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Cheap flights from London to Southampton from £49

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SOU
25 Apr — 2 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Southampton

Enter your travel dates to find the best prices.

Cheapest flights from London to Southampton
Explore the most affordable flight options available from London to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 March 2026.

Thu 23/417:35
STN
-
SOU
1 stop15h 10m
Multiple Airlines
Mon 27/419:20
SOU
-
STN
1 stop15h 15m
Multiple Airlines
Deal found 25/3£105
Thu 23/417:30
LTN
-
SOU
1 stop15h 15m
Multiple Airlines
Mon 27/419:20
SOU
-
LTN
1 stop15h 40m
Multiple Airlines
Deal found 25/3£113
Thu 23/420:35
LGW
-
SOU
1 stop12h 10m
Multiple Airlines
Mon 27/419:20
SOU
-
LGW
1 stop11h 40m
Multiple Airlines
Deal found 25/3£122
Sat 9/522:00
STN
-
SOU
1 stop14h 05m
Multiple Airlines
Sat 16/507:50
SOU
-
STN
1 stop4h 20m
Multiple Airlines
Deal found 25/3£125
Fri 24/422:30
STN
-
SOU
1 stop8h 50m
Multiple Airlines
Mon 27/420:40
SOU
-
STN
1 stop10h 40m
Multiple Airlines
Deal found 21/3£130
Fri 24/422:30
STN
-
SOU
1 stop8h 50m
Multiple Airlines
Tue 28/418:10
SOU
-
STN
1 stop18h 40m
Multiple Airlines
Deal found 22/3£135
Fri 1/519:15
STN
-
SOU
1 stop12h 05m
Multiple Airlines
Tue 5/513:25
SOU
-
STN
1 stop9h 25m
Multiple Airlines
Deal found 22/3£139
Tue 14/421:55
STN
-
SOU
1 stop14h 05m
Multiple Airlines
Sat 18/408:50
SOU
-
STN
1 stop14h 15m
Multiple Airlines
Deal found 25/3£140
Sat 9/507:00
LTN
-
SOU
2 stops24h 55m
Multiple Airlines
Sat 16/507:50
SOU
-
LTN
1 stop8h 30m
Multiple Airlines
Deal found 25/3£143
Wed 6/521:50
LGW
-
SOU
1 stop10h 45m
Multiple Airlines
Wed 13/512:35
SOU
-
LGW
1 stop7h 40m
Multiple Airlines
Deal found 22/3£143
Tue 14/418:20
LGW
-
SOU
1 stop13h 45m
Multiple Airlines
Sat 18/420:00
SOU
-
LGW
1 stop13h 25m
Multiple Airlines
Deal found 25/3£144
Sat 9/518:40
LGW
-
SOU
1 stop13h 15m
Multiple Airlines
Sat 16/519:40
SOU
-
LGW
1 stop12h 50m
Multiple Airlines
Deal found 25/3£146

Find flight deals from London to Southampton

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Southampton (SOU). 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 26 March 2026.

Round-trip from

£105

One-way from

£49
23/4-27/4
  • 23/4-27/4
  • 2 total stops
  • 30h 25m total
  • London to Southampton
Search Deals
9/5
  • 9/5
  • 1 total stop
  • 15h 25m total
  • London to Southampton
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Southampton 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 26 March 2026.
Use the filters below to find and compare flights from London to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Thu 23/4

17:30-08:45

1 stop15h 15m

Southampton Eastleigh

Mon 27/4

19:20-11:00

1 stop15h 40m

£113

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Sat 9/5

16:30-07:55

1 stop15h 25m

Southampton Eastleigh

Sat 16/5

07:50-16:20

1 stop8h 30m

£117

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Thu 23/4

21:55-08:45

1 stop10h 50m

Southampton Eastleigh

Mon 27/4

20:40-07:20

1 stop10h 40m

£118

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Sat 9/5

22:00-12:05

1 stop14h 05m

Southampton Eastleigh

Sat 16/5

07:50-12:10

1 stop4h 20m

£125

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Fri 24/4

22:30-07:20

1 stop8h 50m

Southampton Eastleigh

Mon 27/4

20:40-07:20

1 stop10h 40m

£130

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Fri 1/5

19:15-07:20

1 stop12h 05m

Southampton Eastleigh

Tue 5/5

13:25-22:50

1 stop9h 25m

£139

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Wed 6/5

21:50-08:35

1 stop10h 45m

Southampton Eastleigh

Wed 13/5

12:35-20:15

1 stop7h 40m

£143

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Fri 1/5

22:15-11:45

1 stop13h 30m

Southampton Eastleigh

Sun 3/5

12:35-23:20

1 stop10h 45m

£155

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Fri 1/5

22:15-11:45

1 stop13h 30m

Southampton Eastleigh

Tue 5/5

18:10-09:35

1 stop15h 25m

£155

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Thu 28/5

06:05-11:05

1 stop5h 00m

Southampton Eastleigh

Sun 31/5

18:20-23:15

1 stop4h 55m

£162

Flights are sorted by cheapest return flights first.

Deals found on 22/3

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from London to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from London 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 London to Southampton

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

Find hourly flight availability from London to Southampton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 March 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to Southampton as you normally would.

Related info for your journey

Find useful and relevant information for your journey from London to Southampton. 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 into for flights to Southampton from London?

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

  • How long is the flight from London to Southampton?

    For as low as £279, KLM can have you in Southampton from London in 4h 20m. The distance from London to Southampton is about 53 mi. This flight may include one or multiple stops.

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

    Most travelers choose London Gatwick - Southampton Eastleigh, London Heathrow - Southampton Eastleigh or London City - Southampton Eastleigh when deciding on the best route from London to Southampton.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to Southampton 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to Southampton

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

When you search for this flight from London to Southampton, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to Southampton from London 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 London to Southampton with no change fees?

Certainly. Search results for flights to Southampton from London 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 London to Southampton become cheaper?

Yes, Cheapflights offers price alerts on London to Southampton flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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