How much does a cheap train ticket from Portsmouth to Brighton cost?

The average train ticket price from Portsmouth to Brighton is £26. The best way to find cheap train tickets from Portsmouth to Brighton 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 train trip from Portsmouth to Brighton?

A train trip between Portsmouth and Brighton is around 1h 27m, although the fastest train will take about 1h 20m. This is the time it takes to travel the 42 miles that separates the two cities.

How many daily train are there between Portsmouth and Brighton?

The number of trains from Portsmouth to Brighton can differ depending on the day of the week. On average, there are 6. Some trains are direct while others include transferring trains. Simplify your train trip from Portsmouth to Brighton by comparing and selecting the train that fits your travel style and budget on Busbud.

Which train companies travel from Portsmouth to Brighton?

When taking the train from Portsmouth to Brighton, you can travel comfortably and safely with Southern.

Train Portsmouth to Brighton from £24

Next train departures

Next departures from Portsmouth to Brighton on 27 November
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	15:03	Portsmouth and Southsea	1h 32m	16:35	Brighton	Cheapest
Train	07:57	Portsmouth and Southsea	1h 21m	09:18	Brighton	Fastest
Train	07:09	Portsmouth and Southsea	1h 27m	08:36	Brighton	No tags
Train	08:57	Portsmouth and Southsea	1h 21m	10:18	Brighton	No tags
Train	15:03	Portsmouth and Southsea	1h 32m	16:35	Brighton	No tags

Last refresh of the prices: Yesterday at 18:13 GMT.

Compare 2 ways to travel from Portsmouth to Brighton

We recommend taking the train

Among the sustainable travel choices, the train stands out as a good way to reach Brighton. The journey takes about 1 hour 27 minutes and with fares starting at just £25, it presents an excellent value for a comfortable ride.

6train per day

1h 27mAverage duration

42 milesDistance

2kgCO₂ emissions

	Average price	Average duration	CO₂ emissions	Actions
Bus	Average price£19 - £44	Average duration4h	CO₂ emissions 2kg CO₂e
Train	Average price£25 - £39	Average duration1h 27m	CO₂ emissions 2kg CO₂e

Train Companies

Southern

4/534 reviews

Staff5

Timeliness5

Cleanliness5

WiFi5

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

GB train companies: Amtrak, Trenitalia, Renfe, VIA Rail Canada, RegioJet, FlixTrain, CrossCountry

Frequently asked questions about travelling from Portsmouth to Brighton by train

How much does a cheap train ticket from Portsmouth to Brighton cost?
The average train ticket price from Portsmouth to Brighton is £26. The best way to find cheap train tickets from Portsmouth to Brighton 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 train trip from Portsmouth to Brighton?
A train trip between Portsmouth and Brighton is around 1h 27m, although the fastest train will take about 1h 20m. This is the time it takes to travel the 42 miles that separates the two cities.
How many daily train are there between Portsmouth and Brighton?
The number of trains from Portsmouth to Brighton can differ depending on the day of the week. On average, there are 6. Some trains are direct while others include transferring trains. Simplify your train trip from Portsmouth to Brighton by comparing and selecting the train that fits your travel style and budget on Busbud.
Which train companies travel from Portsmouth to Brighton?
When taking the train from Portsmouth to Brighton, 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.

Best price found

22/11

No data

23/11

No data

Today

No data

25/11

£24

26/11

No data

27/11

£24

28/11

£24

29/11

No data

The cheapest trip from Portsmouth to Brighton was searched and found on 27 Nov 2025 with a price of £24

To save money and be sure you have the best seat, it's a good idea to buy your train tickets from Portsmouth to Brighton as early as possible.

You can expect to pay from £24 to £37 for a train ticket from Portsmouth to Brighton based on the last 2 days. You can expect to find the cheapest price for the trip at £24, which is on 2025-11-27.