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Trains from Caerphilly to Portsmouth & Southsea

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CrossCountry
Great Western Railway

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  1. Home
  2. Train times
  3. Caerphilly to Portsmouth & Southsea

Trains to Portsmouth & Southsea from Caerphilly

First train

05:03

Last train

21:39

Departure stationCaerphilly
Arrival stationPortsmouth & Southsea
Journey time

From 3h 45m

Distance

106 miles (171 km)

Frequency

26 trains per day

Changes

1 change

Train operators

CrossCountry, Great Western Railway, South Western Railway, Transport for Wales

What are the train times from Caerphilly to Portsmouth & Southsea?

Check out the next trains departing from Caerphilly to Portsmouth & Southsea for Tuesday 17th November 2026 using our handy timetable below, including platform and live travel information. You can view the full day timetable or search for a different date here.
DepartsArrivesDuration
, 1 change
, 3 changes
, 1 change
, 3 changes
, 1 change
, 3 changes
, 1 change
, 1 change
, 1 change
, 1 change

What are the train times from Caerphilly to Portsmouth & Southsea?

Get from Caerphilly to Portsmouth & Southsea in as little as 3 hours 45 minutes on the fastest trains, so you can make the most of your time.

The average train journey from Caerphilly to Portsmouth & Southsea takes around 5 hours 7 minutes. There are around 26 trains that operate on this route daily.

As there are no direct trains between Caerphilly and Portsmouth & Southsea, you'll need to make 1 change.

Great Western Railway, Transport for Wales, South Western Railway and CrossCountry trains run on this route.

Booking in advance often results in cheaper ticket prices.

With our Journey Planner, you can check live train times, compare prices and check routes.

What do people frequently ask about the train journey from Caerphilly to Portsmouth & Southsea?

Want to know more about your journey from Caerphilly to Portsmouth & Southsea? We've compiled some of the most frequently asked questions by our customers to help you plan your journey.

How do I get from Caerphilly to Portsmouth & Southsea?

You can travel from Caerphilly to Portsmouth & Southsea by train in about 5 hours and 7 minutes. With around 26 trains running each day, taking the train is easy. Find out more in our Journey Planner.

How long is the train journey from Caerphilly to Portsmouth & Southsea?

On average, the train journey from Caerphilly to Portsmouth & Southsea takes around 5 hours and 7 minutes, with 26 trains per day. The duration may vary slightly depending on the specific train and any potential delays. Use our Journey Planner to check out more information.

What is the fastest train from Caerphilly to Portsmouth & Southsea?

The fastest trains from Caerphilly to Portsmouth & Southsea can cover the distance of 106 miles (171 km) in as little as 3 hours and 45 minutes.

Is there a direct train from Caerphilly to Portsmouth & Southsea?

No, you can’t travel from Caerphilly to Portsmouth & Southsea on a direct train, you’ll need to make at least 1 change during the journey.

How do I find cheap train tickets from Caerphilly to Portsmouth & Southsea?

As most UK train companies increase their prices as the departure date approaches, our Trainline team of experts have put together these tips to help you find the cheapest tickets.

1. Sign up to Ticket Alert

If you're planning a trip more than 12 weeks ahead, sign up to our Ticket Alert to get notified when Advance tickets are released for your travel date.

2. Use a Railcard

National Railcards offer a 1/3 off eligible train tickets in the UK and can be a great investment if you travel throughout the year. Buy one with us and you'll be able to store it digitally in our app, so you'll always have it on your travels.

3. Book split tickets

Our handy feature SplitSave will 'split' your train journey into multiple tickets, which can be much cheaper than buying a single ticket. Find out more about split tickets.

4. Travel Off-Peak

If you can be flexible with your travel times, Off-Peak and Super Off-Peak tickets are usually cheaper in the UK. Generally, Off-Peak times are any time at weekends and outside of Monday to Friday morning and evening rush hours.

5. Consider a Season Ticket

Best for commuters, if you catch a train on the same route more than 3 times per week, you could save money with a Season Ticket. With annual, monthly, weekly and flexi options available, find out if a Season Ticket for Caerphilly to Portsmouth & Southsea is right for you.

For more money-saving tips on UK and European train travel, read our cheap train tickets guide.

§Advance adult single fare. Excludes booking fee. Prices seen by Trainline customers in the last 30 days. Availability limited.
† Average savings on advance fares booked at least one week before day of travel vs Anytime fares purchased on day of travel. Subject to availability. Excludes coach.

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