£146 Find Cheap Flights from Portsmouth to London

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 London departing on 14/3. 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
£157
Multiple Airlines
Fri 27/2Fri 6/3
SOU - STN • 1 stop
Cheapest one-way flight
£141
Aurigny Air
Sat 14/3
SOU - LGW • 1 stop
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Flight Deals
Useful Info
Flight Deals

Cheap Flights from Portsmouth to London

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Portsmouth to London 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 London

Fri, 27 Feb - Fri, 6 Mar
Multiple Airlines Logo
19:50 - 07:15
SOU
-
STN
11h 25m
1 stop
Multiple Airlines Logo
21:45 - 08:45
STN
-
SOU
11h 00m
1 stop
£157Multiple Airlines
Thu, 26 Feb - Thu, 5 Mar
Multiple Airlines Logo
19:00 - 15:50
SOU
-
STN
20h 50m
1 stop
Multiple Airlines Logo
21:20 - 19:20
STN
-
SOU
22h 00m
1 stop
£159Multiple Airlines
Fri, 27 Feb - Fri, 6 Mar
Multiple Airlines Logo
19:50 - 07:15
SOU
-
STN
11h 25m
1 stop
Multiple Airlines Logo
21:45 - 13:10
STN
-
SOU
15h 25m
2 stops
£161Multiple Airlines
Fri, 27 Feb - Fri, 6 Mar
Multiple Airlines Logo
19:50 - 09:10
SOU
-
LGW
13h 20m
1 stop
Multiple Airlines Logo
09:50 - 19:20
LGW
-
SOU
9h 30m
1 stop
£174Multiple Airlines
Fri, 27 Feb - Fri, 6 Mar
KLM Logo
17:35 - 20:50
SOU
-
LHR
3h 15m
1 stop
KLM Logo
20:25 - 08:50
LHR
-
SOU
12h 25m
1 stop
£247KLM
Thu, 26 Feb - Thu, 5 Mar
KLM Logo
18:05 - 10:45
SOU
-
LHR
16h 40m
1 stop
KLM Logo
17:05 - 08:20
LHR
-
SOU
15h 15m
1 stop
£269KLM
Mon, 9 Mar - Tue, 17 Mar
British Airways Logo
12:00 - 21:05
SOU
-
LHR
9h 05m
1 stop
British Airways Logo
06:40 - 17:30
LHR
-
SOU
10h 50m
1 stop
£281British Airways
Mon, 9 Mar - Thu, 19 Mar
British Airways Logo
12:00 - 19:50
SOU
-
LHR
7h 50m
1 stop
British Airways Logo
06:50 - 17:30
LHR
-
SOU
10h 40m
1 stop
£290British Airways
Tue, 17 Mar - Sat, 21 Mar
Aurigny Air Logo
08:00 - 17:45
SOU
-
LGW
9h 45m
1 stop
Aurigny Air Logo
11:05 - 19:05
LGW
-
SOU
8h 00m
1 stop
£297Aurigny Air
Wed, 18 Mar - Sat, 21 Mar
Aurigny Air Logo
19:35 - 07:55
SOU
-
LGW
12h 20m
1 stop
Aurigny Air Logo
11:05 - 19:05
LGW
-
SOU
8h 00m
1 stop
£301Aurigny Air
Useful Info

Good to know - Cheap tickets from Portsmouth to London

Low seasonJanuary
Cheapest flight£141
Best time to beat the crowds but there is an average 1% increase in price.
Most popular time to fly and prices are also 5% lower on average.
Flight from Southampton to London Gatwick Airport

When to book flights from Portsmouth to London

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

FAQs for booking flights from Portsmouth to London

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

    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.

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

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

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

    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 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?

    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 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 London

Cabin class types available on flights to Portsmouth

Cabin classes available on flights to Portsmouth. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Londonfrom £258
Business Class flights to Londonfrom £167
Premium Economy Class flights to Londonfrom £189
Economy class flights to Londonfrom £9