What is the cheapest airline that flies from Southampton Eastleigh to London?

Aer Lingus, British Airways, and Aurigny Air are the most popular carriers operating from Southampton Eastleigh to London

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 £21 can save you up to 83% on the cost of your trip compared to booking a flight from Southampton to London or a train from Southampton to London.

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.

£127 Cheap Flights from Southampton to London in 2025/26

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15:45 - 07:05

SOU

STN

15h 20m1 stop

10:15 - 11:55

STN

SOU

25h 40m1 stop

£127Multiple Airlines

Sat, 24 Jan - Mon, 26 Jan

17:55 - 22:10

SOU

LGW

4h 15m1 stop

20:35 - 13:45

LGW

SOU

17h 10m1 stop

£128Multiple Airlines

Thu, 22 Jan - Thu, 29 Jan

09:30 - 14:25

SOU

LHR

4h 55m1 stop

15:10 - 19:40

LHR

SOU

4h 30m1 stop

£241Aer Lingus

Thu, 22 Jan - Thu, 29 Jan

09:30 - 15:35

SOU

LHR

6h 05m1 stop

14:15 - 19:40

LHR

SOU

5h 25m1 stop

£243Aer Lingus

Sat, 24 Jan - Mon, 26 Jan

09:25 - 16:35

SOU

LCY

7h 10m1 stop

20:05 - 08:50

LCY

SOU

12h 45m1 stop

£278KLM

Mon, 9 Feb - Mon, 16 Feb

09:00 - 20:50

SOU

LHR

11h 50m1 stop

20:25 - 08:50

LHR

SOU

12h 25m1 stop

£285KLM

Fri, 9 Jan - Tue, 13 Jan

12:00 - 19:50

SOU

LHR

7h 50m1 stop

07:10 - 17:30

LHR

SOU

10h 20m1 stop

£295British Airways

Mon, 16 Feb - Fri, 20 Feb

08:00 - 18:50

SOU

LCY

10h 50m1 stop

19:20 - 07:30

LCY

SOU

12h 10m1 stop

£324Aurigny Air

Tue, 28 Apr - Wed, 29 Apr

20:45 - 08:00

SOU

LCY

11h 15m1 stop

08:30 - 15:30

LCY

SOU

7h 00m1 stop

£336Aurigny Air

Sun, 15 Feb - Thu, 19 Feb

08:55 - 13:55

SOU

LHR

5h 00m1 stop

07:45 - 11:50

LHR

SOU

4h 05m1 stop

£365British Airways

Wed, 14 Jan - Thu, 12 Feb

British Airways flights from Southampton to London

Our best British Airways deals on Southampton to London flight tickets

British Airways

16 Feb

SOU12:00Southampton Eastleigh

7h 50m

1 stop

LHR19:50London Heathrow

20 Feb

LHR07:10London Heathrow

10h 20m

1 stop

SOU17:30Southampton Eastleigh

£294

Find similar

British Airways

16 Feb

SOU12:00Southampton Eastleigh

7h 50m

1 stop

LHR19:50London Heathrow

20 Feb

LHR07:10London Heathrow

10h 20m

1 stop

SOU17:30Southampton Eastleigh

£295

Find similar

British Airways

23 Jan

SOU12:00Southampton Eastleigh

4h 15m

1 stop

LHR16:15London Heathrow

30 Jan

LHR13:15London Heathrow

4h 15m

1 stop

SOU17:30Southampton Eastleigh

£339

Find similar

Aer Lingus flights from Southampton to London

Our best Aer Lingus deals on Southampton to London flight tickets

Aer Lingus

22 Jan

SOU09:30Southampton Eastleigh

4h 55m

1 stop

LHR14:25London Heathrow

29 Jan

LHR15:10London Heathrow

4h 30m

1 stop

SOU19:40Southampton Eastleigh

£241

Find similar

Aer Lingus

24 Jan

SOU09:30Southampton Eastleigh

6h 05m

1 stop

LHR15:35London Heathrow

26 Jan

LHR14:15London Heathrow

5h 25m

1 stop

SOU19:40Southampton Eastleigh

£243

Find similar

Aer Lingus

7 Feb

SOU09:30Southampton Eastleigh

6h 05m

1 stop

LHR15:35London Heathrow

14 Feb

LHR20:45London Heathrow

12h 00m

1 stop

SOU08:45Southampton Eastleigh

£258

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonLondon

SOU - STN

SOUSTN

Southampton Eastleigh

Sat 24/1

15:45-07:05

1 stop15h 20m

London Stansted

Mon 26/1

10:15-11:55

1 stop25h 40m

£127

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Thu 22/1

17:55-22:10

1 stop4h 15m

London Gatwick

Thu 29/1

20:35-13:45

1 stop17h 10m

£128

SouthamptonLondon

SOU - LHR

SOULHR

Southampton Eastleigh

Thu 22/1

09:30-14:25

1 stop4h 55m

London Heathrow

Thu 29/1

15:10-19:40

1 stop4h 30m

£241

SouthamptonLondon

SOU - LHR

SOULHR

Southampton Eastleigh

Sat 24/1

09:30-15:35

1 stop6h 05m

London Heathrow

Mon 26/1

14:15-19:40

1 stop5h 25m

£243

SouthamptonLondon

SOU - LCY

SOULCY

Southampton Eastleigh

Mon 9/2

09:25-16:35

1 stop7h 10m

London City

Mon 16/2

20:05-08:50

1 stop12h 45m

£278

SouthamptonLondon

SOU - LHR

SOULHR

Southampton Eastleigh

Fri 9/1

09:00-20:50

1 stop11h 50m

London Heathrow

Tue 13/1

20:25-08:50

1 stop12h 25m

£285

SouthamptonLondon

SOU - LHR

SOULHR

Southampton Eastleigh

Mon 16/2

12:00-19:50

1 stop7h 50m

London Heathrow

Fri 20/2

07:10-17:30

1 stop10h 20m

£295

SouthamptonLondon

SOU - LCY

SOULCY

Southampton Eastleigh

Tue 28/4

08:00-18:50

1 stop10h 50m

London City

Wed 29/4

19:20-07:30

1 stop12h 10m

£324

SouthamptonLondon

SOU - LCY

SOULCY

Southampton Eastleigh

Sun 15/2

20:45-08:00

1 stop11h 15m

London City

Thu 19/2

08:30-15:30

1 stop7h 00m

£336

SouthamptonLondon

SOU - LHR

SOULHR

Southampton Eastleigh

Wed 14/1

08:55-13:55

1 stop5h 00m

London Heathrow

Thu 12/2

07:45-11:50

1 stop4h 05m

£365

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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

Our data shows that Sunday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £826. 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 £1,143.

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

The cheapest time of day to fly to London is at midday when flights can be purchased for as low as £861. 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 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	4h 55m
Direct flights	None

The fastest flight from Southampton to London takes 4h 55m

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 £21 can save you up to 83% 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. 4h 55m 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?
Based on momondo bookings for flights between Southampton and London, the leading plane model is Boeing 777-300ER, making up 29.41% of the total bookings. Other popular models include Boeing 777 with 17.65%, Airbus A380 with 11.76%, and Airbus A380-800 with 11.76%.

Eastbourne

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Hayes

Chelmsford

Dover

Worthing

Bedford

Colchester

Hounslow

Ramsgate

Romford

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.

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Cheap flights from Southampton to London from £127

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Southampton to London departing on 24/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Southampton to London

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

British Airways flights from Southampton to London

Our best British Airways deals on Southampton to London flight tickets

Aer Lingus flights from Southampton to London

Our best Aer Lingus deals on Southampton to London flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Southampton to London that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from Southampton to London

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

Our data shows that Sunday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £826. 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 £1,143.

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

The cheapest time of day to fly to London is at midday when flights can be purchased for as low as £861. 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 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.

What is the cheapest airline that flies from Southampton Eastleigh to London?

Aer Lingus, British Airways, and Aurigny Air are the most popular carriers operating from Southampton Eastleigh to London

When to book flights from Southampton to London

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

Direct flights

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

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

How far is Southampton Eastleigh to London by plane?

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

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

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

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

Travelling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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