Train from Portsmouth to London: Tickets & Schedules

Next train departures

Next departures for Portsmouth to London on November 30
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
South Western RailwayTrain
Portsmouth and Southsea
WaterlooCheapest
South Western RailwayTrain
Portsmouth and Southsea
Clapham JunctionFastest
South Western RailwayTrain
Portsmouth and Southsea
WaterlooNo tags
SouthernTrain
Portsmouth and Southsea
Victoria Rail StationNo tags
South Western RailwayTrain
Portsmouth and Southsea
WaterlooNo tags

Last refresh of the prices: Yesterday at 6:21 PM GMT.

Compare 3 ways to go from Portsmouth to London

We recommend carpooling

Among the sustainable travel choices, the carpool stands out as the good way to reach London. The journey takes about 1 hour 40 minutes and with fares starting at just $13, it presents an excellent value for a comfortable ride.

1carpool per day
1h 40mAverage Duration
64 milesDistance
4kgCO₂ emissions
Average Price$6 - $39Average Duration2h 31m
2kg CO₂e
Average Price$13 - $272Average Duration2h 7m
2kg CO₂e
Carpool
Average Price$13 - $13Average Duration1h 40m
4kg CO₂e

Frequently asked questions about traveling from Portsmouth to London by train

Find cheapest prices for trains

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

Best price found
11/27
$36
11/28
$29
Today
$23
11/30
$23
12/01
$12
12/02
$12
12/03
$12
12/04
$15
busbud logoThe cheapest trip from Portsmouth to London was searched and found on Dec 2, 2025 with a price of $12

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 $12 to $259 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 $12 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.

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