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Portsmouth Harbour to Cardiff Central Train prices and times

Planning a journey from Portsmouth Harbour to Cardiff Central? Trip.com offers train tickets starting from as low as US$17.80, with average prices for this route around US$158.37. To ensure you get the most affordable fares, we suggest exploring alternatives like split tickets.

View More Trains
DepartureArrivalOperator
Find Tickets
18:10
4h 22m, Changes required
Portsmouth Harbour
22:32
Cardiff Central
Great Western Railway
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18:17
4h 19m, Changes required
Portsmouth Harbour
22:36
Cardiff Central
South Western RailwayCrossCountryGreat Western Railway
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19:10
4h 20m, Changes required
Portsmouth Harbour
23:30
Cardiff Central
Great Western Railway
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19:17
4h 19m, Changes required
Portsmouth Harbour
23:36
Cardiff Central
South Western RailwayCrossCountryGreat Western Railway
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20:17
10h 4m, Changes required
Portsmouth Harbour
06:21
+1
Cardiff Central
South Western RailwayGreat Western RailwayCrossCountry
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20:17
11h 48m, Changes required
Portsmouth Harbour
08:05
+1
Paris
South Western RailwayGreat Western Railway
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Portsmouth Harbour to Cardiff Central Train Route Details

First train
First train
06:37
Last train
Last train
22:06
Departure station
Departure station
Portsmouth Harbour
Arrival station
Arrival station
Cardiff Central
Journey time
Journey time
3h 55m
Distance
Distance
164 km
Price
Price
US$17.80*
Train operators
Train operators
CrossCountry, Great Western Railway, South Western Railway

How to book cheap train tickets from Portsmouth Harbour to Cardiff Central

Traveling in off-peak train times

Traveling in off-peak train times

Off-Peak train tickets are generally cheaper than peak-time tickets, allowing travel outside morning (6:30 AM–9:30 AM) and evening (4:00 PM–7:00 PM) rush hours on weekdays. If your schedule allows for flexibility, choosing off-peak times for your trip from Portsmouth Harbour to Cardiff Central can result in significant cost savings.
Get 1/3 off with a Railcard

Get 1/3 off with a Railcard

Railcards offer discounts of up to 1/3 on most tickets. There are various types of Railcards catering to different types of travelers, such as the 16–25 Railcard, the Family & Friends Railcard, and the Senior Railcard. For more information on Railcards and how they can help you save, visit Railcards here.
Split tickets to save an average extra 30%

Split tickets to save an average extra 30%

Splitting tickets involves buying separate, cheaper tickets for different parts of your journey on the same train instead of just one ticket for the entire trip. For instance, if you're traveling from Portsmouth Harbour to Cardiff Central, you might find that purchasing a ticket from A to C, then C to B costs less than a direct ticket. This method is perfectly legal and often doesn't require leaving your seat.
Book in advance to save an average of 61%

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 (ideally up to 12 weeks in advance), the greater the savings!
Travel in a group to save 1/3

Travel in a group to save 1/3

If you are traveling in a group of three to nine people, take advantage of group travel discounts, offered by most train companies, for a discount of up to 1/3 on standard fares. This can make traveling from Portsmouth Harbour to Cardiff Central more affordable for families, friends, or colleagues planning a trip together.

Portsmouth Harbour to Cardiff Central train ticket types

There are various ticket types available for this route, each with different benefits and restrictions. Explore below to see which ticket type is best suited to your travel needs:

Why Book Train Tickets With Trip.com?

  • Split Tickets

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  • Split Tickets

    Split Tickets

    Save an average of 30% on train fares by splitting your Portsmouth Harbour to Cardiff Central journey

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*After comparing the full year of 2023 for SplitTickets and full-price tickets on Trip.com, the average savings rate for SplitTickets is 30%.