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Southampton to Cardiff Bay Train prices and times

Planning a journey from Southampton to Cardiff Bay? Trip.com offers train tickets starting from as low as QAR 114.55, with average prices for this route around QAR 533.88. To ensure you get the most affordable fares, we suggest exploring alternatives like split tickets.

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Departure	Arrival	Find Tickets
11:10 2h 56m, Changes required Southampton Central	14:06 Cardiff Bay	Find Tickets
11:23 2h 43m, Changes required Southampton Airport Parkway	14:06 Cardiff Bay	Find Tickets
12:11 3h 13m, Changes required Southampton Central	15:24 Cardiff Bay	Find Tickets
12:23 2h 43m, Changes required Southampton Airport Parkway	15:06 Cardiff Bay	Find Tickets
13:11 3h 13m, Changes required Southampton Central	16:24 Cardiff Bay	Find Tickets
13:23 3h 13m, Changes required Southampton Airport Parkway	16:36 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

138 km

Price

QAR 114.55*

Train operators

CrossCountry, Great Western Railway, South Western Railway

How to book cheap train tickets from Southampton to Cardiff Bay

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 Southampton to Cardiff Bay can result in significant cost savings.

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%

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 Southampton to Cardiff Bay, 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%

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

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 Southampton to Cardiff Bay more affordable for families, friends, or colleagues planning a trip together.

Southampton to Cardiff Bay train ticket types

Save money on your trip from Southampton to Cardiff Bay with suitable train tickets. It's a great way to spend less!

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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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Official train ticket sellers with 5-star customer support
No Booking Fees on the App
Only pay for your train travel – no hidden fees

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

Trains from Southampton to Cardiff Bay from QAR 114.55

Save an average of 30%* with SplitTickets

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Southampton to Cardiff Bay Train prices and times

Southampton to Cardiff Bay Train Route Details