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Cheap flights from Southampton to London from £70

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 25/3. 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.
easyJet Logo
09:20 - 22:15
SOU
-
LGW
12h 55m
1 stop
easyJet Logo
18:35 - 08:50
LGW
-
SOU
14h 15m
1 stop
£124easyJet
Tue, 10 Mar - Tue, 17 Mar
Multiple Airlines Logo
09:20 - 16:55
SOU
-
LTN
7h 35m
1 stop
Multiple Airlines Logo
19:50 - 08:05
LTN
-
SOU
12h 15m
1 stop
£135Multiple Airlines
Tue, 24 Mar - Tue, 31 Mar
easyJet Logo
09:20 - 18:15
SOU
-
LGW
8h 55m
1 stop
easyJet Logo
08:40 - 12:50
LGW
-
SOU
4h 10m
1 stop
£138easyJet
Tue, 24 Mar - Tue, 31 Mar
Multiple Airlines Logo
16:05 - 21:20
SOU
-
STN
5h 15m
1 stop
Multiple Airlines Logo
21:45 - 08:45
STN
-
SOU
11h 00m
1 stop
£138Multiple Airlines
Wed, 25 Feb - Sat, 28 Feb
Aer Lingus Logo
12:25 - 19:50
SOU
-
LHR
7h 25m
1 stop
Aer Lingus Logo
15:10 - 19:30
LHR
-
SOU
4h 20m
1 stop
£226Aer Lingus
Tue, 24 Mar - Tue, 31 Mar
Aer Lingus Logo
16:05 - 08:05
SOU
-
LHR
16h 00m
1 stop
Aer Lingus Logo
20:45 - 08:45
LHR
-
SOU
12h 00m
1 stop
£251Aer Lingus
Wed, 25 Feb - Sat, 28 Feb
KLM Logo
17:30 - 10:45
SOU
-
LHR
17h 15m
1 stop
KLM Logo
17:50 - 08:50
LHR
-
SOU
15h 00m
1 stop
£268KLM
Sat, 7 Mar - Sat, 14 Mar
KLM Logo
17:35 - 07:40
SOU
-
LHR
14h 05m
1 stop
KLM Logo
15:45 - 08:20
LHR
-
SOU
16h 35m
1 stop
£268KLM
Tue, 10 Mar - Tue, 17 Mar
Aurigny Air Logo
15:15 - 18:50
SOU
-
LCY
3h 35m
1 stop
Aurigny Air Logo
19:20 - 07:30
LCY
-
SOU
12h 10m
1 stop
£325Aurigny Air
Tue, 28 Apr - Wed, 29 Apr
Aurigny Air Logo
15:15 - 18:50
SOU
-
LCY
3h 35m
1 stop
Aurigny Air Logo
19:20 - 07:30
LCY
-
SOU
12h 10m
1 stop
£325Aurigny Air
Tue, 28 Apr - Wed, 29 Apr

Aer Lingus flights from Southampton to London

Our best Aer Lingus deals on Southampton to London flight tickets
Aer Lingus
24 Mar
SOU12:25Southampton Eastleigh
7h 25m
1 stop
LHR19:50London Heathrow
31 Mar
LHR15:10London Heathrow
4h 20m
1 stop
SOU19:30Southampton Eastleigh
£226
Aer Lingus
25 Feb
SOU16:05Southampton Eastleigh
16h 00m
1 stop
LHR08:05London Heathrow
28 Feb
LHR20:45London Heathrow
12h 00m
1 stop
SOU08:45Southampton Eastleigh
£251
Aer Lingus
24 Feb
SOU16:05Southampton Eastleigh
5h 00m
1 stop
LHR21:05London Heathrow
28 Feb
LHR20:45London Heathrow
12h 00m
1 stop
SOU08:45Southampton Eastleigh
£276

British Airways flights from Southampton to London

Our best British Airways deals on Southampton to London flight tickets
British Airways
8 Mar
SOU12:15Southampton Eastleigh
6h 10m
1 stop
LHR18:25London Heathrow
15 Mar
LHR06:50London Heathrow
5h 00m
1 stop
SOU11:50Southampton Eastleigh
£305
British Airways
23 Apr
SOU16:45Southampton Eastleigh
4h 00m
1 stop
LHR20:45London Heathrow
25 Apr
LHR07:30London Heathrow
8h 45m
1 stop
SOU16:15Southampton Eastleigh
£347
British Airways
11 Mar
SOU12:00Southampton Eastleigh
7h 30m
1 stop
LHR19:30London Heathrow
12 Mar
LHR06:50London Heathrow
10h 40m
1 stop
SOU17:30Southampton Eastleigh
£348

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 10 February 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

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Tue 10/3

09:20-22:15

1 stop12h 55m

London Gatwick

Tue 17/3

18:35-08:50

1 stop14h 15m

£124

SouthamptonLondon

SOU - LTN

SOULTN

Southampton Eastleigh

Tue 24/3

09:20-16:55

1 stop7h 35m

London Luton

Tue 31/3

19:50-08:05

1 stop12h 15m

£135

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Tue 24/3

09:20-18:15

1 stop8h 55m

London Gatwick

Tue 31/3

08:40-12:50

1 stop4h 10m

£138

SouthamptonLondon

SOU - STN

SOUSTN

Southampton Eastleigh

Wed 25/2

16:05-21:20

1 stop5h 15m

London Stansted

Sat 28/2

21:45-08:45

1 stop11h 00m

£138

SouthamptonLondon

SOU - LHR

SOULHR

Southampton Eastleigh

Tue 24/3

12:25-19:50

1 stop7h 25m

London Heathrow

Tue 31/3

15:10-19:30

1 stop4h 20m

£226

SouthamptonLondon

SOU - LHR

SOULHR

Southampton Eastleigh

Wed 25/2

16:05-08:05

1 stop16h 00m

London Heathrow

Sat 28/2

20:45-08:45

1 stop12h 00m

£251

SouthamptonLondon

SOU - LHR

SOULHR

Southampton Eastleigh

Sat 7/3

17:30-10:45

1 stop17h 15m

London Heathrow

Sat 14/3

17:50-08:50

1 stop15h 00m

£268

SouthamptonLondon

SOU - LHR

SOULHR

Southampton Eastleigh

Tue 10/3

17:35-07:40

1 stop14h 05m

London Heathrow

Tue 17/3

15:45-08:20

1 stop16h 35m

£268

SouthamptonLondon

SOU - LCY

SOULCY

Southampton Eastleigh

Tue 28/4

15:15-18:50

1 stop3h 35m

London City

Wed 29/4

19:20-07:30

1 stop12h 10m

£325

SouthamptonLondon

SOU - LCY

SOULCY

Southampton Eastleigh

Tue 28/4

15:15-18:50

1 stop3h 35m

London City

Wed 29/4

19:20-07:30

1 stop12h 10m

£325

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 £815. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Southampton to London for around £1,167.

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 afternoon when flights can be purchased for as low as £851. Flights in the morning are often more expensive, with an average ticket price of £1,038.

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 Eastleigh to London flights?

There are 2 cabin classes available to choose from on Southampton Eastleigh 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 20m

Direct flights

None
The fastest flight from Southampton to London takes 3h 20m
There are no direct flights from Southampton to London. There are no popular flight routes from Southampton to London.
Search flight deals

  • Is flying the fastest way to get from Southampton to London?

    We’ve found that taking a train from Southampton to London with AccesRail is more time-efficient when based simply on travel duration. A flight from Southampton to London or a bus from Southampton to London can take you longer than a 1h 40m train.

  • Is flying the cheapest way to get from Southampton to London?

    A bus from Southampton to London from £11 can save you up to 91% on the cost of your trip compared to booking a flight from Southampton to London or a train 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 20m 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
Luton
Gatwick
Slough
Maidstone
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Chelmsford
Hayes
Wembley
Dover
Folkestone
Colchester
Bedford
Worthing
Ramsgate

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