£117 Find Cheap Flights from London to Portsmouth

This is the cheapest return flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to Portsmouth departing on 23/3. 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
£117
Multiple Airlines
Mon 23/3Mon 30/3
STN - SOU • 1 stop
Cheapest one-way flight
£139
British Airways
Wed 15/7
LHR - SOU • 1 stop
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Flight Deals
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Flight Deals

Cheap Flights from London to Portsmouth (LON-SOU)

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

Mon, 23 Mar - Mon, 30 Mar
Multiple Airlines Logo
21:05 - 08:50
STN
-
SOU
11h 45m
1 stop
Multiple Airlines Logo
12:25 - 20:10
SOU
-
STN
7h 45m
1 stop
£117Multiple Airlines
Mon, 23 Mar - Mon, 30 Mar
Multiple Airlines Logo
17:00 - 08:50
STN
-
SOU
15h 50m
2 stops
Multiple Airlines Logo
12:25 - 20:10
SOU
-
STN
7h 45m
1 stop
£129Multiple Airlines
Sat, 14 Mar - Sun, 15 Mar
easyJet Logo
07:30 - 13:10
LGW
-
SOU
5h 40m
1 stop
easyJet Logo
18:20 - 22:00
SOU
-
LGW
27h 40m
1 stop
£140easyJet
Sat, 21 Mar - Tue, 24 Mar
easyJet Logo
08:15 - 13:10
STN
-
SOU
4h 55m
1 stop
easyJet Logo
09:20 - 08:35
SOU
-
STN
23h 15m
1 stop
£142easyJet
Sat, 21 Mar - Tue, 24 Mar
Aer Lingus Logo
18:45 - 08:45
LHR
-
SOU
14h 00m
1 stop
Aer Lingus Logo
12:25 - 19:50
SOU
-
LHR
7h 25m
1 stop
£236Aer Lingus
Sat, 14 Mar - Sun, 15 Mar
KLM Logo
06:30 - 17:00
LHR
-
SOU
10h 30m
1 stop
KLM Logo
09:30 - 16:05
SOU
-
LHR
6h 35m
1 stop
£259KLM
Sat, 14 Mar - Sun, 15 Mar
KLM Logo
08:40 - 17:00
LCY
-
SOU
8h 20m
1 stop
KLM Logo
09:30 - 17:20
SOU
-
LCY
7h 50m
1 stop
£265KLM
Sun, 8 Mar - Sun, 15 Mar
Aer Lingus Logo
18:45 - 08:45
LHR
-
SOU
14h 00m
1 stop
Aer Lingus Logo
20:10 - 10:10
SOU
-
LHR
14h 00m
1 stop
£267Aer Lingus
Thu, 26 Mar - Tue, 7 Apr
British Airways Logo
12:50 - 17:30
LHR
-
SOU
4h 40m
1 stop
British Airways Logo
12:35 - 17:10
SOU
-
LHR
4h 35m
1 stop
£310British Airways
Fri, 20 Mar - Tue, 24 Mar
British Airways Logo
07:10 - 17:30
LHR
-
SOU
10h 20m
1 stop
British Airways Logo
12:15 - 20:45
SOU
-
LHR
8h 30m
1 stop
£313British Airways
Useful Info

Good to know - Cheap tickets from London to Portsmouth

Cheapest flight£117
Flight from London Stansted Airport to Southampton

When to book flights from London to Portsmouth

Are your dates flexible? Find out the best times to travel from London to Portsmouth 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 London to Portsmouth

  • Which airports will I be using when flying from London to Portsmouth?

    When flying out of London you’ll be using one of these airports: London City, London Gatwick, London Heathrow, London Luton, London Southend or London Stansted. Portsmouth does not have its own airport so you’ll be flying into nearby Southampton Eastleigh airport, which is 14.7 mi away.

  • How long does a flight from London to Portsmouth take?

    Direct flights cover the 65 miles separating London and Portsmouth in about 1h 45m.

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

    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 London to Portsmouth.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Portsmouth from London 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 London to Portsmouth?

    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 Portsmouth with an airline and back to London with another airline.

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

    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 Portsmouth from London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights from London to Portsmouth

  • There is no airport in Portsmouth. Instead, you’ll be flying into Southampton Airport when flying between London and Portsmouth.

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

Complete your trip to Portsmouth with a hotel stay or car hire