How much is the train ticket from London to Portsmouth?

The cheapest train tickets from London to Portsmouth start from R 259. The average price for this train route is around R 1 071. Busbud recommends booking your tickets in advance for a better chance to secure the lowest possible price.

How long is the train journey from London to Portsmouth?

The average train journey time from London to Portsmouth is 2h 3m, covering a distance of 97 km. The quickest train can get you there in 1h 22m and is operated by South Western Railway .

Which train operators serve the London to Portsmouth route?

Several major train operators serve this route, with 57 trains available per day, including services from South Western Railway , Southern .

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

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

Which is the best train operator from London to Portsmouth?

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 London to Portsmouth?

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

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

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 London to Portsmouth?

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 London to Portsmouth from R 246

Next train departures

Next departures from London to Portsmouth on 12 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	15:00	Waterloo	1h 34m	16:34	Portsmouth and Southsea	Cheapest
Train	08:00	Waterloo	1h 32m	09:32	Portsmouth and Southsea	Fastest
Train	08:29	Streatham	2h 9m	10:38	Portsmouth and Southsea	No tags
Train	07:04	Barnes	2h	09:04	Portsmouth and Southsea	No tags
Train	08:29	Streatham	2h 9m	10:38	Portsmouth and Southsea	No tags

Next departures from London to Portsmouth on 13 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	07:52	Clapham Junction	1h 52m	09:44	Portsmouth and Southsea	Cheapest
Train	07:30	Waterloo	1h 29m	08:59	Portsmouth and Southsea	Fastest
Train	07:35	Barnes	1h 58m	09:33	Portsmouth and Southsea	No tags
Train	07:12	Clapham Junction	2h 5m	09:17	Portsmouth and Southsea	No tags
Train	07:35	Barnes	1h 58m	09:33	Portsmouth and Southsea	No tags

Next departures from London to Portsmouth on 14 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	15:03	Waterloo	1h 52m	16:55	Portsmouth and Southsea	Cheapest
Train	15:37	Clapham Junction	1h 22m	16:59	Portsmouth and Southsea	Fastest
Train	08:26	Streatham	2h 15m	10:41	Portsmouth and Southsea	No tags
Train	07:51	Barnes	2h 9m	10:00	Portsmouth and Southsea	No tags
Train	08:26	Streatham	2h 15m	10:41	Portsmouth and Southsea	No tags

Next departures from London to Portsmouth on 15 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	15:12	Clapham Junction	2h 7m	17:19	Portsmouth and Southsea	Cheapest
Train	07:00	Waterloo	1h 30m	08:30	Portsmouth and Southsea	Fastest
Train	08:29	Streatham	2h 8m	10:37	Portsmouth and Southsea	No tags
Train	07:04	Barnes	2h	09:04	Portsmouth and Southsea	No tags
Train	08:29	Streatham	2h 8m	10:37	Portsmouth and Southsea	No tags

Next departures from London to Portsmouth on 16 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	15:12	Clapham Junction	2h 7m	17:19	Portsmouth and Southsea	Cheapest
Train	07:00	Waterloo	1h 30m	08:30	Portsmouth and Southsea	Fastest
Train	08:29	Streatham	2h 8m	10:37	Portsmouth and Southsea	No tags
Train	07:04	Barnes	2h	09:04	Portsmouth and Southsea	No tags
Train	08:29	Streatham	2h 8m	10:37	Portsmouth and Southsea	No tags

Next departures from London to Portsmouth on 17 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	15:35	Victoria Rail Station	2h 8m	17:43	Portsmouth Harbour	Cheapest
Train	07:00	Waterloo	1h 30m	08:30	Portsmouth and Southsea	Fastest
Train	08:29	Streatham	2h 8m	10:37	Portsmouth and Southsea	No tags
Train	07:04	Barnes	2h	09:04	Portsmouth and Southsea	No tags
Train	08:29	Streatham	2h 8m	10:37	Portsmouth and Southsea	No tags

Next departures from London to Portsmouth on 18 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	15:00	Waterloo	1h 30m	16:30	Portsmouth and Southsea	Cheapest
Train	07:00	Waterloo	1h 30m	08:30	Portsmouth and Southsea	Fastest
Train	08:29	Streatham	2h 8m	10:37	Portsmouth and Southsea	No tags
Train	07:04	Barnes	2h	09:04	Portsmouth and Southsea	No tags
Train	08:29	Streatham	2h 8m	10:37	Portsmouth and Southsea	No tags

Next departures from London to Portsmouth on 19 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	09:29	Streatham	2h 8m	11:37	Portsmouth and Southsea	Cheapest
Train	07:00	Waterloo	1h 30m	08:30	Portsmouth and Southsea	Fastest
Train	08:29	Streatham	2h 8m	10:37	Portsmouth and Southsea	No tags
Train	07:04	Barnes	2h	09:04	Portsmouth and Southsea	No tags
Train	08:29	Streatham	2h 8m	10:37	Portsmouth and Southsea	No tags

Last refresh of the prices: Yesterday at 3:53 PM GMT.

Compare 3 ways to travel from London to Portsmouth

We recommend carpooling

Among the sustainable travel choices, the carpool stands out as a good way to reach Portsmouth. The journey takes about 2 hours 20 minutes and with fares starting at just R 137, it presents an excellent value for a comfortable ride.

1carpool per day

2h 20mAverage duration

102 kmDistance

4kgCO₂ emissions

	Average price	Average duration	CO₂ emissions
Bus	Average priceR 104 - R 648	Average duration2h 11m	CO₂ emissions 3kg CO₂e
Train	Average priceR 259 - R 2 265	Average duration2h 3m	CO₂ emissions 2kg CO₂e
Carpool	Average priceR 137 - R 137	Average duration2h 20m	CO₂ emissions 4kg CO₂e

Train Companies

South Western Railway

4/525 reviews

Staff4.5

Timeliness4.1

Cleanliness4.5

WiFi3.4

Southern

4/534 reviews

Staff5

Timeliness5

Cleanliness5

WiFi5

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

Frequently asked questions about travelling from London to Portsmouth by train

Please note that timetables, routes, or operator details shown here may be updated or differ at the time of your trip.

How much is the train ticket from London to Portsmouth?
The cheapest train tickets from London to Portsmouth start from R 259. The average price for this train route is around R 1 071. Busbud recommends booking your tickets in advance for a better chance to secure the lowest possible price.
How long is the train journey from London to Portsmouth?
The average train journey time from London to Portsmouth is 2h 3m, covering a distance of 97 km. The quickest train can get you there in 1h 22m and is operated by South Western Railway.
Which train operators serve the London to Portsmouth route?
Several major train operators serve this route, with 57 trains available per day, including services from South Western Railway, Southern.
What are the earliest and latest departure times for the train from London to Portsmouth?
The earliest train from London to Portsmouth departs at 07:00. And the latest train departs at 23:59.
Which is the best train operator from London to Portsmouth?
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 London to Portsmouth?
Based on reviews on Busbud, the train operator Southern has the highest Wi-Fi rating with a score of 5.0.
Which train operator offers the most punctual service from London to Portsmouth?
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 London to Portsmouth?
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

10/12

R 493

11/12

R 443

Today

R 444

13/12

R 399

14/12

R 399

15/12

R 373

16/12

R 372

17/12

R 316

The cheapest trip from London to Portsmouth was searched and found on 17 Dec 2025 with a price of R 316

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

You can expect to pay from R 316 to R 2 162 for a train ticket from London to Portsmouth based on the last 2 days. You can expect to find the cheapest price for the trip at R 316, which is on 2025-12-17.

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.