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 15/6. 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, 0 bags

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Everything you should know

Cheapest return fare
£223
Multiple Airlines
Tue 7/7Wed 29/7
SOU - LHR • 1 stop
Cheapest one-way flight
£94
Multiple Airlines
Mon 15/6
SOU - LHR • 2 stops
Direct flights
Every day
You can fly direct with ANA, AccesRail, and others. Average duration is 0
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
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We hope you love your trip to Heathrow!
Flight Deals
Useful Info
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

Tue, 7 Jul - Wed, 29 Jul
Multiple Airlines Logo
14:15 - 20:05
SOU
-
LHR
5h 50m
1 stop
Multiple Airlines Logo
15:10 - 19:30
LHR
-
SOU
4h 20m
1 stop
£223Multiple Airlines
Tue, 7 Jul - Wed, 29 Jul
Multiple Airlines Logo
14:15 - 20:05
SOU
-
LHR
5h 50m
1 stop
Multiple Airlines Logo
15:10 - 19:30
LHR
-
SOU
4h 20m
1 stop
£241Multiple Airlines
Thu, 16 Jul - Wed, 22 Jul
Aer Lingus Logo
09:20 - 20:20
SOU
-
LHR
11h 00m
1 stop
Aer Lingus Logo
15:10 - 19:30
LHR
-
SOU
4h 20m
1 stop
£244Aer Lingus
Tue, 30 Jun - Tue, 7 Jul
KLM Logo
17:20 - 20:55
SOU
-
LHR
3h 35m
1 stop
KLM Logo
20:55 - 08:45
LHR
-
SOU
11h 50m
1 stop
£271KLM
Fri, 3 Jul - Fri, 10 Jul
Multiple Airlines Logo
20:00 - 08:05
SOU
-
LHR
12h 05m
1 stop
Multiple Airlines Logo
09:55 - 19:40
LHR
-
SOU
9h 45m
1 stop
£272Multiple Airlines
Wed, 1 Jul - Wed, 8 Jul
Aer Lingus Logo
09:20 - 20:20
SOU
-
LHR
11h 00m
1 stop
Aer Lingus Logo
07:40 - 19:30
LHR
-
SOU
11h 50m
1 stop
£288Aer Lingus
Thu, 9 Jul - Wed, 15 Jul
Aer Lingus Logo
09:20 - 13:55
SOU
-
LHR
4h 35m
1 stop
Aer Lingus Logo
15:10 - 19:30
LHR
-
SOU
4h 20m
1 stop
£293Aer Lingus
Thu, 16 Jul - Wed, 22 Jul
Aer Lingus Logo
09:20 - 20:20
SOU
-
LHR
11h 00m
1 stop
Aer Lingus Logo
15:10 - 19:30
LHR
-
SOU
4h 20m
1 stop
£293Aer Lingus
Wed, 1 Jul - Wed, 8 Jul
Aer Lingus Logo
09:20 - 15:00
SOU
-
LHR
5h 40m
1 stop
Aer Lingus Logo
15:10 - 19:30
LHR
-
SOU
4h 20m
1 stop
£295Aer Lingus
Sat, 4 Jul - Sun, 5 Jul
Aer Lingus Logo
20:00 - 08:05
SOU
-
LHR
12h 05m
1 stop
Aer Lingus Logo
22:00 - 08:40
LHR
-
SOU
10h 40m
1 stop
£304Aer Lingus
Useful Info

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

Low seasonJanuary
Cheapest flight£94
Best time to beat the crowds (16% 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)