London to Portsmouth Train
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London to Portsmouth by train
The journey from London to Portsmouth by train is 65.71 mi and takes 2 hrs 23 mins. There are 89 connections per day, with the first departure at 05:08 and the last at 16:30. It is possible to travel from London to Portsmouth by train for as little as £16.55 or as much as £54.00. The best price for this journey is £16.55.
| Lowest Price | £16.55 |
| Journey Duration | 2 hrs 23 mins |
| Connection per Day | South Western Railway, Great Western Railway, Gatwick Express, Southern 89 |
| Lowest Price | South Western Railway, Great Western Railway, Gatwick Express, Southern £16.55 |
| Highest Price | South Western Railway, Great Western Railway, Gatwick Express, Southern £54.00 |
| First Departure | South Western Railway, Great Western Railway, Gatwick Express, Southern 05:08 |
| Last Departure | South Western Railway, Great Western Railway, Gatwick Express, Southern 16:30 |
| Distance | South Western Railway, Great Western Railway, Gatwick Express, Southern 65.71 mi |
| Departure | South Western Railway, Great Western Railway, Gatwick Express, Southern London |
| Arrival | South Western Railway, Great Western Railway, Gatwick Express, Southern Portsmouth |
| Carriers | South Western Railway, Great Western Railway South Western Railway, Great Western Railway, Gatwick Express, Southern |
London to Portsmouth Train Times
Compare prices and tickets from London to Portsmouth
Best time to book London to Portsmouth travel
Virail Pro Tip ✌: Booking 10 days in advance save 10% on average
Best time to book cheap train tickets from London to Portsmouth
The cheapest London - Portsmouth train tickets can be found for as low as £7.55 if you’re lucky, or £19.54 on average. The most expensive ticket can cost as much as £27.68.
Find the best day to travel to Portsmouth by train
When travelling to Portsmouth by train, if you want to avoid crowds you can check how frequently our customers are travelling in the next 30-days using the graph below. On average, the peak hours to travel are between 6:30am and 9am in the morning, or between 4pm and 7pm in the evening. Please keep this in mind when travelling to your point of departure as you may need some extra time to arrive, particularly in big cities!
Services on board South Western Railway, Great Western Railway and Gatwick Express from London to Portsmouth
Compare services on board when travelling from London to Portsmouth by train.
| Facilities | South Western Railway | Great Western Railway | Gatwick Express | Southern |
|---|---|---|---|---|
Quiet zone |  | | | |
WiFi | | | | |
Power sockets | | | | |
Food and drink | | | | |
Luggage |  | | | |
London to Portsmouth CO2 Emissions by Train
Train
7.4kg
Bus
7.93kg
Flight
21.15kg
Car
16.92kg
What are the CO2 emissions from London to Portsmouth by train? The CO2 emissions from taking the train between London and Portsmouth are 7.4kg.
How much CO2 do I save by taking the train between London and Portsmouth? By taking the train between London and Portsmouth you will save 13.75kg CO2 emissions compared to a flight, 0.53kg compared to a bus and 9.52kg compared to a car.
Anything we can improve?
Frequently Asked Questions
How much is a train ticket from London to Portsmouth?
A train ticket from London to Portsmouth is £38.38. However the price varies depending on how early you buy, and if it's peak time to travel. Occasionally you can find them for as cheap as £16.55.
What's the cheapest train ticket from London to Portsmouth?
The cheapest ticket you can get from London to Portsmouth is £16.55. We recommend booking as early as possible and off-peak hours to get the cheapest ticket possible. Off-peak times are usually from 09:30 to 16:00, and after 19:00.
What's the distance between London and Portsmouth by train?
London to Portsmouth is 65.71 mi.
How long does the train between London and Portsmouth take?
London to Portsmouth is on average 2 hrs 23 mins. However the fastest option will get you there in 1 hr 27 mins.
Which companies operate from London to Portsmouth?
The train journey from London to Portsmouth is covered by 3 operator(s). On Virail you can find these carriers that provide services on this route: South Western Railway, Great Western Railway, Gatwick Express and Southern.
How many train connections per day go from London to Portsmouth?
London to Portsmouth has 89 connection(s) per day on average.
What time does the first train from London to Portsmouth leave?
The earliest train from London to Portsmouth departs at 05:08. However be sure to check with us the schedule on the day you want to leave as the time may differ.
What time does the last train from London to Portsmouth depart?
The latest train from London to Portsmouth departs at 16:30. However be sure to check with us the schedule on the day you want to leave as the time may differ.
Should I book my ticket from London to Portsmouth in advance?
If you can, we recommend booking your ticket as early as possible to ensure you get better savings. The cheapest train ticket we have found is £16.55 but this may be subject to change depending on the day of travel, hour you wish to depart and how far in advance you book.
How many direct connections depart from London to Portsmouth?
There are on average 26 direct connection(s) from London to go to Portsmouth.
What's the fastest journey time between London to Portsmouth by train?
The fastest journey time by train between London and Portsmouth is 1 hr 27 mins.
Is there a direct train from London to Portsmouth?
Yes, there is a direct train between London and Portsmouth.
What are the CO2 emissions for London to Portsmouth by train?
The train journey from London to Portsmouth creates 7.4kg of CO2 emissions.