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Southampton to Cardiff Bay train prices and times

Looking to travel from Southampton to Cardiff Bay? You can buy train tickets with Trip.com for as low as CNY 223.68, with average prices for this route around CNY 1,042.51.

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

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Departs	Arrives	Find Tickets
09:11 3h 13m, No direct Southampton Central	12:24 Cardiff Bay	Find Tickets
09:23 3h 13m, No direct Southampton Airport Parkway	12:36 Cardiff Bay	Find Tickets
10:11 3h 13m, No direct Southampton Central	13:24 Cardiff Bay	Find Tickets
10:23 3h 31m, No direct Southampton Airport Parkway	13:54 Cardiff Bay	Find Tickets
11:10 2h 56m, No direct Southampton Central	14:06 Cardiff Bay	Find Tickets
11:23 2h 43m, No direct Southampton Airport Parkway	14:06 Paris	Find Tickets

Southampton to Cardiff Bay train route details

First train

05:23

Last train

22:06

Departure station

Southampton

Arrival station

Cardiff Bay

Journey time

2h 43m

Distance

86 miles

Price

CNY 223.68*

Train Operators

CrossCountry, Great Western Railway, South Western Railway

How to book cheap train tickets from Southampton to Cardiff Bay

Travelling in off-peak train times

Off-Peak train tickets are generally cheaper than peak-time tickets, allowing travel outside morning (06:30-09:30) and evening (16:00-19:00) rush hours on weekdays. If your schedule allows for flexibility, choosing off-peak times for your trip from Southampton to Cardiff Bay can result in significant cost savings.

Using the Railcard for 1/3 off

Railcards offer discounts of up to 1/3 on most tickets. There are various types of Railcards catering to different types of travellers, 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%

Another option to consider is splitting your tickets, which can save you around extra 30% on fares. Instead of purchasing a direct ticket from Southampton to Cardiff Bay, you can split the route into two legs: A to C and C to B. This often turns out to be more affordable than buying a direct ticket, and you won’t even need to leave the train… or often your seat!.

Book in advance to save an average of 61%

Advance Tickets are typically released up to 12 weeks before the travel date and can offer significant savings compared to tickets purchased closer to departure. By planning your trip from Southampton to Cardiff Bay ahead of time and booking your tickets early, you can potentially save up to 61% on your travel expenses.

Group travels to save 1/3

If you are travelling 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 travelling from Southampton to Cardiff Bay more affordable for families, friends, or colleagues planning a trip together.

Southampton to Cardiff Bay train ticket types

Here are different ticket types available for this route, each with its own benefits and restrictions. Here are the options to consider:

Off-Peak & Super Off-Peak train tickets
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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.
Return train tickets
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These are valid for both the outward and return journey from the same destination on your chosen route.
Advance train tickets
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Typically, the most cost-effective option for train travel. They are usually available for purchase 12 weeks before the travel date.
Season train tickets
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It’s a type of train ticket that allows unlimited travel within two stations for a week, a month, or a year. What’s more, it can save you more than 1/3 on train fares.

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Why Book Train Tickets With Trip.com?

Best Price Promise
If you find trains for a cheaper price elsewhere, let us know and we'll refund the difference*
Split Tickets
Save an average of 30% on train fares by splitting your Southampton to Cardiff Bay journey
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No Booking Fees on the App
Only pay for your train travel – no hidden fees

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

Trains from Southampton to Cardiff Bay from CNY 223.68

Save an average of 30%* with Split Tickets

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Southampton to Cardiff Bay train prices and times

Southampton to Cardiff Bay train route details