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Cheap flights from Southampton to London from £51

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — LON
17 Jul — 24 Jul1
1 adult

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 12 July 2025.

Round-trip from

£179

One-way from

£51
29/8-31/8
  • 29/8-31/8
  • 2 total stops
  • 21h 55m total
  • Southampton to London
easyJet
  • easyJet
  • 1/10
  • 1 total stop
  • 10h 20m 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 12 July 2025.

Fri 29/812:15SOU - STN
1 stop10h 45mMultiple Airlines
Sun 31/822:00STN - SOU
1 stop11h 10mMultiple Airlines
Deal found 10/7£179
Mon 25/820:00SOU - LTN
1 stop13h 00mMultiple Airlines
Mon 1/921:55LTN - SOU
1 stop10h 45mMultiple Airlines
Deal found 11/7£192
Fri 29/816:25SOU - LGW
1 stop6h 25mMultiple Airlines
Sun 31/819:40LGW - SOU
1 stop12h 00mMultiple Airlines
Deal found 10/7£199
Thu 7/818:25SOU - LHR
1 stop16h 20mKLM
Thu 14/808:40LHR - SOU
1 stop9h 10mKLM
Deal found 10/7£264
Fri 14/1118:10SOU - LHR
1 stop4h 20mBritish Airways
Mon 17/1116:55LHR - SOU
1 stop4h 00mBritish Airways
Deal found 11/7£289
Fri 29/816:10SOU - LHR
1 stop4h 10mMultiple Airlines
Sun 31/808:00LHR - SOU
1 stop4h 40mMultiple Airlines
Deal found 11/7£315
Fri 29/809:20SOU - LCY
1 stop9h 10mKLM
Sun 31/820:45LCY - SOU
1 stop12h 00mKLM
Deal found 10/7£317
Tue 5/815:35SOU - LGW
1 stop3h 35mAurigny Air
Tue 12/819:40LGW - SOU
1 stop11h 50mAurigny Air
Deal found 11/7£339
Tue 5/819:50SOU - LCY
1 stop12h 10mAurigny Air
Tue 12/819:20LCY - SOU
1 stop12h 10mAurigny Air
Deal found 11/7£341
Thu 7/815:35SOU - LCY
1 stop3h 15mMultiple Airlines
Thu 14/806:55LCY - SOU
1 stop4h 00mMultiple Airlines
Deal found 10/7£363
Mon 25/809:40SOU - LHR
1 stop9h 15mAer Lingus
Mon 1/921:10LHR - SOU
1 stop11h 30mAer Lingus
Deal found 11/7£364
Thu 7/809:20SOU - SEN
1 stop7h 20mMultiple Airlines
Thu 14/813:55SEN - SOU
1 stop3h 55mMultiple Airlines
Deal found 10/7£531

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 12 July 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 - STN

SOUSTN

Southampton Eastleigh

Fri 29/8

12:15-23:00

1 stop10h 45m

London Stansted

Sun 31/8

22:00-09:10

1 stop11h 10m

£179

SouthamptonLondon

SOU - LTN

SOULTN

Southampton Eastleigh

Mon 25/8

20:00-09:00

1 stop13h 00m

London Luton

Mon 1/9

21:55-08:40

1 stop10h 45m

£192

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Fri 29/8

16:25-22:50

1 stop6h 25m

London Gatwick

Sun 31/8

19:40-07:40

1 stop12h 00m

£199

SouthamptonLondon

SOU - LHR

SOULHR

Southampton Eastleigh

Thu 7/8

18:25-10:45

1 stop16h 20m

London Heathrow

Thu 14/8

08:40-17:50

1 stop9h 10m

£264

SouthamptonLondon

SOU - LHR

SOULHR

Southampton Eastleigh

Fri 14/11

18:10-22:30

1 stop4h 20m

London Heathrow

Mon 17/11

16:55-20:55

1 stop4h 00m

£289

SouthamptonLondon

SOU - LHR

SOULHR

Southampton Eastleigh

Fri 29/8

16:10-20:20

1 stop4h 10m

London Heathrow

Sun 31/8

08:00-12:40

1 stop4h 40m

£315

SouthamptonLondon

SOU - LCY

SOULCY

Southampton Eastleigh

Fri 29/8

09:20-18:30

1 stop9h 10m

London City

Sun 31/8

20:45-08:45

1 stop12h 00m

£317

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Tue 5/8

15:35-19:10

1 stop3h 35m

London Gatwick

Tue 12/8

19:40-07:30

1 stop11h 50m

£339

SouthamptonLondon

SOU - LCY

SOULCY

Southampton Eastleigh

Tue 5/8

19:50-08:00

1 stop12h 10m

London City

Tue 12/8

19:20-07:30

1 stop12h 10m

£341

SouthamptonLondon

SOU - LCY

SOULCY

Southampton Eastleigh

Thu 7/8

15:35-18:50

1 stop3h 15m

London City

Thu 14/8

06:55-10:55

1 stop4h 00m

£363

Flights are sorted by cheapest return flights first.

Deals found on 11/7

Showing 1-10 of 21 results
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2
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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 12 July 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.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 12 July 2025.
Check out reviews from past customers who have flown with KLM, Aer Lingus, andeasyJet from Southampton to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.7

Food

7.3

Overall

7.8

Boarding

7.8

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Comfort

7.7

Food

7.3

Overall

7.8

Boarding

7.8

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Comfort

7.7

Food

7.3

Overall

7.8

Boarding

7.8

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Comfort

7.7

Food

7.3

Overall

7.8

Boarding

7.8

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Comfort

7.7

Food

7.3

Overall

7.8

Boarding

7.8

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • What are the cheapest airlines to fly from Southampton to London one-way?

    £51 is the cheapest one-way deal found within the past few days, from easyJet. You may also be able to find cheap deals on Aurigny Air and Aer Lingus, with prices starting from £146 and £261, 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 Southampton?

Book flights to Southampton if you plan to visit one of these locations
Hounslow
Croydon
Milton Keynes
Deal
Gatwick
Slough
Luton
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Crawley
Eastbourne
Ilford
Hayes
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Watford
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Maidstone
Guildford
Chichester

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Alternative routes for Southampton to London

See prices for flight routes from nearby airports that may be better suited for you.

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

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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!

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