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

The cheapest train tickets from Portsmouth to London start from £10. The average price for this train route is around £33. Busbud recommends booking your tickets in advance for the best chance of getting the lowest possible price.

How long is the train journey from Portsmouth to London?

The average train journey time from Portsmouth to London is 2h 7m, covering a distance of 65 miles. The fastest train gets you there in 1h 27m and is operated by South Western Railway .

Which train operators serve the Portsmouth to London route?

Several major train operators run on this route with 53 trains available per day, including services from South Western Railway , Southern .

What are the earliest and latest departure times for the train from Portsmouth to London?

The earliest train from Portsmouth to London departs at 07:00. And the latest train departs at 23:59.

Which is the best train operator from Portsmouth to London?

According to Busbud customers, the highest-rated train operator on this route is South Western Railway , with an average rating of 4.2 out of 5 stars based on 25 reviews.

Which train operator has the best Wi-Fi from Portsmouth to London?

According to reviews on Busbud, the train operator Southern has the highest Wi-Fi rating with a score of 5.0.

Which train operator has the most punctual service from Portsmouth to London?

According to Busbud traveller reviews, the most punctual train operator on this route is Southern , with a punctuality rating of 5.0 out of 5 stars.

Which train operator has the cleanest trains from Portsmouth to London?

According to Busbud traveller reviews, the train operator with the cleanest trains on this route is Southern , with a cleanliness rating of 5.0 out of 5 stars.

Train Portsmouth to London from £9

Next train departures

Next departures from Portsmouth to London on 28 November
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	20:32	Portsmouth and Southsea	2h 30m	23:02	Wandsworth	Cheapest
Train	20:20	Portsmouth and Southsea	1h 44m	22:04	Wimbledon	Fastest
Train	20:32	Portsmouth and Southsea	2h 30m	23:02	Wandsworth	No tags
Train	20:20	Portsmouth and Southsea	1h 44m	22:04	Wimbledon	No tags
Train	20:20	Portsmouth and Southsea	1h 44m	22:04	Wimbledon	No tags

Next departures from Portsmouth to London on 29 November
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	15:35	Portsmouth and Southsea	1h 57m	17:32	Clapham Junction	Cheapest
Train	07:21	Portsmouth and Southsea	1h 31m	08:52	Waterloo	Fastest
Train	07:08	Portsmouth and Southsea	2h 19m	09:27	Wandsworth	No tags
Train	07:00	Portsmouth and Southsea	2h 4m	09:04	Waterloo	No tags
Train	07:08	Portsmouth and Southsea	2h 19m	09:27	Wandsworth	No tags

Next departures from Portsmouth to London on 30 November
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	17:37	Portsmouth and Southsea	1h 58m	19:35	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	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 3 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 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	15:03	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

Last refresh of the prices: Today at 18:49 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

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 Portsmouth to London?
The cheapest train tickets from Portsmouth to London start from £10. The average price for this train route is around £33. Busbud recommends booking your tickets in advance for the best chance of getting the lowest possible price.
How long is the train journey from Portsmouth to London?
The average train journey time from Portsmouth to London is 2h 7m, covering a distance of 65 miles. The fastest train gets you there in 1h 27m and is operated by South Western Railway.
Which train operators serve the Portsmouth to London route?
Several major train operators run on this route with 53 trains available per day, including services from South Western Railway, Southern.
What are the earliest and latest departure times for the train from Portsmouth to London?
The earliest train from Portsmouth to London departs at 07:00. And the latest train departs at 23:59.
Which is the best train operator from Portsmouth to London?
According to Busbud customers, the highest-rated train operator on this route is South Western Railway, with an average rating of 4.2 out of 5 stars based on 25 reviews.
Which train operator has the best Wi-Fi from Portsmouth to London?
According to reviews on Busbud, the train operator Southern has the highest Wi-Fi rating with a score of 5.0.
Which train operator has the most punctual service from Portsmouth to London?
According to Busbud traveller reviews, the most punctual train operator on this route is Southern, with a punctuality rating of 5.0 out of 5 stars.
Which train operator has the cleanest trains from Portsmouth to London?
According to Busbud traveller reviews, the train operator with the cleanest trains on this route is Southern, with a cleanliness rating of 5.0 out of 5 stars.

Find cheapest prices for trains

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

Best price found

26/11

£28

27/11

£28

Today

£22

29/11

£18

30/11

£18

01/12

£10

02/12

£9

03/12

£9

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 £200 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 Southern, 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.