Find flights
When to book
FAQs

Cheap flights from Southampton to London from £71

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/2. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — LON
4 Mar — 11 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to London

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to London
Explore the most affordable flight options available from Southampton to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 February 2026.

Sat 28/215:25
SOU
-
STN
1 stop6h 30m
Multiple Airlines
Sat 7/321:45
STN
-
SOU
1 stop11h 00m
Multiple Airlines
Deal found 31/1£135
Sat 28/215:25
SOU
-
LTN
1 stop4h 30m
Multiple Airlines
Sat 7/309:05
LTN
-
SOU
1 stop4h 05m
Multiple Airlines
Deal found 31/1£139
Sat 28/215:25
SOU
-
LGW
1 stop5h 05m
Multiple Airlines
Sat 7/322:30
LGW
-
SOU
1 stop10h 15m
Multiple Airlines
Deal found 31/1£145
Thu 19/312:20
SOU
-
LTN
1 stop9h 00m
Multiple Airlines
Thu 26/309:00
LTN
-
SOU
1 stop8h 20m
Multiple Airlines
Deal found 1/2£165
Mon 1/612:55
SOU
-
LGW
1 stop4h 05m
easyJet
Sun 7/607:55
LGW
-
SOU
1 stop4h 10m
easyJet
Deal found 2/2£166
Thu 19/320:10
SOU
-
STN
1 stop11h 40m
Multiple Airlines
Thu 26/313:45
STN
-
SOU
1 stop5h 55m
Multiple Airlines
Deal found 1/2£167
Thu 19/317:55
SOU
-
LGW
1 stop4h 15m
Multiple Airlines
Thu 26/311:35
LGW
-
SOU
1 stop8h 05m
Multiple Airlines
Deal found 1/2£170
Fri 6/1117:45
SOU
-
LTN
1 stop4h 15m
Multiple Airlines
Mon 9/1112:20
LTN
-
SOU
1 stop7h 00m
Multiple Airlines
Deal found 1/2£183
Wed 4/212:25
SOU
-
STN
1 stop5h 55m
Multiple Airlines
Fri 6/205:55
STN
-
SOU
1 stop7h 50m
Multiple Airlines
Deal found 31/1£189
Mon 16/219:55
SOU
-
STN
1 stop11h 20m
Multiple Airlines
Fri 20/217:10
STN
-
SOU
2 stops15h 35m
Multiple Airlines
Deal found 1/2£199
Fri 6/1108:10
SOU
-
STN
1 stop8h 15m
Multiple Airlines
Mon 9/1112:00
STN
-
SOU
1 stop7h 20m
Multiple Airlines
Deal found 1/2£208
Wed 4/208:55
SOU
-
LTN
1 stop9h 05m
Multiple Airlines
Fri 6/206:55
LTN
-
SOU
1 stop6h 50m
Multiple Airlines
Deal found 31/1£209

Find flight deals from Southampton to London

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 2 February 2026.

Round-trip from

£135

One-way from

£71
28/2-7/3
  • 28/2-7/3
  • 2 total stops
  • 17h 30m total
  • Southampton to London
Search Deals
28/2
  • 28/2
  • 1 total stop
  • 6h 30m total
  • Southampton to London
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 2 February 2026.
Use the filters below to find and compare flights from Southampton to London that are best for you.

Fly from

Southampton

Fly to

London

Route

Depart

Return

Price

SouthamptonLondon

SOU - STN

SOUSTN

Southampton Eastleigh

Sat 28/2

15:25-21:55

1 stop6h 30m

London Stansted

Sat 7/3

21:45-08:45

1 stop11h 00m

£135

SouthamptonLondon

SOU - LTN

SOULTN

Southampton Eastleigh

Sat 28/2

15:25-19:55

1 stop4h 30m

London Luton

Sat 7/3

09:05-13:10

1 stop4h 05m

£139

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Sat 28/2

15:25-20:30

1 stop5h 05m

London Gatwick

Sat 7/3

22:30-08:45

1 stop10h 15m

£145

SouthamptonLondon

SOU - LTN

SOULTN

Southampton Eastleigh

Thu 19/3

12:20-21:20

1 stop9h 00m

London Luton

Thu 26/3

09:00-17:20

1 stop8h 20m

£165

SouthamptonLondon

SOU - STN

SOUSTN

Southampton Eastleigh

Thu 19/3

20:10-07:50

1 stop11h 40m

London Stansted

Thu 26/3

13:45-19:40

1 stop5h 55m

£167

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Thu 19/3

17:55-22:10

1 stop4h 15m

London Gatwick

Thu 26/3

11:35-19:40

1 stop8h 05m

£170

SouthamptonLondon

SOU - STN

SOUSTN

Southampton Eastleigh

Mon 16/2

19:55-07:15

1 stop11h 20m

London Stansted

Fri 20/2

17:10-08:45

2 stops15h 35m

£199

SouthamptonLondon

SOU - LHR

SOULHR

Southampton Eastleigh

Sat 28/2

09:30-17:50

1 stop8h 20m

London Heathrow

Sat 7/3

19:35-08:45

1 stop13h 10m

£243

SouthamptonLondon

SOU - LTN

SOULTN

Southampton Eastleigh

Mon 16/2

17:45-08:35

2 stops14h 50m

London Luton

Fri 20/2

20:05-08:45

2 stops12h 40m

£245

SouthamptonLondon

SOU - LHR

SOULHR

Southampton Eastleigh

Sat 28/2

09:25-20:50

1 stop11h 25m

London Heathrow

Sat 7/3

08:40-17:00

1 stop8h 20m

£259

Flights are sorted by cheapest return flights first.

Deals found on 31/1

Showing 1-10 of 45 results
1
2
3
...
5

Best time to book a flight from Southampton to London

Have a flexible travel schedule? Discover the best time to fly to London from Southampton with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Southampton to London

What is the cheapest time of day to fly from SOU to LON?

Find hourly flight availability from Southampton to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 February 2026.

A simple way to save on the total cost of your ticket is to fly from Southampton to London at midday. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight in the afternoon.

What’s the top stopover airport for flights from Southampton to London?

Share of one-stop return flights from Southampton to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Saint Peter Port (GCI) – chosen by Cheapflights users on 33% of one-stop itineraries from Southampton to London on Cheapflights.

What’s the cheapest stopover airport for flights from Southampton to London?

Average return fare for one-stop flights from Southampton to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Amsterdam (AMS) is the most affordable one-stop option, with an average return flight price of £343.

What’s the fastest stopover option from Southampton to London?

Shortest average travel time for one-stop one-way flights from Southampton to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Saint Peter Port (GCI) have the shortest average one-way travel time for one-stop routes: 3h 28m.

Which airport typically offers the quickest stopover for flights from Southampton to London?

Average stopover duration for one-stop one-way flights from Southampton to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Belfast (BHD) offer the fastest connection on this route, with an average stopover time of 1h 10m.

Related info for your journey

Find useful and relevant information for your journey from Southampton to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Southampton to London?

    Southampton Eastleigh (SOU), located 3.5 mi from the city center, is the airport you fly out of when you book flights from Southampton to London. 0 airlines have flights from Eastleigh to London on a regular basis. Booking flights from Southampton Eastleigh to London should not be difficult; the airport handles an average of 0 outbound flights to London per day.

  • How long is the flight from Southampton to London?

    Aer Lingus and KLM can get you from Southampton to London in just under 8h 20m. Your travel time can differ by up to 3h 05m. There are 53 mi between Southampton and London. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Southampton to London?

    When deciding which route to take from Southampton to London consider Southampton Eastleigh - London Gatwick, Southampton Eastleigh - London Heathrow or Southampton Eastleigh - London City as they are the most popular.

  • Can I find deals for flights from Southampton to London that include hotel bookings?

    Yes. In addition to deals on Southampton to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southampton to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to London.

  • Can I find deals for business class flights from Southampton to London?

    Yes. Cheapflights offers flight deals from Southampton to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Croydon
Luton
Wembley
Gatwick
Slough
Ilford
Hounslow
Brentford
Hayes
Colchester
Watford
Guildford
Bedford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Romford
Ipswich

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Southampton to London

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Edinburgh flights
Gatwick to Edinburgh flights
Luton to Edinburgh flights
Stansted to Edinburgh flights
London City to Edinburgh flights
Edinburgh to Heathrow flights
Edinburgh to Gatwick flights
Edinburgh to Stansted flights
Edinburgh to Luton flights
Edinburgh to London City flights
Southampton to Edinburgh flights
Bristol to Edinburgh flights
Birmingham to Edinburgh flights
Manchester to Heathrow flights
Manchester to Gatwick flights
Manchester to London City flights
Heathrow to Newcastle upon Tyne flights
Manchester to Stansted flights
Manchester to Luton flights
Heathrow to Manchester flights
Southend to Edinburgh flights
Newcastle upon Tyne to Heathrow flights
Stansted to Manchester flights
Gatwick to Newcastle upon Tyne flights
London City to Manchester flights
Gatwick to Manchester flights
Luton to Manchester flights
Heathrow to Newquay flights
Stansted to Newcastle upon Tyne flights
Luton to Newcastle upon Tyne flights
Heathrow to Gatwick flights
Manchester to Newquay flights
London City to Newquay flights
Stansted to Newquay flights
Gatwick to Newquay flights
Southampton to Manchester flights
Southampton to Newcastle upon Tyne flights
Newcastle upon Tyne to Southampton flights
Newquay to Manchester flights
Luton to Newquay flights
Exeter to Edinburgh flights
Manchester to Southend flights
Edinburgh to Southampton flights
Heathrow to Leeds flights
Edinburgh to Southend flights
London City to Newcastle upon Tyne flights
Newcastle upon Tyne to Gatwick flights
Gatwick to Leeds flights
Bournemouth to Edinburgh flights
Edinburgh to Exeter flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Southampton to London?

Cheapflights helps you search for flights from Southampton to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Southampton to London?

Cheapflights helps you find that perfect flight to London from Southampton by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Southampton to London with no change fees?

Certainly. Search results for flights to London from Southampton shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Southampton to London become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.