Trains from Portsmouth to Cardiff from $16.42*

Trains from Portsmouth to Cardiff from $16.42*

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Portsmouth to Cardiff Train prices and times

Planning a journey from Portsmouth to Cardiff? Trip.com offers train tickets starting from as low as $16.42, with average prices for this route around $105.09. To ensure you get the most affordable fares, we suggest exploring alternatives like split tickets.

  • Mon, Nov 18
    From $16.42
  • Tue, Nov 19
    From $16.42
  • Wed, Nov 20
    From $16.42
  • Thu, Nov 21
    From $16.42
  • Fri, Nov 22
    From $16.42
  • Sat, Nov 23
    From $16.42
  • Sun, Nov 24
    From $16.42
DepartureArrivalDurationOperator
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12:00
Portsmouth & Southsea
15:35
Cardiff Central
3h 35m, Changes requiredSouth Western RailwayGreat Western Railway
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12:27
Portsmouth & Southsea
15:52
Cardiff Central
3h 25m, DirectGreat Western Railway
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13:00
Portsmouth & Southsea
16:36
Cardiff Central
3h 36m, Changes requiredSouth Western RailwayCrossCountryGreat Western Railway
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13:27
Portsmouth & Southsea
16:45
Cardiff Central
3h 18m, DirectGreat Western Railway
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14:00
Portsmouth & Southsea
17:37
Cardiff Central
3h 37m, Changes requiredSouth Western RailwayGreat Western Railway
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14:27
Portsmouth & Southsea
17:50
Paris
3h 23m, DirectGreat Western Railway
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Portsmouth to Cardiff Train Route Details

The Portsmouth to Cardiff train ticket is from $16.42. The average travel time is 3h 17m, covering a distance of approximately 163 mile. There are usually 36 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
04:30
Last train
Last train
22:35
Departure station
Departure station
Arrival station
Arrival station
Journey time
Journey time
3h 17m
Distance
Distance
163 mile
Price
Price
$16.42*

Portsmouth to Cardiff Train Travel Guide

Portsmouth to Cardiff Train Travel Guide

Arriving in Cardiff

Take a look at the basic information from Portsmouth to Cardiff, departing from Portsmouth & Southsea. It takes approximately 3h 17m to arrive at Cardiff Central.

Book cheap train tickets from Portsmouth to Cardiff

It doesn’t need to be difficult to find cheap train tickets from Portsmouth to Cardiff. If you know where to look and how to take advantage of available discounts and travel options, then saving money with Trip.com becomes second nature. Here are some of our top tips to help you save money on your train travel.

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 Portsmouth to Cardiff 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.

Travel in a group to save 1/3

If you are traveling in a group of three to nine people, you can take advantage of group travel discounts. Many train companies offer GroupSave options that provide a discount of up to 1/3 on off-peak fares. This can make traveling from Portsmouth to Cardiff more affordable for families, friends, or colleagues planning a trip together.

Split Tickets to save an average extra 30%

Splitting your tickets involves buying separate tickets for different parts of your journey instead of one ticket for the entire trip. This method can often be cheaper and is perfectly legal. For instance, if you're traveling from A to B, you might find that purchasing a ticket from A to C, then C to B costs less than a direct ticket.

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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.