Trains tickets from Portsmouth to London

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Today18 Jun
from US$23
Tomorrow19 Jun
from US$16
Fri20 Jun
from US$20
Sat21 Jun
from US$30
Sun22 Jun
from US$30
Mon23 Jun
from US$24
Tue24 Jun
from US$16
Wed25 Jun

Trains leaving tomorrow

One passenger / one way

  • This trip is recommended because it is the: Cheapest
    Departure time: 19 June at
    Departure city: Portsmouth
    Departure location: Portsmouth and Southsea
    Arrival time: 19 June at
    Destination city: London
    Destination location: Victoria Rail Station
    Operated by: SouthernSouthern
    Vehicle: TrainDuration:
  • This trip is recommended because it is the: Fastest
    Departure time: 19 June at
    Departure city: Portsmouth
    Departure location: Portsmouth and Southsea
    Arrival time: 19 June at
    Destination city: London
    Destination location: Waterloo
    Operated by: South Western RailwaySouth Western Railway
    Vehicle: TrainDuration:
  • Departure time: 19 June at
    Departure city: Portsmouth
    Departure location: Portsmouth and Southsea
    Arrival time: 19 June at
    Destination city: London
    Destination location: Wandsworth
    Operated by: SouthernSouthern
    Vehicle: TrainDuration:
  • Departure time: 19 June at
    Departure city: Portsmouth
    Departure location: Portsmouth and Southsea
    Arrival time: 19 June at
    Destination city: London
    Destination location: Waterloo
    Operated by: South Western RailwaySouth Western Railway
    Vehicle: TrainDuration:
  • Departure time: 19 June at
    Departure city: Portsmouth
    Departure location: Portsmouth and Southsea
    Arrival time: 19 June at
    Destination city: London
    Destination location: Wandsworth
    Operated by: SouthernSouthern
    Vehicle: TrainDuration:

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Compare 3 ways to travel from Portsmouth to London

Bus
Average priceUS$7 - US$29Average duration2h 30m
2kg CO₂e5 out of 5 stars
CheapestMost eco-friendly
Train
Average priceUS$12 - US$286Average duration2h 4m
3kg CO₂e5 out of 5 stars
Carpool
Average priceUS$7 - US$8Average duration1h 30m
4kg CO₂e4 out of 5 stars
Fastest
busbud logoBusbud recommends carpooling from Portsmouth to London

Among the sustainable travel choices, the carpool stands out as a good way to reach London. The journey takes about 1 hour 30 minutes and with fares starting at just US$7, it presents an excellent value for a comfortable ride.

1carpool per day
1h 30mAverage duration
US$7Cheapest ticket
4kgCO₂ emissions

Train Portsmouth to London: Trip Overview

Please note, this information is subject to change.

Average ticket priceUS$43
Average train trip duration2h 4m
Number of daily trains30
Earliest train departure06:55
Distance66 miles
Latest train departure22:52

Portsmouth to London Train

With Busbud, comparing and booking tickets for a train from Portsmouth to London is a breeze. Browse through an extensive selection of train fares and train schedules to find the best deals.

We make sure you can find a train service from Portsmouth to London from the most reliable train companies operating this trip.

Whether it is train tickets or first class train tickets going to London from Portsmouth, we help you find what you're looking for based on how much of a budget you have.

Frequently asked questions on the trip Portsmouth - London

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

    The average train ticket price from Portsmouth to London is US$43. 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!

  2. How long is the train trip from Portsmouth to London?

    A train trip between Portsmouth and London is around 2h 4m, although the fastest train will take about 1h 23m. This is the time it takes to travel the 65 miles that separates the two cities.

  3. 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 30. 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.

Find cheapest prices for trains

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

Best price found
16/06
US$34
17/06
No data
Today
US$15
19/06
US$15
20/06
US$19
21/06
US$29
22/06
US$29
23/06
US$23
busbud logoThe cheapest trip from Portsmouth to London was searched and found on 19 Jun 2025 with a price of US$15

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 US$15 to US$265 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 US$15, which is on 2025-06-19.

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

Taking the fastest trains allows you to travel at speeds greater than 300 km/h. Taking a trip from Portsmouth to London is not only much quicker but more comfortable too! You can usually travel directly to the city centre and save time while you're at it.

Regional train? High-speed train? Whichever train to London you take, you’ll help reduce the environmental impact and carbon footprint of your trip. As you watch the landscapes unfold before your eyes, you can tell yourself that with this choice, you are making sure they remain protected.

By choosing the train between Portsmouth and London, you emit up to 30 times less CO2 than for the same journey made by plane or car!

Make a music playlist for your train ride from Portsmouth to London and enjoy the scenery to tunes from your own personal soundtrack.

Did you know?

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

The longest train journey in the world is between Europe and Asia. This long journey starts from Porto in Portugal and crosses the whole European continent to reach Hanoi in Vietnam in 12 days while travelling more than 17,000 km.

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 travelled aboard the Shinkansen at a speed of 210 km / h.

Will you be returning to Portsmouth by train?

Train from London to Portsmouth

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