Arriving in Portsmouth
Every day, up to train depart from Knebworth and arrive in Portsmouth, with the shortest journey taking 3h 3m minutes.
Book cheap train tickets from Knebworth to Portsmouth
It doesn’t need to be difficult to find cheap train tickets from Knebworth to Portsmouth. 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.
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%
Splitting your tickets involves buying separate tickets for different parts of your journey instead of one ticket for the entire trip. This method can often be cheaper and is perfectly legal. For instance, if you're traveling from A to B, you might find that purchasing a ticket from A to C, then C to B costs less than a direct ticket.
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 Knebworth to Portsmouth ahead of time and securing your tickets early, you can save up to 61% on the cost of your travel.
*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.