance, please refer to our train route table.

    First train
    05:07
    Last train
    22:18
    Departure station
    Cardiff
    Arrival station
    Portsmouth
    Journey time
    3h 14m
    Distance
    163 miles
    Price
    AU$25.94
    Train Operators
    South Western Railway

    Choose Cardiff to Portsmouth Train Ticket Types

    Find the train ticket type that best suits your travels from Cardiff to Portsmouth. Discover more about these ticket types and how they can help you save in our guides below.

    Off-Peak & Super-Off Peak train tickets

    Off-Peak & Super-Off Peak train tickets

    Off-Peak tickets are cheaper and more flexible, allowing for travel during less busy times. Super Off-Peak tickets are even cheaper and are perfect for less conventional schedules.

    Learn More
    Return train tickets

    Return train tickets

    Valid for both an outward and return journey from the same destination on your chosen route.

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    Advance train tickets

    Advance train tickets

    Typically the most cost-effective option for train travel. They are usually available for purchase 12 weeks before the travel date.

    Learn More
    Season train tickets

    Season train tickets

    Season tickets allow unlimited travel between two stations and can save you more than 1/3 on train fares.

    Learn More

    See More TIcket Types

    Save 1/3 on Cardiff to Portsmouth Trains with Railcards

    Railcards offering up to 1/3 off Cardiff to Portsmouth train fares for eligible passengers. There are Student Railcards for young people, Senior Railcard for seniors, check below to find the railcard type that suits you best.

    TypeDiscount
    16-25 Railcard1/3 OFFFrom AU$159.57 Save AU$52.66
    26-30 Railcard1/3 OFFFrom AU$159.57 Save AU$52.66
    Two Together Railcard1/3 OFFFrom AU$159.57 Save AU$52.66
    Senior Railcard1/3 OFFFrom AU$159.57 Save AU$52.66

    Learn More

    Save More on Cardiff to Portsmouth Train Fares

    Book in Advance

    Book in Advance

    Advanced train tickets are typically the most cost-effective option for train travel. They are usually available for purchase 12 weeks before the travel date.

    Group Travel

    Group Travel

    Get a 1/3 discount on Off-Peak tickets through GroupSave if you are travelling with a group of 3 to 9 adults.

    Season Tickets

    Season Tickets

    A weekly or monthly train pass which includes unlimited travel between two stations. It could help you save more than 1/3 on train fares.

    Flexi Travel

    Flexi Travel

    8 days of unlimited travel between two stations within a 28-day period.

    Cardiff to Portsmouth train FAQs

    • When is the first train from Cardiff to Portsmouth?

      The first train from Cardiff to Portsmouth is at 05:07.
    • Are there direct trains from Cardiff to Portsmouth?

      No, there is no direct train from Cardiff to Portsmouth, and passengers would need to make 2 changes during the journey.
    • How long is the train journey from Cardiff to Portsmouth ?

      The train journey from Cardiff to Portsmouth typically takes an average of 3h 55m, with the fastest journey duration being around 3h 14m.
    • How much is a train from Cardiff to Portsmouth ?

      The cost of a train from Cardiff to Portsmouth can vary, with the cheapest fare typically starting at AU$25.94 and the average price being around AU$159.57.
    • What times are off-peak trains from Cardiff to Portsmouth ?

      In general, the off-peak period typically starts after 09:30 and excludes the evening rush hours of 15:30–18:15 for travel to and from major cities. The specific times may differ depending on the route and train company, but generally, you can expect off-peak times to fall outside the usual commuting hours. For Transport for London, off-peak times are observed on weekdays from the first service until 06:30, from 09:30 to 16:00, and after 19:00.