Cheap flights from Portsmouth to London

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

All the information you need to plan the best null to LON flight in 2022: compare Portsmouth to London flight prices with the expected peak season, weather and rainfall in London.
P0R - LON
Price
£63 - £477
LON
Temperature
4 - 17 °C
LON
Rainfall
40 - 70 mm

Popular in

January

High demand for flights, 46% potential price rise

Cheapest in

May

Best time to find cheap flights, 76% potential price drop

Average price

£324

Average for round-trip flights in July 2022

Round-trip from

£53

From Portsmouth to London (LON)

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

Our data shows that June tends to be the cheapest month to fly to London from Portsmouth. Users have commonly found prices around £256 for the month, but tickets can be as low as £51. Due to multiple factors, prepare for potentially higher prices in December.

How far in advance should I book a flight from Portsmouth to London?

To save on the cost of your flight from Portsmouth to London, book at least 35 days before your planned departure. Booking around this time can save you about 8% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £65 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £66.

When is the cheapest time to fly from Portsmouth to London (P0R - LON)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portsmouth to London as you normally would.

Cheap flights from Portsmouth to London in July, August 2022

The best prices found for Portsmouth to LON flights in July, August
13 Aug - 17 Aug
£245pp
SOU
Southampton Eastleigh
Multiple airlines
 
1 STOP
STN
London Stansted
STN
London Stansted
Multiple Airlines
 
1 STOP
SOU
Southampton Eastleigh
13 Aug - 17 Aug
£246pp
SOU
Southampton Eastleigh
Multiple airlines
 
1 STOP
STN
London Stansted
STN
London Stansted
Multiple Airlines
 
1 STOP
SOU
Southampton Eastleigh
11 Aug - 18 Aug
£251pp
SOU
Southampton Eastleigh
Multiple airlines
 
1 STOP
STN
London Stansted
STN
London Stansted
Multiple Airlines
 
1 STOP
SOU
Southampton Eastleigh

Portsmouth to London 2022 flight deals

Cheap flights to London from Portsmouth found for this year
13 Aug - 17 Aug
£245pp
SOU
Southampton Eastleigh
Multiple airlines
 
1 STOP
STN
London Stansted
STN
London Stansted
Multiple Airlines
 
1 STOP
SOU
Southampton Eastleigh
13 Aug - 17 Aug
£246pp
SOU
Southampton Eastleigh
Multiple airlines
 
1 STOP
STN
London Stansted
STN
London Stansted
Multiple Airlines
 
1 STOP
SOU
Southampton Eastleigh
11 Aug - 18 Aug
£251pp
SOU
Southampton Eastleigh
Multiple airlines
 
1 STOP
STN
London Stansted

Cheap British Airways flights from Portsmouth to London

10 Sep - 18 Sep
£279pp
SOU
Southampton Eastleigh
British Airways
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
British Airways
 
1 STOP
SOU
Southampton Eastleigh
10 Sep - 18 Sep
£286pp
SOU
Southampton Eastleigh
British Airways
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
British Airways
 
1 STOP
SOU
Southampton Eastleigh
13 Aug - 17 Aug
£353pp
SOU
Southampton Eastleigh
British Airways
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
British Airways
 
1 STOP
SOU
Southampton Eastleigh

Cheap Aurigny Air flights from Portsmouth to London

1 Aug - 8 Aug
£400pp
SOU
Southampton Eastleigh
Aurigny Air
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
Aurigny Air
 
1 STOP
SOU
Southampton Eastleigh
13 Aug - 17 Aug
£433pp
SOU
Southampton Eastleigh
Aurigny Air
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
Aurigny Air
 
1 STOP
SOU
Southampton Eastleigh
13 Aug - 17 Aug
£436pp
SOU
Southampton Eastleigh
Aurigny Air
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
Aurigny Air
 
1 STOP
SOU
Southampton Eastleigh

Last-minute flights from Portsmouth to London

Late deals on return flights to London from Portsmouth, departing today and this week
20 Jul - 31 Jul
£597pp
SOU
Southampton Eastleigh
British Airways
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
British Airways
 
1 STOP
SOU
Southampton Eastleigh

One-way flights to London from Portsmouth

The cheapest one-way flights from Portsmouth to London
04:20 - 16:25
Multiple Airlines
1 stop
12h 05m
SOU - LGW
Multiple Airlines
£101
Kiwi.com
15:50 - 04:35
Multiple Airlines
1 stop
12h 45m
SOU - LGW
Multiple Airlines
£149
Kiwi.com
04:40 - 08:50
British Airways
1 stop
4h 10m
SOU - LHR
British Airways

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Portsmouth</span> to <span class="emphasized">London</span> flights.

Flight FAQs

From Portsmouth to London

Which airlines flying from Portsmouth to London have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like 748 Air Services, Vipper, and Flybe flying from Portsmouth to London have implemented new flexible cancellation policies.

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

Yes, there are multiple flights from Portsmouth to London for under £300. The cheapest flight booked recently is on Multiple Airlines for just £245, but on average you can expect to pay £341.

Are there last-minute flights available from Portsmouth to London for under £600?

There are currently 1+ open flights from Portsmouth to London within the next 7 days for less than £600.

What are the most popular routes from Portsmouth to London?

The most popular flight routes from Portsmouth to London are Southampton Eastleigh - London Gatwick, Southampton Eastleigh - London Heathrow and Southampton Eastleigh - London Stansted.

Alternative routes for Portsmouth to London

See prices for flight routes from nearby airports that may be better suited for you.

Hourly flight availability from Portsmouth to London

See what time of day planes typically take off from Portsmouth towards London.
Afternoon Midday to 6 PM 40% of flight departures
Morning 6 AM to midday 36% of flight departures
Evening 6 PM to midnight 18% of flight departures
Early morning Midnight to 6 AM 6% of flight departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Portsmouth to London
See how many times per day planes take to the skies headed from Portsmouth to London.
Sunday
2 daily flights
Monday
2 daily flights
Tuesday
2 daily flights
Wednesday
2 daily flights
Thursday
2 daily flights
Friday
2 daily flights
Saturday
2 daily flights
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