Next train departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Train | Brighton | Portsmouth and Southsea | Cheapest | ||||
| Train | Brighton | Portsmouth and Southsea | Fastest | ||||
| Train | Brighton | Portsmouth and Southsea | No tags | ||||
| Train | Brighton | Portsmouth and Southsea | No tags | ||||
| Train | Brighton | Portsmouth and Southsea | No tags |
Last refresh of the prices: 23/11/2025 GMT.
Compare 3 ways to travel from Brighton to Portsmouth
Among the sustainable travel choices, the train stands out as a good way to reach Portsmouth. The journey takes about 1 hour 25 minutes and with fares starting at just £25, it presents an excellent value for a comfortable ride.
Train Companies
Based on 34 reviews, the company was rated 4.2 stars on Busbud. Travellers were especially satisfied with the staff and the timeliness but often complained with the ticket access. Southern ticket prices on this trip start at £25
Frequently asked questions about travelling from Brighton to Portsmouth by train
Please note that timetables, routes, or operator details shown here may be updated or vary at the time of your journey.
How much does a train ticket cost from Brighton to Portsmouth?
The cheapest train tickets from Brighton to Portsmouth start from £25. The average price for this train route is around £25. Busbud recommends booking your tickets in advance for the best chance of getting the lowest possible price.
How long is the train journey from Brighton to Portsmouth?
The average train journey time from Brighton to Portsmouth is 1h 25m, covering a distance of 42 miles. The fastest train gets you there in 1h 11m and is operated by Southern.
Which train operators serve the Brighton to Portsmouth route?
Several major train operators run on this route with 7 trains available per day.
What are the earliest and latest departure times for the train from Brighton to Portsmouth?
The earliest train from Brighton to Portsmouth departs at 07:13. And the latest train departs at 22:10.
Find cheapest prices for trains
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Brighton to Portsmouth was searched and found on 1 Dec 2025 with a price of £23To save money and be sure you have the best seat, it's a good idea to buy your train tickets from Brighton to Portsmouth as early as possible.
You can expect to pay from £23 to £37 for a train ticket from Brighton to Portsmouth based on the last 2 days. You can expect to find the cheapest price for the trip at £23, which is on 2025-12-01.
