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

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

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

To save time, the fastest way to travel is by train from London to Southampton on AccesRail. Expect the length of time you’ll spend onboard AccesRail to be about 1h 40m compared to taking a flight from London to Southampton or a bus from London to Southampton which have been found to be slower alternatives.

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

Prices for flights from London to Southampton Eastleigh Airport are updated daily.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to Southampton Eastleigh Airport.

What documentation or ID do you need to fly to Southampton Eastleigh Airport?

The travel and health documents you'll need for your trip to Southampton Eastleigh Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Southampton Eastleigh Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£61 Cheap Flights from London to Southampton in 2025/26

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13:15 - 17:20LGW-SOU

4h 05m1 stop

12:05 - 16:30SOU-LGW

4h 25m1 stop

£106easyJet

Find Deal

Thu, 8 Jan - Mon, 12 Jan

12:00 - 19:40STN-SOU

7h 40m1 stop

08:30 - 23:55SOU-STN

15h 25m1 stop

£108Multiple Airlines

Find Deal

Thu, 8 Jan - Mon, 12 Jan

15:10 - 19:40LHR-SOU

4h 30m1 stop

20:10 - 08:05SOU-LHR

11h 55m1 stop

£207Aer Lingus

Find Deal

Thu, 8 Jan - Mon, 12 Jan

09:50 - 15:35LHR-SOU

5h 45m1 stop

20:10 - 08:05SOU-LHR

11h 55m1 stop

£219Aer Lingus

Find Deal

Thu, 8 Jan - Mon, 12 Jan

08:40 - 17:05LHR-SOU

8h 25m1 stop

09:00 - 17:00SOU-LHR

8h 00m1 stop

£245KLM

Find Deal

Tue, 10 Feb - Thu, 19 Feb

07:45 - 17:05LCY-SOU

9h 20m1 stop

09:25 - 19:35SOU-LCY

10h 10m1 stop

£264KLM

Find Deal

Thu, 8 Jan - Mon, 12 Jan

13:55 - 17:30LHR-SOU

3h 35m1 stop

12:00 - 17:30SOU-LHR

5h 30m1 stop

£278British Airways

Find Deal

Thu, 8 Jan - Mon, 12 Jan

07:10 - 17:30LHR-SOU

10h 20m1 stop

18:20 - 22:35SOU-LHR

4h 15m1 stop

£296British Airways

Find Deal

Fri, 27 Mar - Tue, 31 Mar

20:05 - 07:30LCY-SOU

11h 25m1 stop

08:00 - 18:50SOU-LCY

10h 50m1 stop

£336Aurigny Air

Find Deal

Fri, 27 Mar - Tue, 31 Mar

08:30 - 20:50LCY-SOU

12h 20m1 stop

14:35 - 18:50SOU-LCY

4h 15m1 stop

£343Aurigny Air

Find Deal

Mon, 29 Dec - Mon, 5 Jan

Aer Lingus flights from London to Southampton

Our best Aer Lingus deals on London to Southampton flight tickets

Aer Lingus

8 Jan

LHR15:10London Heathrow

4h 30m

1 stop

SOU19:40Southampton Eastleigh

12 Jan

SOU20:10Southampton Eastleigh

11h 55m

1 stop

LHR08:05London Heathrow

£207

Find similar

Aer Lingus

8 Jan

LHR09:50London Heathrow

5h 45m

1 stop

SOU15:35Southampton Eastleigh

12 Jan

SOU20:10Southampton Eastleigh

11h 55m

1 stop

LHR08:05London Heathrow

£219

Find similar

Aer Lingus

1 Jan

LHR09:50London Heathrow

5h 45m

1 stop

SOU15:35Southampton Eastleigh

8 Jan

SOU20:10Southampton Eastleigh

11h 55m

1 stop

LHR08:05London Heathrow

£246

Find similar

easyJet flights from London to Southampton

Our best easyJet deals on London to Southampton flight tickets

easyJet

8 Jan

LGW13:15London Gatwick

4h 05m

1 stop

SOU17:20Southampton Eastleigh

12 Jan

SOU12:05Southampton Eastleigh

4h 25m

1 stop

LGW16:30London Gatwick

£106

Find similar

easyJet

16 Jan

LGW07:25London Gatwick

6h 20m

1 stop

SOU13:45Southampton Eastleigh

23 Jan

SOU08:10Southampton Eastleigh

7h 20m

1 stop

LGW15:30London Gatwick

£111

Find similar

easyJet

1 Jan

LGW12:15London Gatwick

5h 05m

1 stop

SOU17:20Southampton Eastleigh

8 Jan

SOU17:55Southampton Eastleigh

4h 15m

1 stop

LGW22:10London Gatwick

£123

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Thu 8/1

13:15-17:20

1 stop4h 05m

Southampton Eastleigh

Mon 12/1

12:05-16:30

1 stop4h 25m

£106

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Thu 8/1

12:00-19:40

1 stop7h 40m

Southampton Eastleigh

Mon 12/1

08:30-23:55

1 stop15h 25m

£108

LondonSouthampton

LHR - SOU

LHRSOU

London Heathrow

Thu 8/1

15:10-19:40

1 stop4h 30m

Southampton Eastleigh

Mon 12/1

20:10-08:05

1 stop11h 55m

£207

LondonSouthampton

LHR - SOU

LHRSOU

London Heathrow

Thu 8/1

09:50-15:35

1 stop5h 45m

Southampton Eastleigh

Mon 12/1

20:10-08:05

1 stop11h 55m

£219

LondonSouthampton

LHR - SOU

LHRSOU

London Heathrow

Tue 10/2

08:40-17:05

1 stop8h 25m

Southampton Eastleigh

Thu 19/2

09:00-17:00

1 stop8h 00m

£245

LondonSouthampton

LCY - SOU

LCYSOU

London City

Thu 8/1

07:45-17:05

1 stop9h 20m

Southampton Eastleigh

Mon 12/1

09:25-19:35

1 stop10h 10m

£264

LondonSouthampton

LHR - SOU

LHRSOU

London Heathrow

Thu 8/1

13:55-17:30

1 stop3h 35m

Southampton Eastleigh

Mon 12/1

12:00-17:30

1 stop5h 30m

£278

LondonSouthampton

LHR - SOU

LHRSOU

London Heathrow

Fri 27/3

07:10-17:30

1 stop10h 20m

Southampton Eastleigh

Tue 31/3

18:20-22:35

1 stop4h 15m

£296

LondonSouthampton

LCY - SOU

LCYSOU

London City

Fri 27/3

20:05-07:30

1 stop11h 25m

Southampton Eastleigh

Tue 31/3

08:00-18:50

1 stop10h 50m

£336

LondonSouthampton

LCY - SOU

LCYSOU

London City

Mon 29/12

08:30-20:50

1 stop12h 20m

Southampton Eastleigh

Mon 5/1

14:35-18:50

1 stop4h 15m

£343

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London to Southampton

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 Southampton?

Our data shows that Thursday is the least expensive day to fly to Southampton. Tickets to fly out on this day can be as low as £218. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around £363. These prices are subject to change though, so be sure to set up a Price Alert for flights to Southampton.

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

According to our data, the cheapest time of day to fly to Southampton is at midday. momondo users have found flights departing from London to Southampton at midday for as low as £223. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £296 on average. Flights to Southampton from London in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

When to book flights from London to Southampton

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

Estimated return price

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

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

Fastest flight time	3h 35m
Direct flights	None

The fastest flight from London to Southampton takes 3h 35m

There are no direct flights from London to Southampton. There are no popular flight routes from London to Southampton.

Search flight deals

Is flying the fastest way to get from London to Southampton?
To save time, the fastest way to travel is by train from London to Southampton on AccesRail. Expect the length of time you’ll spend onboard AccesRail to be about 1h 40m compared to taking a flight from London to Southampton or a bus from London to Southampton which have been found to be slower alternatives.
How far is London to Southampton Eastleigh by plane?
London and Southampton Eastleigh are 68.6 mi apart from one another. A reasonable flight in good conditions will take 3h 30m.
When did momondo last update prices for flights from London to Southampton Eastleigh Airport?
Prices for flights from London to Southampton Eastleigh Airport are updated daily.
How old do you have to be to fly from London to Southampton Eastleigh Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to Southampton Eastleigh Airport.
What documentation or ID do you need to fly to Southampton Eastleigh Airport?
The travel and health documents you'll need for your trip to Southampton Eastleigh Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Southampton Eastleigh Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Portsmouth

Why use momondo?

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

Finding the right flight to Southampton from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Southampton quick and easy, saving you time and money.

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

Flights from London to Southampton 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 London to Southampton?

momondo provides multiple filters to help you find the best flight to Southampton from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Southampton from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.