Cheap flights from Portsmouth to Heathrow

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

What is the cheapest day to fly return from Portsmouth to Heathrow?

Users have found that leaving on a Friday can be a cost-effective option. It’s possible to save up to 9% on your flight compared to booking on days when demand is much higher.

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

Find a great deal and save up to 42% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Portsmouth to Heathrow within the next two weeks, with the cheapest ticket starting at £57.

When is the cheapest time to fly from Portsmouth to Heathrow (SOU - LHR)?

It’s optimal to fly from Portsmouth to Heathrow in the midday. By choosing this option you can save up to 77% on the cost of your flight, compared to a flight in the morning.

Cheap flights from Portsmouth to Heathrow in August, September 2020

The best prices found for SOU to LHR flights in August, September
27 Jul - 29 Jul
£565pp
SOU
Southampton Eastleigh
Multiple airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
 
1 STOP
SOU
Southampton Eastleigh

Portsmouth to Heathrow 2020 flight deals

Cheap flights to Heathrow from Portsmouth found for this year
27 Jul - 29 Jul
£565pp
SOU
Southampton Eastleigh
Multiple airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
 
1 STOP
SOU
Southampton Eastleigh

Last-minute flights from Portsmouth to Heathrow

Late deals on return flights to Heathrow from Portsmouth, departing today and this week
27 Jul - 29 Jul
£565pp
SOU
Southampton Eastleigh
Multiple airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
 
1 STOP
SOU
Southampton Eastleigh

Related info for your journey

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

Flight FAQs

From Portsmouth to Heathrow

Are flight prices decreasing from Southampton to Heathrow 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 Southampton and Heathrow 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 Portsmouth to Heathrow for under £600 on Cheapflights?

Yes, there are multiple flights from Portsmouth to Heathrow for under £600. The cheapest flight booked recently is on Multiple Airlines for just £565, but on average you can expect to pay £565.

Are there direct flights from Portsmouth to Heathrow for under £600 on Cheapflights?

There are no direct flights from Portsmouth to Heathrow, 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 Portsmouth to Heathrow for under £600?

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

Does it rain more in Southampton or Heathrow?

The rainfall in Southampton is generally more than the rainfall in Heathrow. This will continue over the next 9 days.

Is Southampton weather warmer or cooler than Heathrow?

Expect the weather to be around 24 °C on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Heathrow is generally hotter than in Southampton.

Alternative routes for Portsmouth to Heathrow

Destination information for Heathrow

Things to know before you go. Useful info for your trip from Portsmouth to Heathrow
Average temperature for August in Heathrow
24.0 °C
Avg rainfall for August in Heathrow
65.0 mm

Airports servicing Southampton

Airports servicing London