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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

£94 CHEAP FLIGHTS from Portsmouth to London

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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.

Round-trip

One-way

Last minute

Recent return flight deals from Portsmouth to London

lun., 13 oct. - lun., 20 oct.

20:30 - 12:25SOU-STN

15h 55m2 stops

22:00 - 08:15STN-SOU

10h 15m1 stop

£128Multiple Airlines

Find Deal

jue., 16 oct. - mié., 22 oct.

15:05 - 22:10SOU-LTN

7h 05m1 stop

19:20 - 12:45LTN-SOU

17h 25m1 stop

£128easyJet

Find Deal

mié., 29 oct. - mié., 5 nov.

16:05 - 21:05SOU-LHR

5h 00m1 stop

08:50 - 15:35LHR-SOU

6h 45m1 stop

£194Aer Lingus

Find Deal

jue., 30 oct. - jue., 6 nov.

09:30 - 15:35SOU-LHR

6h 05m1 stop

15:10 - 19:40LHR-SOU

4h 30m1 stop

£213Aer Lingus

Find Deal

jue., 16 oct. - mié., 22 oct.

09:20 - 18:30SOU-LCY

9h 10m1 stop

08:40 - 17:00LCY-SOU

8h 20m1 stop

£275KLM

Find Deal

lun., 13 oct. - lun., 20 oct.

09:20 - 19:25SOU-LHR

10h 05m1 stop

20:55 - 08:45LHR-SOU

11h 50m1 stop

£299KLM

Find Deal

mié., 29 oct. - mié., 5 nov.

14:25 - 21:05SOU-LHR

6h 40m2 stops

08:05 - 13:55LHR-SOU

5h 50m2 stops

£335British Airways

Find Deal

lun., 29 dic. - lun., 2 feb.

12:20 - 16:05SOU-LHR

3h 45m1 stop

07:00 - 11:50LHR-SOU

4h 50m1 stop

£344British Airways

Find Deal

jue., 30 oct. - jue., 6 nov.

14:15 - 18:50SOU-LCY

4h 35m1 stop

19:20 - 07:30LCY-SOU

12h 10m1 stop

£345Aurigny Air

Find Deal

lun., 13 oct. - lun., 20 oct.

19:50 - 07:55SOU-LGW

12h 05m1 stop

16:25 - 07:30LGW-SOU

15h 05m1 stop

£348Aurigny Air

Find Deal

Cheapest return fare

£128

Multiple Airlines

lun. 13/10lun. 20/10

SOU - STN • 2 stops

Cheapest one-way flight

£94

Aer Lingus

mar. 14/10

SOU - LHR • 1 stop

Start a new search

KAYAK searches hundreds of sites at once to find you the best travel deals.

We hope you love your trip to London!

Useful Info

Low season	September
High season	December
Cheapest flight	£94

Best time to beat the crowds but there is an average 2% increase in price.

Most popular time to fly and prices are also 2% lower on average.

Flight from Southampton to London Heathrow 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

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

Complete your trip

Direct flights

Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to Portsmouth

First Class flights to Londonfrom £1,101

Business Class flights to Londonfrom £169

Prem Econ Class flights to Londonfrom £138

Economy class flights to Londonfrom £11

Not what you’re looking for? Find thousands of other hotels, flights, car hires and package deals with KAYAK.

£94 Find Cheap Flights from Portsmouth to London

KAYAK searches hundreds of travel sites at once for deals on flights to London

Cheap Flights from Portsmouth to London

Recent return flight deals from Portsmouth to London

Recent one-way flight deals from Portsmouth to London

Recent last minute flight deals from Portsmouth to London

Everything you should know

Good to know - Cheap tickets from Portsmouth to London

When to book flights from Portsmouth to London

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

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

Find direct flights for London

Flights to other popular destinations

Flights from domestic origins to Portsmouth

Choose which airport to fly into in Portsmouth

Find deals for your return flight