Arriving in Portsmouth
Every day, up to 54 train depart from Knebworth and arrive in Portsmouth, with the shortest journey taking 3h 4m minutes.
Book cheap train tickets from Knebworth to Portsmouth
Let's save unnecessary costs when traveling from Knebworth to Portsmouth by taking trains. The best way to find cheap train tickets is through Trip.com. We offer various discounted tips that can guide you towards a more affordable journey, such as using Railcards, Season Tickets, or Split Tickets. Explore the options below for more choices.
Travel in a group to save 1/3
If you are planning a trip with a group of three to nine people, there's good news for you! You can take advantage of group travel discounts that are offered by many train companies. These discounts can save you up to 1/3 on off-peak fares, making your journey from Knebworth to Portsmouth more affordable. Whether you're traveling with your family, friends, or colleagues, the group save options make it easier for everyone to enjoy the benefits of discounted fares while embarking on a memorable trip together.
Split Tickets to save an average extra 30%
How can you make your journey from Knebworth to Portsmouth cheaper? One option to consider is splitting your tickets, which can save you around an extra 30% on fares. Instead of purchasing a direct ticket from A to B, you can split the route into two sections: A to C and C to B. This often turns out to be more affordable than buying a direct ticket.
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.
*Prices are dynamic and subject to change. Ticket prices vary based on time of day, route, and class. Prices shown do not include split ticket and Railcard discounts.