Trains from Southampton to Cardiff from $13.89*

Arriving in Cardiff

Trains traveling between Southampton and Cardiff usually start their journey from Southampton Central and reach Cardiff Central. The duration of this trip is approximately 2h 13m.

Book cheap train tickets from Southampton to Cardiff

It doesn’t need to be difficult to find cheap train tickets from Southampton to Cardiff. If you know where to look and how to take advantage of available discounts and travel options, then saving money with Trip.com becomes second nature. Here are some of our top tips to help you save money on your train travel.

Traveling during off-peak hours

Off-Peak train tickets are generally cheaper than peak-time tickets and can be used on services that are less busy, typically outside the morning and evening rush hours. If your schedule allows flexibility, choosing off-peak hours for your trip from Southampton to Cardiff can result in significant cost savings. In most cities and large towns, off-peak hours usually start at 09:30 from Monday to Friday. In other areas, they typically begin at 09:00.

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 them, the greater the savings. It's recommended to secure your Advance Tickets as soon as possible, ideally up to 12 weeks in advance. By doing so, you'll not only enjoy substantial discounts but also have peace of mind knowing that you've secured the most affordable option for your journey from Southampton to Cardiff.

Travel in a group to save 1/3

If you are traveling in a group of three to nine people, you can take advantage of group travel discounts. Many train companies offer GroupSave options that provide a discount of up to 1/3 on off-peak fares. This can make traveling from Southampton to Cardiff more affordable for families, friends, or colleagues planning a trip together.