LHR

£94 Find Cheap Flights from Portsmouth to London Heathrow Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portsmouth to Heathrow departing on 14/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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Flight Deals

Cheap Flights from Portsmouth to Heathrow

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Portsmouth to Heathrow that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Portsmouth to Heathrow

Mon, 29 Sep - Fri, 3 Oct
Multiple Airlines Logo
08:05 - 14:15SOU-LHR
6h 10m1 stop
Multiple Airlines Logo
15:05 - 18:55LHR-SOU
3h 50m1 stop
£175Multiple Airlines
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Aer Lingus Logo
16:05 - 21:05SOU-LHR
5h 00m1 stop
Aer Lingus Logo
08:50 - 15:35LHR-SOU
6h 45m1 stop
£194Aer Lingus
Find Deal
Mon, 29 Sep - Thu, 2 Oct
Multiple Airlines Logo
08:05 - 14:15SOU-LHR
6h 10m1 stop
Multiple Airlines Logo
15:50 - 08:40LHR-SOU
16h 50m1 stop
£211Multiple Airlines
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Aer Lingus Logo
09:30 - 15:35SOU-LHR
6h 05m1 stop
Aer Lingus Logo
15:10 - 19:40LHR-SOU
4h 30m1 stop
£213Aer Lingus
Find Deal
Mon, 29 Sep - Fri, 3 Oct
Multiple Airlines Logo
08:05 - 14:15SOU-LHR
6h 10m1 stop
Multiple Airlines Logo
08:55 - 18:55LHR-SOU
10h 00m2 stops
£227Multiple Airlines
Find Deal
Tue, 30 Sep - Fri, 3 Oct
Multiple Airlines Logo
20:00 - 10:20SOU-LHR
14h 20m1 stop
Multiple Airlines Logo
15:05 - 18:55LHR-SOU
3h 50m1 stop
£230Multiple Airlines
Find Deal
Mon, 29 Sep - Thu, 2 Oct
Multiple Airlines Logo
08:05 - 14:15SOU-LHR
6h 10m1 stop
Multiple Airlines Logo
20:50 - 18:55LHR-SOU
22h 05m2 stops
£236Multiple Airlines
Find Deal
Mon, 13 Oct - Mon, 20 Oct
KLM Logo
09:20 - 19:25SOU-LHR
10h 05m1 stop
KLM Logo
20:55 - 08:45LHR-SOU
11h 50m1 stop
£299KLM
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Wed, 29 Oct - Wed, 5 Nov
British Airways Logo
14:25 - 21:05SOU-LHR
6h 40m2 stops
British Airways Logo
08:05 - 13:55LHR-SOU
5h 50m2 stops
£335British Airways
Find Deal
Mon, 29 Dec - Mon, 2 Feb
British Airways Logo
12:20 - 16:05SOU-LHR
3h 45m1 stop
British Airways Logo
07:00 - 11:50LHR-SOU
4h 50m1 stop
£344British Airways
Find Deal

Everything you should know

Cheapest return fare
£175
Multiple Airlines
Mon 29/9Fri 3/10
SOU - LHR • 1 stop
Cheapest one-way flight
£94
Aer Lingus
Tue 14/10
SOU - LHR • 1 stop
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Heathrow!
Useful Info

Good to know - Cheap tickets from Portsmouth to London Heathrow Airport

Low seasonJanuary
Cheapest flight£94
Best time to beat the crowds (24% less expensive on average)
Most popular time to fly (15% more expensive on average)
Flight from Southampton to London Heathrow Airport

When to book flights from Portsmouth to Heathrow

Are your dates flexible? Find out the best times to travel from Portsmouth to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

FAQs for booking Portsmouth to London Heathrow Airport flights

  • How does KAYAK find such low prices on flights from Portsmouth to London Heathrow Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portsmouth to London Heathrow Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portsmouth to London Heathrow Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Portsmouth is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portsmouth to London Heathrow Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London Heathrow Airport with an airline and back to Portsmouth with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portsmouth to London Heathrow Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London Heathrow Airport from Portsmouth up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Portsmouth to Heathrow

Information on your arrival and departure airports

Heathrow (LHR)

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