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: Last Sunday at 6:13 PM GMT.
Compare 3 ways to go 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 $45, 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 $45
Frequently asked questions about travelling from Brighton to Portsmouth by train
How much does a cheap train ticket from Brighton to Portsmouth cost?
The average train ticket price from Brighton to Portsmouth is $46. The best way to find cheap train tickets from Brighton to Portsmouth is to book your tickets as early as possible. Prices tend to rise as your travel date approaches, so book in advance to secure the best prices!
How long is the trip from Brighton to Portsmouth?
A train trip between Brighton and Portsmouth is around 1h 25m, although the fastest train will take about 1h 11m. This is the time it takes to travel the 68 km that separates the two cities.
How many daily trains are there between Brighton and Portsmouth?
The number of trains from Brighton to Portsmouth can differ depending on the day of the week. On average, there are 7. Some trains are direct while others include transferring trains. Simplify your train trip from Brighton to Portsmouth by comparing and selecting the train that fits your travel style and budget on Busbud.
Which train companies travel from Brighton to Portsmouth?
When taking the train from Brighton to Portsmouth, you can travel comfortably and safely with Southern.
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 Dec 1, 2025 with a price of $43To 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 $43 to $68 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 $43 which is on 2025-12-01.
