Cheap flights from Heathrow to Portsmouth

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

All the information you need to plan the best LHR to SOU flight in 2021: compare Heathrow to Portsmouth flight prices with the expected peak season, weather and rainfall in Portsmouth.
What is the cheapest month to fly from Heathrow to Portsmouth?

Flights from Heathrow to Portsmouth lean towards being more expensive in March. Prices are generally better when you fly from Heathrow to Portsmouth in August, with the cheapest ticket starting at £41.

Cheap flights from Heathrow to Portsmouth in May, June 2021

The best prices found for LHR to SOU flights in May, June
10 Jun - 24 Jun
£284pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
12 Jun - 19 Jun
£327pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
Multiple Airlines
 
1 STOP
LHR
London Heathrow
12 Jun - 19 Jun
£338pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
Multiple Airlines
 
1 STOP
LHR
London Heathrow

Heathrow to Portsmouth 2021 flight deals

Cheap flights to Portsmouth from Heathrow found for this year
13 Aug - 15 Aug
£230pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
13 Aug - 15 Aug
£269pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
Multiple Airlines
 
1 STOP
LHR
London Heathrow
10 Jun - 24 Jun
£284pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
Multiple Airlines
   
2 STOPS
LHR
London Heathrow

One-way flights to Portsmouth from Heathrow

The cheapest one-way flights from Heathrow to Portsmouth
13:45 - 07:40
Multiple Airlines
1 stop
17h 55m
LHR - SOU
Multiple Airlines
£146
Kiwi.com
10:00 - 16:25
Multiple Airlines
1 stop
6h 25m
LHR - SOU
Multiple Airlines
£170
Kiwi.com
03:10 - 15:20
Multiple Airlines
1 stop
12h 10m
LHR - SOU
Multiple Airlines
£236
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

Are flight prices decreasing from Heathrow 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 Heathrow 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.

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

Some of our airline partners flying from London Heathrow to Southampton Eastleigh have new flexible policies in place due to COVID-19. AccesRail and Flybe are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like AccesRail with this kind of flexibility.

What airport do you fly into for flights to Southampton from London Heathrow?

Located just 3.5 mi from the city centre, Southampton Eastleigh is the airport most travellers will use when flying to Southampton from London Heathrow. Booking flights from London Heathrow to Eastleigh (SOU) should be relatively easy as there are 0 daily inbound flights from London Heathrow from 2 different airlines.

Can I find flights from Heathrow to Portsmouth for under £284 on Cheapflights?

Yes, there are multiple flights from Heathrow to Portsmouth for under £284. The cheapest flight booked recently is on Multiple Airlines for just £230, but on average you can expect to pay £596.

Are there direct flights from Heathrow to Portsmouth for under £213 on Cheapflights?

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

Does it rain more in Heathrow or Southampton?

Expected rainfall in Heathrow is less than in Southampton. You can expect this to be the case over the next 19 days.

Is Heathrow weather warmer or cooler than Southampton?

Temperatures around the 24 °Cs can be experienced in July. The weather in Southampton is colder than in Heathrow. Plan for potential changes in flight availability as peak weather approaches in this location.

How long does is the flight from Heathrow to Portsmouth?

There are many flights that can get you from Heathrow to Portsmouth in 4h 10m. Fly via British Airways or KLM to get the fastest option. Both multi-stop and direct flights can be found to your destination and back.

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

British Airways, at £412, was found to be the cheapest airline from Heathrow to Portsmouth. An alternate airline flying to your destination would be KLM.

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

For one-way options, check prices for Loganair. According to our data, you can fly for as low as £187.

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.
Average temperature for May in Portsmouth
17.0 °C

Airports servicing London

Airports servicing Southampton

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