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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 NZD 54.99, with average prices for this route around NZD 256.29.

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

View More Trains

Departure	Arrival	Find Tickets
14:11 3 ساعات 13 دقائق, Changes required Southampton Central	17:24 Cardiff Bay	Find Tickets
14:23 2 ساعات 43 دقائق, Changes required Southampton Airport Parkway	17:06 Cardiff Bay	Find Tickets
15:11 3 ساعات 13 دقائق, Changes required Southampton Central	18:24 Cardiff Bay	Find Tickets
16:11 3 ساعات 13 دقائق, Changes required Southampton Central	19:24 Cardiff Bay	Find Tickets
16:23 2 ساعات 43 دقائق, Changes required Southampton Airport Parkway	19:06 Cardiff Bay	Find Tickets
17:11 3 ساعات 13 دقائق, Changes required Southampton Central	20:24 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

2 ساعات 43 دقائق

Distance

138 km

Price

NZD 54.99*

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

With a Railcard, you can save up to 1/3 on most rail fares. There are different types of Railcards available, such as the 16–25 Railcard, the Family & Friends Railcard, and the Senior Railcard, each catering to specific groups of travelers. You can discover more about Railcards here.

Split tickets to save an average extra 30%

Splitting tickets is a perfectly legal practice that involves purchasing separate, cheaper tickets for different segments of your journey on the same train instead of a single ticket for the entire trip. For example, if you are travelling from Southampton to Cardiff Bay, you might discover that buying a ticket from A to C, and then another ticket from C to B, is more economical than a direct ticket.

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, be sure to check out group travel discounts. Many train companies offer a ⅓ off standard fares for groups of three to nine people, making 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
National Rail Partners
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 NZD 54.99

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