Timetable

Train route

Cheap train tickets

UK Trains New User Gifts 2% off trains


2% OFF
Jun 19, 2024-Jun 20, 2026
2% OFF UK Train New User Promo Code
Jun 19, 2024-Jun 20, 2026





Romsey to Cardiff Bay train prices and times

Planning a journey from Romsey to Cardiff Bay? Trip.com offers train tickets starting from as low as US$26.71, with average prices for this route around US$26.71. To ensure you get the most affordable fares, we suggest exploring alternatives like split tickets.

View More Trains

Departs	Arrives	Find Tickets
15:21 4h 3m, No direct Romsey	19:24 Cardiff Bay	Find Tickets
16:21 4h 3m, No direct Romsey	20:24 Cardiff Bay	Find Tickets
17:21 4h 3m, No direct Romsey	21:24 Cardiff Bay	Find Tickets
18:21 4h 3m, No direct Romsey	22:24 Paris	Find Tickets

Romsey to Cardiff Bay train route details

First train

06:40

Last train

18:21

Departure station

Romsey

Arrival station

Cardiff Bay

Journey time

3h 26m

Distance

128 km

Price

US$26.71*

Train Operators

Great Western Railway, Transport for Wales

How to book cheap train tickets from Romsey to Cardiff Bay

Travelling in off-peak train times

We recommend buying train tickets from Romsey to Cardiff Bay during off-peak hours. These times are usually before 06:30, between 09:30 and 16:00, and after 19:00 on weekdays, as well as all day on weekends and bank holidays. Choosing Off-Peak train tickets means benefiting from cheaper fares and less crowded trains, making your journey more enjoyable.

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%

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 Romsey 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%

Advance Tickets are usually released up to 12 weeks before the travel date and can be significantly cheaper than tickets purchased closer to departure. By planning your trip from Romsey to Cardiff Bay ahead of time and securing your tickets early, you can save up to 61% on the cost of your travel.

Group travels to save 1/3

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

Romsey 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:





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 Romsey to Cardiff Bay journey
National Rail Partners
Official train ticket sellers with 5-star customer service
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 Romsey to Cardiff Bay from US$26.71

Save an average of 30%* with Split Tickets

2% OFF

2% OFF UK Train New User Promo Code

Romsey to Cardiff Bay train prices and times

Romsey to Cardiff Bay train route details