Trains tickets from London to Portsmouth

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TodayApr 25
from $33
TomorrowApr 26
from $15
SunApr 27
from $23
MonApr 28
from $24
TueApr 29
from $21
WedApr 30
ThuMay 1
FriMay 2

Trains leaving tomorrow

One passenger / one way

  • This trip is recommended because it is: Cheapest
    Departure time: April 26 at
    Departure city: London
    Departure location: Streatham
    Arrival time: April 26 at
    Destination city: Portsmouth
    Destination location: Portsmouth and Southsea
    Operated by: SouthernSouthern
    Vehicle: TrainDuration:
  • This trip is recommended because it is: Fastest
    Departure time: April 26 at
    Departure city: London
    Departure location: Waterloo
    Arrival time: April 26 at
    Destination city: Portsmouth
    Destination location: Portsmouth and Southsea
    Operated by: South Western RailwaySouth Western Railway
    Vehicle: TrainDuration:
  • Departure time: April 26 at
    Departure city: London
    Departure location: Barnes
    Arrival time: April 26 at
    Destination city: Portsmouth
    Destination location: Portsmouth and Southsea
    Operated by: South Western RailwaySouth Western Railway
    Vehicle: TrainDuration:
  • Departure time: April 26 at
    Departure city: London
    Departure location: Victoria Rail Station
    Arrival time: April 26 at
    Destination city: Portsmouth
    Destination location: Portsmouth and Southsea
    Operated by: SouthernSouthern
    Vehicle: TrainDuration:
  • Departure time: April 26 at
    Departure city: London
    Departure location: Barnes
    Arrival time: April 26 at
    Destination city: Portsmouth
    Destination location: Portsmouth and Southsea
    Operated by: South Western RailwaySouth Western Railway
    Vehicle: TrainDuration:

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Train London to Portsmouth: Trip Overview

Please note, this information is subject to change.

Average ticket price$64
Average train trip duration2h 3m
Number of daily trains32
Earliest train departure6:55am
Distance62 miles (100 km)
Latest train departure11:57pm

London to Portsmouth Train

Busbud shows you the best train ticket fares and train schedules so you can easily plan and book a trip by train from London to Portsmouth.

Train service from London to Portsmouth will be provided by the most trusted companies.

Discover how much the train trip from London to Portsmouth will cost you. Use our filters and sorting features to find the cheapest train tickets or high-end trains.

Frequently asked questions for your trip London - Portsmouth

Find cheapest prices for trains

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

Best price found
04/23
$21
04/24
$53
Today
$33
04/26
$15
04/27
$23
04/28
$24
04/29
$21
04/30
No data
busbud logoThe cheapest trip from London to Portsmouth was searched and found on Apr 26, 2025 with a price of $15

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 $15 to $128 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 $15 which is on 2025-04-26.

Usually RDG_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.

About Train Travel

Train Travel Tips

Do you like to go fast? With high-speed trains going faster than 300 km/h on certain routes, the time will fly by. Taking a train between London and Portsmouth is also a great way to travel to arrive in the city centre and save more time for your stay in Portsmouth.

No matter if you plan to take a regional or high-speed train to Portsmouth, the planet will thank you. You’ll help to protect the beautiful landscapes that will unfold before your very eyes.

With up to 30x less CO2 emissions for your train journey between London and Portsmouth, the train is an ecological alternative to flights or personal cars.

Tune out to the fine sounds of your best music playlist on your train trip from London to Portsmouth while indulging in miles on end of beautiful scenic views.

Did you know?

The first high-speed train line was inaugurated in 1964, in Japan, to connect Tokyo with Osaka. It was during the Olympics that the first passengers traveled aboard the Shinkansen at a speed of 210 km / h.

Railway companies played a major role as early as 1883 in the use of time zones as we know them today.

Japanese trains are always on time, it is extremely infrequent to see breakdowns during peak periods. In the event of a delay of more than 5 minutes, the crew will personally apologize to each passenger.

Will you be returning to London by train?

Train from Portsmouth to London

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