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Enjoy the sights and sounds of the Causeway West line when you catch the train from Brighton to Portsmouth Harbour or Portsmouth & Southsea. From designer outlet shopping at Gunwharf Quays to waterfront food and drink at Port Solent Marina or memorable family days out to the Historic Dockyard – it’s a destination with lots to offer. Let us help you plan your next trip, with details of our daily direct train times from Brighton to Portsmouth and affordable fares whether you’re travelling alone, with friends or taking the whole family along for the ride.

Journey information from Brighton to Portsmouth Harbour

  • How long is the average journey duration from Brighton to Portsmouth Harbour? 1 hour 36 minutes
  • How long is the fastest journey duration from Brighton to Portsmouth Harbour? 1 hour 27 minutes
  • When is the first train from Brighton to Portsmouth Harbour? 05:00
  • When is the last train from Brighton to Portsmouth Harbour? 22:10
  • How many services run for Brighton to Portsmouth Harbour today? 4

The above information is intended as a guide. It may not include timetable alterations because of engineering work, unplanned disruption etc. Please use the journey planner to plan your journey before you travel. Some tickets are subject to restrictions. Please check these before you travel.

The information above refers to direct journeys only. Other journeys may be available by changing train or by using a different London Terminal. At certain times buses may operate some of the journeys shown. Services of all operators on the route shown are included in the figures. Not all tickets may be used on all services.

On many routes, the last journey before services finish for the day departs after midnight. Where this is the case, it is this service (in the early hours of the following morning), and not the last one before midnight that is shown.


Tips on how to find cheaper train tickets


Save money when you travel together by train from Brighton to Portsmouth – from work trips to days out with mates or your next family holiday. Use our GroupSave tickets at Off-Peak times and save you 34% on fares.

No booking fees

Don’t forget to book your train tickets from Brighton to Portsmouth direct from us online. The price you see is the price you’ll pay. We don’t charge any booking fees, so you can be sure that you’re getting the best value.


Don’t need to be in Portsmouth during the busiest times on a weekday? Travelling at the weekend? Use our journey planner and find out if you can take advantage of our Off-Peak fares – offering more choice and better value.

Buy online and get the best deals

No booking fees, and collect from any station in the UK