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

The average train ticket price from Portsmouth to London is £33. The best way to find cheap train tickets from Portsmouth to London 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 London?

A train trip between Portsmouth and London is around 2h 7m, although the fastest train will take about 1h 27m. This is the time it takes to travel the 65 miles that separates the two cities.

How many daily train are there between Portsmouth and London?

The number of trains from Portsmouth to London can differ depending on the day of the week. On average, there are 53. Some trains are direct while others include transferring trains. Simplify your train trip from Portsmouth to London by comparing and selecting the train that fits your travel style and budget on Busbud.

Which train companies travel from Portsmouth to London?

When taking the train from Portsmouth to London, you can travel comfortably and safely with South Western Railway, Southern.

Train Portsmouth to London from £9

Next train departures

Next departures from Portsmouth to London on 30 November
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	17:50	Portsmouth and Southsea	2h 19m	20:09	Waterloo	Cheapest
Train	08:37	Portsmouth and Southsea	1h 48m	10:25	Clapham Junction	Fastest
Train	07:37	Portsmouth and Southsea	1h 58m	09:35	Waterloo	No tags
Train	07:52	Portsmouth and Southsea	2h 34m	10:26	Victoria Rail Station	No tags
Train	07:37	Portsmouth and Southsea	1h 58m	09:35	Waterloo	No tags

Next departures from Portsmouth to London on 1 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	15:03	Portsmouth and Southsea	2h 4m	17:07	Clapham Junction	Cheapest
Train	15:20	Portsmouth and Southsea	1h 31m	16:51	Waterloo	Fastest
Train	07:18	Portsmouth and Southsea	2h 1m	09:19	Wandsworth Town	No tags
Train	08:28	Portsmouth Harbour	2h 33m	11:01	Wandsworth	No tags
Train	07:18	Portsmouth and Southsea	2h 1m	09:19	Wandsworth Town	No tags

Next departures from Portsmouth to London on 2 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	17:32	Portsmouth and Southsea	2h 18m	19:50	Battersea Park	Cheapest
Train	15:20	Portsmouth and Southsea	1h 31m	16:51	Waterloo	Fastest
Train	07:18	Portsmouth and Southsea	2h 1m	09:19	Wandsworth Town	No tags
Train	08:28	Portsmouth Harbour	2h 33m	11:01	Wandsworth	No tags
Train	07:18	Portsmouth and Southsea	2h 1m	09:19	Wandsworth Town	No tags

Next departures from Portsmouth to London on 3 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	15:28	Portsmouth Harbour	2h 9m	17:37	Clapham Junction	Cheapest
Train	15:20	Portsmouth and Southsea	1h 31m	16:51	Waterloo	Fastest
Train	07:18	Portsmouth and Southsea	2h 1m	09:19	Wandsworth Town	No tags
Train	08:28	Portsmouth Harbour	2h 33m	11:01	Wandsworth	No tags
Train	07:18	Portsmouth and Southsea	2h 1m	09:19	Wandsworth Town	No tags

Next departures from Portsmouth to London on 4 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	15:03	Portsmouth and Southsea	2h 12m	17:15	Victoria Rail Station	Cheapest
Train	15:20	Portsmouth and Southsea	1h 31m	16:51	Waterloo	Fastest
Train	07:18	Portsmouth and Southsea	2h 1m	09:19	Wandsworth Town	No tags
Train	08:28	Portsmouth Harbour	2h 33m	11:01	Wandsworth	No tags
Train	07:18	Portsmouth and Southsea	2h 1m	09:19	Wandsworth Town	No tags

Next departures from Portsmouth to London on 5 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	15:28	Portsmouth Harbour	2h 17m	17:45	Victoria Rail Station	Cheapest
Train	15:20	Portsmouth and Southsea	1h 31m	16:51	Waterloo	Fastest
Train	07:18	Portsmouth and Southsea	2h 1m	09:19	Wandsworth Town	No tags
Train	08:28	Portsmouth Harbour	2h 33m	11:01	Wandsworth	No tags
Train	07:18	Portsmouth and Southsea	2h 1m	09:19	Wandsworth Town	No tags

Next departures from Portsmouth to London on 6 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	15:00	Portsmouth and Southsea	2h 9m	17:09	Waterloo	Cheapest
Train	15:20	Portsmouth and Southsea	1h 32m	16:52	Waterloo	Fastest
Train	07:00	Portsmouth and Southsea	2h 13m	09:13	Waterloo	No tags
Train	07:04	Portsmouth Harbour	2h 11m	09:15	Victoria Rail Station	No tags
Train	07:00	Portsmouth and Southsea	2h 13m	09:13	Waterloo	No tags

Last refresh of the prices: Today at 00:58 GMT.

Compare 3 ways to travel from Portsmouth to London

We recommend carpooling

Among the sustainable travel choices, the carpool stands out as a good way to reach London. The journey takes about 1 hour 40 minutes and with fares starting at just £10, it presents an excellent value for a comfortable ride.

1carpool per day

1h 40mAverage duration

64 milesDistance

4kgCO₂ emissions

	Average price	Average duration	CO₂ emissions
Bus	Average price£5 - £31	Average duration2h 31m	CO₂ emissions 2kg CO₂e
Train	Average price£10 - £211	Average duration2h 7m	CO₂ emissions 2kg CO₂e
Carpool	Average price£10 - £10	Average duration1h 40m	CO₂ emissions 4kg CO₂e

Train Companies

South Western Railway

4/525 reviews

Staff4.5

Timeliness4.1

Cleanliness4.5

WiFi3.4

Users have reported a smooth service with comfortable trains and effective heating. However, some feedback indicates that the staff at Portsmouth ticket office could be more welcoming, as there were concerns about communication when purchasing tickets through agencies.

South Western Railway Portsmouth London recent customer reviews

The staff at Portsmouth ticket office were quite unfriendly and they said that buying tickets through agencies is very unreliable and there is no communication between yourselves and them.

Karen M.

17 September 2022

Smooth service, comfortable train with good heating.

Panagiota Lili T.

9 December 2024

Southern

4/534 reviews

Staff5

Timeliness5

Cleanliness5

WiFi5

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

Frequently asked questions about travelling from Portsmouth to London by train

How much does a cheap train ticket from Portsmouth to London cost?
The average train ticket price from Portsmouth to London is £33. The best way to find cheap train tickets from Portsmouth to London 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 London?
A train trip between Portsmouth and London is around 2h 7m, although the fastest train will take about 1h 27m. This is the time it takes to travel the 65 miles that separates the two cities.
How many daily train are there between Portsmouth and London?
The number of trains from Portsmouth to London can differ depending on the day of the week. On average, there are 53. Some trains are direct while others include transferring trains. Simplify your train trip from Portsmouth to London by comparing and selecting the train that fits your travel style and budget on Busbud.
Which train companies travel from Portsmouth to London?
When taking the train from Portsmouth to London, you can travel comfortably and safely with South Western Railway, Southern.

Find cheapest prices for trains

Price is for a one-way ticket for one passenger and based on past searches.

Best price found

28/11

£22

29/11

£22

Today

£22

01/12

£10

02/12

£9

03/12

£9

04/12

£12

05/12

£12

The cheapest trip from Portsmouth to London was searched and found on 2 Dec 2025 with a price of £9

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

You can expect to pay from £9 to £201 for a train ticket from Portsmouth to London based on the last 2 days. You can expect to find the cheapest price for the trip at £9, which is on 2025-12-02.

Usually South Western Railway will charge you higher prices for tickets closer to the departure date. To find the best prices, you should be flexible on your date of travel.