Cheap flights from Southampton to London from £94

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — LON
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheap 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 16 September 2025.

Round-trip from

£128

One-way from

£94
13/10-20/10
  • 13/10-20/10
  • 3 total stops
  • 26h 10m total
  • Southampton to London
Aer Lingus
  • Aer Lingus
  • 14/10
  • 1 total stop
  • 12h 00m total
  • Southampton to London

Find flight deals from Southampton to London

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 16 September 2025.

Mon 13/1020:30SOU - STN
2 stops15h 55mMultiple Airlines
Mon 20/1022:00STN - SOU
1 stop10h 15mMultiple Airlines
Deal found 15/9£128
Thu 16/1015:05SOU - LTN
1 stop7h 05measyJet
Wed 22/1019:20LTN - SOU
1 stop17h 25measyJet
Deal found 15/9£129
Sun 12/1013:10SOU - LGW
1 stop20h 35mMultiple Airlines
Sun 19/1019:40LGW - SOU
1 stop12h 00mMultiple Airlines
Deal found 14/9£143
Thu 16/1008:55SOU - LGW
1 stop13h 50mMultiple Airlines
Wed 22/1021:50LGW - SOU
1 stop14h 55mMultiple Airlines
Deal found 15/9£144
Wed 29/1016:05SOU - STN
1 stop5h 15mMultiple Airlines
Wed 5/1108:30STN - SOU
1 stop7h 05mMultiple Airlines
Deal found 14/9£147
Wed 29/1020:10SOU - LTN
1 stop12h 25mMultiple Airlines
Wed 5/1106:50LTN - SOU
1 stop5h 05mMultiple Airlines
Deal found 14/9£149
Thu 30/1020:10SOU - STN
1 stop11h 40mMultiple Airlines
Thu 6/1108:30STN - SOU
1 stop7h 05mMultiple Airlines
Deal found 15/9£149
Thu 30/1009:30SOU - LTN
1 stop7h 35mMultiple Airlines
Thu 6/1114:10LTN - SOU
1 stop5h 30mMultiple Airlines
Deal found 15/9£156
Wed 1/1020:00SOU - STN
1 stop12h 55mMultiple Airlines
Sun 5/1006:45STN - SOU
1 stop4h 40mMultiple Airlines
Deal found 16/9£156
Wed 29/1012:25SOU - LGW
1 stop7h 05mMultiple Airlines
Wed 5/1111:15LGW - SOU
1 stop8h 25mMultiple Airlines
Deal found 14/9£160
Thu 30/1009:30SOU - LGW
1 stop9h 25mMultiple Airlines
Thu 6/1110:25LGW - SOU
1 stop5h 10mMultiple Airlines
Deal found 15/9£164
Wed 1/1020:00SOU - LGW
1 stop11h 45mMultiple Airlines
Sun 5/1008:55LGW - SOU
1 stop24h 15mMultiple Airlines
Deal found 16/9£166

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 16 September 2025.
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 - LTN

SOULTN

Southampton Eastleigh

Thu 16/10

15:05-22:10

1 stop7h 05m

London Luton

Wed 22/10

19:20-12:45

1 stop17h 25m

£129

SouthamptonLondon

SOU - STN

SOUSTN

Southampton Eastleigh

Mon 13/10

20:00-07:50

1 stop11h 50m

London Stansted

Mon 20/10

22:00-08:15

1 stop10h 15m

£139

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Sun 12/10

13:10-09:45

1 stop20h 35m

London Gatwick

Sun 19/10

19:40-07:40

1 stop12h 00m

£143

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Thu 16/10

08:55-22:45

1 stop13h 50m

London Gatwick

Wed 22/10

21:50-12:45

1 stop14h 55m

£144

SouthamptonLondon

SOU - STN

SOUSTN

Southampton Eastleigh

Wed 29/10

16:05-21:20

1 stop5h 15m

London Stansted

Wed 5/11

08:30-15:35

1 stop7h 05m

£147

SouthamptonLondon

SOU - LTN

SOULTN

Southampton Eastleigh

Wed 29/10

20:10-08:35

1 stop12h 25m

London Luton

Wed 5/11

06:50-11:55

1 stop5h 05m

£149

SouthamptonLondon

SOU - STN

SOUSTN

Southampton Eastleigh

Thu 30/10

20:10-07:50

1 stop11h 40m

London Stansted

Thu 6/11

08:30-15:35

1 stop7h 05m

£149

SouthamptonLondon

SOU - LTN

SOULTN

Southampton Eastleigh

Thu 30/10

09:30-17:05

1 stop7h 35m

London Luton

Thu 6/11

14:10-19:40

1 stop5h 30m

£156

SouthamptonLondon

SOU - STN

SOUSTN

Southampton Eastleigh

Wed 1/10

20:00-08:55

1 stop12h 55m

London Stansted

Sun 5/10

06:45-11:25

1 stop4h 40m

£156

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Wed 29/10

12:25-19:30

1 stop7h 05m

London Gatwick

Wed 5/11

11:15-19:40

1 stop8h 25m

£160

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 37 results
1
2
3
4

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 16 September 2025.

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 24% on your trip compared to booking a flight in the evening.

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 36% 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 £275.

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 20m.

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?

    easyJet, Aer Lingus, and KLM can get you from Southampton to London in just under 5h. Your travel time can differ by up to 4h 10m. 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 cheapest airlines to fly from Southampton to London one-way?

    £94 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on Aurigny Air and British Airways, with prices starting from £169 and £171, respectively.

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

  • 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.

  • What is the cheapest month to book a flight from Southampton to London?

    Currently, January is the cheapest month in which you can book a flight from Southampton to London (average of £112). Flying from Southampton to London in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Hounslow
Slough
Gatwick
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Ipswich
Dartford
Guildford
Brentford
Bishop's Stortford
Romford

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.

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.