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London to Portsmouth Bus

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05/03/2026
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London to Portsmouth by bus

The journey from London to Portsmouth by bus is 105.75 km and takes 2 hrs 31 mins. There are 79 connections per day, with the first departure at 12:40 am and the last at 11:59 pm. It is possible to travel from London to Portsmouth by bus for as little as RM 23.50 or as much as RM 174.01. The best price for this journey is RM 23.50.

Lowest Price RM 23.50
Journey Duration 2 hrs 31 mins
Connection per Day 79
Lowest Price RM 23.50
Highest Price RM 174.01
First Departure 12:40 am
Last Departure 11:59 pm
Distance 105.75 km
Departure London
Arrival Portsmouth
Carriers National Express

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Find the best day to travel to Portsmouth by bus

When travelling to Portsmouth by bus, 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 National Express from London to Portsmouth
Compare services on board when travelling from London to Portsmouth by bus.
Facilities National Express
quiet_zone Quiet zone check
wifi WiFi check
power_sockets Power sockets check
luggage Luggage check
accessibility Accessibility check
food_and_drink Food and drink check
air_con Air conditioning check
bicycle Bicycle check
sleeper_couchette Sleeper check

London to Portsmouth CO2 Emissions by Bus

Ecology
Train
7.4kg
Bus
7.93kg
Flight
21.15kg
Car
16.92kg

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Frequently Asked Questions

How much is a bus ticket from London to Portsmouth?
A bus ticket from London to Portsmouth is RM 84.89. 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 RM 23.50.
What's the cheapest bus ticket from London to Portsmouth?
The cheapest ticket you can get from London to Portsmouth is RM 23.50. 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 bus?
London to Portsmouth is 105.75 km.
How long does the bus between London and Portsmouth take?
London to Portsmouth is on average 2 hrs 31 mins. However the fastest option will get you there in 1 hr 20 mins.
How many bus connections per day go from London to Portsmouth?
London to Portsmouth has 79 connection(s) per day on average.
What time does the first bus from London to Portsmouth leave?
The earliest bus from London to Portsmouth departs at 12:40 am. 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 bus from London to Portsmouth depart?
The latest bus from London to Portsmouth departs at 11:59 pm. 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 bus ticket we have found is RM 23.50 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 67 direct connection(s) from London to go to Portsmouth.
What's the fastest journey time between London to Portsmouth by bus?
The fastest journey time by bus between London and Portsmouth is 1 hr 20 mins.
Is there a direct bus from London to Portsmouth?
Yes, there is a direct bus between London and Portsmouth.
What are the CO2 emissions for London to Portsmouth by bus?
The bus journey from London to Portsmouth creates 7.93kg of CO2 emissions.

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