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Cheap flights from Southampton to London from £72

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Southampton to London departing on 8/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:30 - 22:40
SOU
-
STN
10h 10m
1 stop
Multiple Airlines Logo
18:20 - 08:35
STN
-
SOU
14h 15m
1 stop
£124Multiple Airlines
Wed, 1 Jul - Wed, 8 Jul
Multiple Airlines Logo
12:30 - 22:40
SOU
-
STN
10h 10m
1 stop
Multiple Airlines Logo
18:20 - 08:35
STN
-
SOU
14h 15m
1 stop
£125Multiple Airlines
Wed, 1 Jul - Wed, 8 Jul
easyJet Logo
11:40 - 22:50
SOU
-
LGW
11h 10m
1 stop
easyJet Logo
06:25 - 12:00
LGW
-
SOU
5h 35m
1 stop
£170easyJet
Thu, 16 Jul - Wed, 22 Jul
easyJet Logo
15:25 - 23:10
SOU
-
SEN
7h 45m
1 stop
easyJet Logo
06:30 - 13:45
SEN
-
SOU
7h 15m
1 stop
£196easyJet
Thu, 2 Jul - Tue, 7 Jul
KLM Logo
17:20 - 20:55
SOU
-
LHR
3h 35m
1 stop
KLM Logo
20:55 - 08:35
LHR
-
SOU
11h 40m
1 stop
£256KLM
Mon, 22 Jun - Mon, 29 Jun
Aer Lingus Logo
20:00 - 08:05
SOU
-
LHR
12h 05m
1 stop
Aer Lingus Logo
15:10 - 19:30
LHR
-
SOU
4h 20m
1 stop
£268Aer Lingus
Thu, 16 Jul - Wed, 22 Jul
KLM Logo
17:20 - 20:55
SOU
-
LHR
3h 35m
1 stop
KLM Logo
19:15 - 08:45
LHR
-
SOU
13h 30m
1 stop
£283KLM
Tue, 23 Jun - Fri, 26 Jun
Aer Lingus Logo
09:20 - 20:20
SOU
-
LHR
11h 00m
1 stop
Aer Lingus Logo
15:10 - 19:30
LHR
-
SOU
4h 20m
1 stop
£285Aer Lingus
Wed, 1 Jul - Wed, 8 Jul
Aurigny Air Logo
15:15 - 18:50
SOU
-
LCY
3h 35m
1 stop
Aurigny Air Logo
08:30 - 19:25
LCY
-
SOU
10h 55m
1 stop
£322Aurigny Air
Tue, 21 Jul - Tue, 28 Jul
Aurigny Air Logo
19:55 - 08:00
SOU
-
LCY
12h 05m
1 stop
Aurigny Air Logo
08:30 - 19:25
LCY
-
SOU
10h 55m
1 stop
£368Aurigny Air
Thu, 16 Jul - Wed, 22 Jul

Aer Lingus flights from Southampton to London

Our best Aer Lingus deals on Southampton to London flight tickets
Aer Lingus
16 Jul
SOU20:00Southampton Eastleigh
12h 05m
1 stop
LHR08:05London Heathrow
22 Jul
LHR15:10London Heathrow
4h 20m
1 stop
SOU19:30Southampton Eastleigh
£268
Aer Lingus
1 Jul
SOU09:20Southampton Eastleigh
11h 00m
1 stop
LHR20:20London Heathrow
8 Jul
LHR15:10London Heathrow
4h 20m
1 stop
SOU19:30Southampton Eastleigh
£285
Aer Lingus
1 Jul
SOU20:00Southampton Eastleigh
12h 05m
1 stop
LHR08:05London Heathrow
8 Jul
LHR15:10London Heathrow
4h 20m
1 stop
SOU19:30Southampton Eastleigh
£286

British Airways flights from Southampton to London

Our best British Airways deals on Southampton to London flight tickets
British Airways
26 Jun
SOU06:45Southampton Eastleigh
6h 40m
1 stop
LHR13:25London Heathrow
29 Jun
LHR21:40London Heathrow
11h 45m
1 stop
SOU09:25Southampton Eastleigh
£310
British Airways
28 Sept
SOU06:45Southampton Eastleigh
5h 20m
1 stop
LHR12:05London Heathrow
30 Sept
LHR20:40London Heathrow
12h 45m
1 stop
SOU09:25Southampton Eastleigh
£325
British Airways
23 Jun
SOU14:25Southampton Eastleigh
4h 35m
1 stop
LHR19:00London Heathrow
30 Jun
LHR07:30London Heathrow
4h 35m
1 stop
SOU12:05Southampton Eastleigh
£425

momondo 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, momondo users made 279,928 searches. Data last updated 26 May 2026.
Use the filters below to find and compare flights from Southampton to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonLondon

SOU - STN

SOUSTN

Southampton Eastleigh

Wed 1/7

12:30-22:40

1 stop10h 10m

London Stansted

Wed 8/7

18:20-08:35

1 stop14h 15m

£124

SouthamptonLondon

SOU - STN

SOUSTN

Southampton Eastleigh

Wed 1/7

12:30-22:40

1 stop10h 10m

London Stansted

Wed 8/7

18:20-08:35

1 stop14h 15m

£125

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Thu 16/7

11:40-22:50

1 stop11h 10m

London Gatwick

Wed 22/7

06:25-12:00

1 stop5h 35m

£170

SouthamptonLondon

SOU - SEN

SOUSEN

Southampton Eastleigh

Thu 2/7

15:25-23:10

1 stop7h 45m

London Southend

Tue 7/7

06:30-13:45

1 stop7h 15m

£196

SouthamptonLondon

SOU - LHR

SOULHR

Southampton Eastleigh

Mon 22/6

17:20-20:55

1 stop3h 35m

London Heathrow

Mon 29/6

20:55-08:35

1 stop11h 40m

£256

SouthamptonLondon

SOU - LHR

SOULHR

Southampton Eastleigh

Thu 16/7

20:00-08:05

1 stop12h 05m

London Heathrow

Wed 22/7

15:10-19:30

1 stop4h 20m

£268

SouthamptonLondon

SOU - LHR

SOULHR

Southampton Eastleigh

Tue 23/6

17:20-20:55

1 stop3h 35m

London Heathrow

Fri 26/6

19:15-08:45

1 stop13h 30m

£283

SouthamptonLondon

SOU - LHR

SOULHR

Southampton Eastleigh

Wed 1/7

09:20-20:20

1 stop11h 00m

London Heathrow

Wed 8/7

15:10-19:30

1 stop4h 20m

£285
Fastest return journey

SouthamptonLondon

SOU - LCY

SOULCY

Southampton Eastleigh

Tue 21/7

15:15-18:50

1 stop3h 35m

London City

Tue 28/7

08:30-19:25

1 stop10h 55m

£322

SouthamptonLondon

SOU - LCY

SOULCY

Southampton Eastleigh

Thu 16/7

19:55-08:00

1 stop12h 05m

London City

Wed 22/7

08:30-19:25

1 stop10h 55m

£368

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Southampton to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to London?

Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £777. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Southampton to London for around £1,104.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £839. Flights in the morning are often more expensive, with an average ticket price of £1,060.

What is the cheapest Southampton Eastleigh to London flight route?

Fly from Southampton Eastleigh to London Heathrow for the best Southampton Eastleigh - London flight prices

What cabin class options are available on Southampton to London flights?

There is only 1 cabin class available to choose from on Southampton to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

When to book flights from Southampton to London

Are you open to changing your travel dates? Check out the ideal times to fly from Southampton to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Southampton to London (SOU to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Southampton to London

Fastest flight time

3h 45m

Direct flights

None
The fastest flight from Southampton to London takes 3h 45m
There are no direct flights from Southampton to London. There are no popular flight routes from Southampton to London.
Search flight deals

Frequently asked questions about flying from Southampton to London

  • How far is Southampton Eastleigh to London by plane?

    A flight from Southampton Eastleigh to London will travel around 68.6 mi. 3h 45m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Southampton Eastleigh Airport to London?

    Prices for flights from Southampton Eastleigh Airport to London were last updated today.

  • How old do you have to be to fly from Southampton Eastleigh Airport to London?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Southampton Eastleigh Airport to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Southampton to London?

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Gatwick
Luton
Wembley
Slough
Maidstone
Southend-on-Sea
Ipswich
Canterbury
Ilford
Hayes
Guildford
Folkestone
Chelmsford
Bedford
Dover
Harlow
Chichester
Colchester

Why use momondo?

Why should I use momondo to find a flight deal from Southampton to London?

It is quick and easy to find Southampton to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Southampton to London with flexible booking policies on momondo?

Flights from Southampton to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Southampton to London?

Once you have performed a search for Southampton to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Southampton to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Southampton to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport