Cheap flights from London to Portsmouth

Return
1 adult
Economy
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Tue 2/11
Tue 9/11

The best prices from London to Portsmouth are usually found in March or May, booked 36 days in advance, depart on a Thursday or Friday and return on a Saturday

How to find the cheapest flight from London to Portsmouth

All the information you need to plan the best LON to P0R flight in 2021: compare London to Portsmouth flight prices with the expected peak season, weather and rainfall in Portsmouth.

LON - P0R

Price

£77 - £304

Popular in

June

High demand for flights, 39% potential price rise

Cheapest in

March

Best time to find cheap flights, 59% potential price drop

Average price

£161

Average for round-trip flights in October 2021

Round-trip from

£56

From London (LON) to Portsmouth

What is the cheapest month to fly from London to Portsmouth?

Due to multiple factors, expect to potentially pay more when booking in March. For low rates, August can be a great choice for travel to Portsmouth. Flights to Portsmouth from London in August are about £58 on average during August, but can be found for as low as £42.

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

When flying from London to Portsmouth, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap flights from London to Portsmouth in October, November 2021

The best prices found for LON to Portsmouth flights in October, November
30 Nov - 8 Dec
LTN

London Luton

SOU

Southampton Eastleigh

2 stops

12h 45m
SOU

Southampton Eastleigh

LTN

London Luton

1 stop

6h 25m
£188

Multiple Airlines

View Deal

Deal found 25/10/21

30 Nov - 8 Dec
LTN

London Luton

SOU

Southampton Eastleigh

1 stop

20h 55m
SOU

Southampton Eastleigh

LTN

London Luton

1 stop

6h 25m
£193

Multiple Airlines

View Deal

Deal found 25/10/21

10 Nov - 16 Nov
LGW

London Gatwick

SOU

Southampton Eastleigh

1 stop

8h 10m
SOU

Southampton Eastleigh

LGW

London Gatwick

1 stop

4h 30m
£209

Multiple Airlines

View Deal

Deal found 25/10/21

London to Portsmouth 2021 flight deals

Cheap flights to Portsmouth from London found for this year
1 Dec - 8 Dec
LTN

London Luton

SOU

Southampton Eastleigh

1 stop

7h 00m
SOU

Southampton Eastleigh

LTN

London Luton

1 stop

6h 25m
£163

Multiple Airlines

View Deal

Deal found 27/10/21

1 Dec - 8 Dec
LTN

London Luton

SOU

Southampton Eastleigh

1 stop

7h 00m
SOU

Southampton Eastleigh

LTN

London Luton

1 stop

6h 25m
£174

Multiple Airlines

View Deal

Deal found 25/10/21

1 Dec - 8 Dec
LTN

London Luton

SOU

Southampton Eastleigh

2 stops

20h 55m
SOU

Southampton Eastleigh

LTN

London Luton

1 stop

6h 25m
£180

Multiple Airlines

View Deal

Deal found 27/10/21

Last-minute flights from London to Portsmouth

Late deals on return flights to Portsmouth from London, departing today and this week
4 Nov - 5 Nov
STN

London Stansted

SOU

Southampton Eastleigh

1 stop

10h 30m
SOU

Southampton Eastleigh

STN

London Stansted

2 stops

29h 25m
£241

Multiple Airlines

View Deal

Deal found 25/10/21

4 Nov - 5 Nov
LGW

London Gatwick

SOU

Southampton Eastleigh

1 stop

8h 10m
SOU

Southampton Eastleigh

LGW

London Gatwick

2 stops

24h 00m
£247

Multiple Airlines

View Deal

Deal found 25/10/21

1 Nov - 2 Nov
LTN

London Luton

SOU

Southampton Eastleigh

1 stop

10h 30m
SOU

Southampton Eastleigh

LTN

London Luton

1 stop

9h 30m
£263

Multiple Airlines

View Deal

Deal found 27/10/21

One-way flights to Portsmouth from London

The cheapest one-way flights from London to Portsmouth
2 Dec
LTN

London Luton

SOU

Southampton Eastleigh

2 stops

32h 50m
£68

Multiple Airlines

View Deal

Deal found 26/10/21

15 Dec
LGW

London Gatwick

SOU

Southampton Eastleigh

1 stop

11h 05m
£76

easyJet

View Deal

Deal found 27/10/21

2 Dec
LTN

London Luton

SOU

Southampton Eastleigh

3 stops

47h 55m
£80

Multiple Airlines

View Deal

Deal found 26/10/21

Related info for your journey

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

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

Some of the carriers operating flights from London to Portsmouth that may be offering flexible cancellation policies are Flybe and AccesRail. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from London to Portsmouth for under £200 on Cheapflights?

Yes, there are multiple flights from London to Portsmouth for under £200. The cheapest flight booked recently is on Multiple Airlines for just £163, but on average you can expect to pay £201.

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.

What are the cheapest airlines to fly from London to Portsmouth one-way?

For one-way options, check prices for easyJet. According to our data, you can fly for as low as £76. Users have also found prices from £155 and £282 on easyJet and KLM, respectively.

What are the most popular routes from London to Portsmouth?

While some choose either London Gatwick - Southampton Eastleigh or London Heathrow - Southampton Eastleigh, London City - Southampton Eastleigh is the most popular route from London to Portsmouth.

Other flights from London

Alternative routes for London to Portsmouth

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

Hourly flight availability from London to Portsmouth

See what time of day planes typically take off from London to Portsmouth
4%of flight departuresEarly morningMidnight to 6 am
35%of flight departuresMorning6 am to noon
39%of flight departuresAfternoonNoon to 6 pm
22%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from London to Portsmouth

See how many times per day planes take to the skies headed from London to Portsmouth
Sunday0daily flights
Monday12daily flights
Tuesday12daily flights
Wednesday12daily flights
Thursday12daily flights
Friday12daily flights
Saturday12daily flights