Cheap flights from London to Portsmouth

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The best prices from London to Portsmouth are usually found in February or June, booked 48 days in advance, depart on a Wednesday or Thursday and return on a Saturday

How to find the cheapest flight from
London (LON) to Portsmouth (SOU)

LON - SOU
Price
£54 - £221
SOU
Temperature
9 - 22 °C
SOU
Rainfall
0 - 11 mm

Popular in

August

High demand for flights, 57% potential price rise

Cheapest in

February

Best time to find cheap flights, 44% potential price drop

Average price

£117

Average for round-trip flights in september 2020

Round-trip from

€54

From London to Portsmouth

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly return from London to Portsmouth?

Users have found that flying from London to Portsmouth on a Friday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

When is the cheapest time to fly from London to Portsmouth (LON - SOU)?

A simple way to save on the total cost of your ticket is to fly from London to Portsmouth in the evening. If you’re flexible enough to do this you can expect to save up to 80% on your trip compared to booking a flight at midday.

Cheap flights from London to Portsmouth in September, October 2020

The best prices found for LON to SOU flights in September, October
26 Oct - 2 Nov
£240pp
LGW
London Gatwick
Multiple airlines
 
1 STOP
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
Multiple Airlines
 
1 STOP
LGW
London Gatwick
4 Oct - 9 Oct
£262pp
STN
London Stansted
Multiple airlines
   
2 STOPS
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
Multiple Airlines
   
2 STOPS
STN
London Stansted
4 Oct - 6 Oct
£281pp
STN
London Stansted
Multiple airlines
 
1 STOP
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
Multiple Airlines
   
2 STOPS
STN
London Stansted

London to Portsmouth 2020 flight deals

Cheap flights to Portsmouth from London found for this year
26 Oct - 2 Nov
£240pp
LGW
London Gatwick
Multiple airlines
 
1 STOP
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
Multiple Airlines
 
1 STOP
LGW
London Gatwick
4 Oct - 9 Oct
£262pp
STN
London Stansted
Multiple airlines
   
2 STOPS
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
Multiple Airlines
   
2 STOPS
STN
London Stansted
4 Oct - 6 Oct
£281pp
STN
London Stansted
Multiple airlines
 
1 STOP
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
Multiple Airlines
   
2 STOPS
STN
London Stansted

Last-minute flights from London to Portsmouth

Late deals on return flights to Portsmouth from London, departing today and this week
4 Oct - 9 Oct
£262pp
STN
London Stansted
Multiple airlines
   
2 STOPS
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
Multiple Airlines
   
2 STOPS
STN
London Stansted
4 Oct - 6 Oct
£281pp
STN
London Stansted
Multiple airlines
 
1 STOP
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
Multiple Airlines
   
2 STOPS
STN
London Stansted
4 Oct - 9 Oct
£326pp
LTN
London Luton
Multiple airlines
   
2 STOPS
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
Multiple Airlines
     
3 STOPS
LTN
London Luton

One-way flights to Portsmouth from London

The cheapest one-way flights from London to Portsmouth
10:30 - 06:45
Multiple Airlines
1 stop
20h 15m
LHR - SOU
Multiple Airlines
£149
Kiwi.com
11:15 - 15:10
Multiple Airlines
1 stop
3h 55m
LGW - SOU
Multiple Airlines
£166
Kiwi.com
08:50 - 15:10
Multiple Airlines
1 stop
6h 20m
LCY - SOU
Multiple Airlines

Related info for your journey

Useful info, stats and facts about London to Portsmouth flights.

Flight FAQs

From London to Portsmouth

Are flight prices decreasing from London to Southampton due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both London and Southampton for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from London to Portsmouth for under £300 on Cheapflights?

Yes, there are multiple flights from London to Portsmouth for under £300. The cheapest flight booked recently is on Multiple Airlines for just £240, but on average you can expect to pay £368.

Are there direct flights from London to Portsmouth for under £200 on Cheapflights?

There are no direct flights from London to Portsmouth, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from London to Portsmouth for under £300?

There are currently 20+ open flights from London to Portsmouth within the next 7 days for less than £300.

Is London weather warmer or cooler than Southampton?

With an average temperature of 23 °C, peak weather can be found in July. As a traveller, expect to see changes in flight prices during that period. The temperatures in Southampton are colder than in London.

How long does is the flight from London to Portsmouth?

KLM, Loganair, and Eastern Airways can get you from London to Portsmouth in just under 5h. Your travel time can differ by up to 18h 25m. This flight may include one or multiple stops.

What are the cheapest airlines to flying from London to Portsmouth return?

Cheapflights users have booked flights from London to Portsmouth from £267 return. Other airlines that can offer you cheap pricing are KLM, from £308, and Loganair, from £552.

Alternative routes for London to Portsmouth

Destination information for Portsmouth

Things to know before you go. Useful info for your trip from London to Portsmouth
Average temperature for September in Portsmouth
19.0 °C
Avg rainfall for September in Portsmouth
1.0 mm

Airports servicing London

Heathrow (LHR)
Luton (LTN)
Stansted (STN)
City (LCY)
Southend (SEN)

Airports servicing Southampton

Hourly flight availability from London to Portsmouth

Morning 6 AM to midday 58% of flight departures
Afternoon Midday to 6 PM 41% of flight departures
Early morning Midnight to 6 AM 1% of flight departures
Evening 6 PM to midnight 0% of flight departures
Midnight
6 AM
Noon
6 PM
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