Cheap flights from Heathrow to Portsmouth

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How to find the cheapest flight from
Heathrow (LHR) to Portsmouth

All the information you need to plan the best LHR to LGW flight in 2022: compare Heathrow to Portsmouth flight prices with the expected peak season, weather and rainfall in Portsmouth.
When is the cheapest time to fly from London Heathrow Airport to Portsmouth (LHR - P0R)?

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

What is the cheapest month to fly from London Heathrow Airport 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 Heathrow Airport in August are about £65 on average during August, but can be found for as low as £47.

Cheap flights from Heathrow to Portsmouth in May, June 2022

The best prices found for LHR to Portsmouth flights in May, June
17 May - 18 May
£46pp
LHR
London Heathrow
748 Air Services
Direct
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
748 Air Services
Direct
LHR
London Heathrow
16 May - 23 May
£46pp
LHR
London Heathrow
748 Air Services
Direct
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
748 Air Services
Direct
LHR
London Heathrow
17 May - 24 May
£47pp
LHR
London Heathrow
748 Air Services
Direct
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
748 Air Services
Direct
LHR
London Heathrow

London Heathrow to Portsmouth 2022 flight deals

Cheap flights to Portsmouth from Heathrow found for this year
17 May - 18 May
£46pp
LHR
London Heathrow
748 Air Services
Direct
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
748 Air Services
Direct
LHR
London Heathrow
16 May - 23 May
£46pp
LHR
London Heathrow
748 Air Services
Direct
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
748 Air Services
Direct
LHR
London Heathrow
17 May - 24 May
£47pp
LHR
London Heathrow
748 Air Services
Direct
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
748 Air Services
Direct
LHR
London Heathrow

Last-minute flights from Heathrow to Portsmouth

Late deals on return flights to Portsmouth from Heathrow, departing today and this week
27 May - 29 May
£47pp
LHR
London Heathrow
748 Air Services
Direct
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
748 Air Services
Direct
LHR
London Heathrow
27 May - 29 May
£326pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
Multiple Airlines
 
1 STOP
LHR
London Heathrow
27 May - 29 May
£721pp
LHR
London Heathrow
British Airways
 
1 STOP
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
British Airways
 
1 STOP
LHR
London Heathrow

One-way flights to Portsmouth from London Heathrow

The cheapest one-way flights from Heathrow to Portsmouth
12:15 - 14:25
748 Air Services
Direct
2h 10m
LHR - SOU
748 Air Services
£25
Travel2Be
07:45 - 12:50
KLM
1 stop
5h 05m
LHR - SOU
KLM
09:55 - 09:35
Multiple Airlines
3 stops
23h 40m
LHR - SOU
Multiple Airlines
£505
Kiwi.com

Related info for your journey

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

Flight FAQs

From Heathrow to Portsmouth

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

748 Air Services, AccesRail, and Flybe are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from London Heathrow Airport to Portsmouth for under £100 on Cheapflights?

Yes, there are multiple flights from London Heathrow Airport to Portsmouth for under £100. The cheapest flight booked recently is on 748 Air Services for just £47, but on average you can expect to pay £256.

Are there last-minute flights available from London Heathrow Airport to Portsmouth for under £100?

There are currently 4+ open flights from London Heathrow Airport to Portsmouth within the next 7 days for less than £100.

Alternative routes for Heathrow to Portsmouth

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

Destination information for Portsmouth

Things to know before you go - useful duration and weather info for your trip from Heathrow to Portsmouth.
Flight duration from London Heathrow to Portsmouth
1h 53m
Average temperature for May in Portsmouth
17.0 °C

Airports servicing London

Airports servicing Portsmouth

Hourly flight availability from Heathrow to Portsmouth

See what time of day planes typically take off from Heathrow towards Portsmouth.
Morning 6 AM to midday 42% of flight departures
Afternoon Midday to 6 PM 37% of flight departures
Evening 6 PM to midnight 14% of flight departures
Early morning Midnight to 6 AM 7% of flight departures
Midnight
6 AM
Noon
6 PM
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