Trains from Southwick to Portsmouth Harbour from $25.92*

Arriving in Portsmouth Harbour

Every day, up to 46 train depart from Southwick and arrive in Portsmouth Harbour, with the shortest journey taking 1h 17m minutes.

Book cheap train tickets from Southwick to Portsmouth Harbour

It doesn’t need to be difficult to find cheap train tickets from Southwick to Portsmouth Harbour. 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.

Get 1/3 off with a Railcard

Railcards offer discounts of up to 1/3 on most tickets. There are various types of Railcards available to cater to different groups 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.

Traveling during off-peak hours

Taking advantage of Off-Peak train tickets is another effective way to save money on your train journey from Southwick to Portsmouth Harbour. These tickets are generally cheaper than peak-time tickets and can be used during less busy periods, typically outside of the morning and evening rush hours. If your schedule allows for flexibility, opting for off-peak hours can lead to substantial cost savings. It's important to note that in most cities and large towns, off-peak hours usually start at 09:30 from Monday to Friday, while in other areas, they typically begin at 09:00.

Book in advance to save an average of 61%

One of the most effective ways to get cheap train tickets is to book in advance. Advance Tickets are usually released up to 12 weeks before the travel date and can be significantly cheaper than purchasing tickets closer to the departure date. By planning your trip from Southwick to Portsmouth Harbour ahead of time and securing your tickets early, you can save up to 61% on the cost of your travel.