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Cheap flights from Southampton to London from £109

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Southampton to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:25 - 09:10SOU  Southampton Eastleigh-LHR London Heathrow
13h 45m1 stop Barcelona-El Prat
Multiple Airlines Logo
09:55 - 18:50LHR  London Heathrow-SOU Southampton Eastleigh
8h 55m1 stop Barcelona-El Prat
£191Multiple Airlines
Mon, 21 Dec - Mon, 28 Dec
KLM Logo
17:35 - 20:50SOU  Southampton Eastleigh-LHR London Heathrow
3h 15m1 stop Amsterdam Schiphol
KLM Logo
10:00 - 16:50LHR  London Heathrow-SOU Southampton Eastleigh
6h 50m1 stop Amsterdam Schiphol
£200KLM
Thu, 31 Dec - Wed, 6 Jan
KLM Logo
17:35 - 20:50SOU  Southampton Eastleigh-LHR London Heathrow
3h 15m1 stop Amsterdam Schiphol
KLM Logo
08:40 - 17:05LHR  London Heathrow-SOU Southampton Eastleigh
8h 25m1 stop Amsterdam Schiphol
£217KLM
Thu, 24 Dec - Thu, 31 Dec
KLM Logo
17:35 - 20:50SOU  Southampton Eastleigh-LHR London Heathrow
3h 15m1 stop Amsterdam Schiphol
KLM Logo
20:25 - 08:10LHR  London Heathrow-SOU Southampton Eastleigh
11h 45m1 stop Amsterdam Schiphol
£217KLM
Thu, 24 Dec - Thu, 31 Dec
Multiple Airlines Logo
14:25 - 21:25SOU  Southampton Eastleigh-LHR London Heathrow
7h 00m1 stop Geneva Geneve-Cointrin
Multiple Airlines Logo
07:00 - 14:35LHR  London Heathrow-SOU Southampton Eastleigh
7h 35m1 stop Geneva Geneve-Cointrin
£218Multiple Airlines
Thu, 31 Dec - Wed, 6 Jan
Multiple Airlines Logo
14:25 - 21:25SOU  Southampton Eastleigh-LHR London Heathrow
7h 00m1 stop Geneva Geneve-Cointrin
Multiple Airlines Logo
07:00 - 14:35LHR  London Heathrow-SOU Southampton Eastleigh
7h 35m1 stop Geneva Geneve-Cointrin
£219Multiple Airlines
Thu, 31 Dec - Wed, 6 Jan
KLM Logo
17:35 - 20:50SOU  Southampton Eastleigh-LHR London Heathrow
3h 15m1 stop Amsterdam Schiphol
KLM Logo
08:40 - 17:05LHR  London Heathrow-SOU Southampton Eastleigh
8h 25m1 stop Amsterdam Schiphol
£219KLM
Thu, 24 Dec - Thu, 31 Dec
KLM Logo
17:35 - 20:50SOU  Southampton Eastleigh-LHR London Heathrow
3h 15m1 stop Amsterdam Schiphol
KLM Logo
20:25 - 08:10LHR  London Heathrow-SOU Southampton Eastleigh
11h 45m1 stop Amsterdam Schiphol
£219KLM
Thu, 24 Dec - Thu, 31 Dec
KLM Logo
17:45 - 20:50SOU  Southampton Eastleigh-LHR London Heathrow
3h 05m1 stop Amsterdam Schiphol
KLM Logo
20:25 - 08:10LHR  London Heathrow-SOU Southampton Eastleigh
11h 45m1 stop Amsterdam Schiphol
£219KLM
Mon, 14 Dec - Thu, 17 Dec
British Airways Logo
12:35 - 21:15SOU  Southampton Eastleigh-LHR London Heathrow
8h 40m1 stop Belfast City
British Airways Logo
07:00 - 12:05LHR  London Heathrow-SOU Southampton Eastleigh
5h 05m1 stop Belfast City
£362British Airways
Thu, 31 Dec - Wed, 6 Jan

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Aer Lingus flights from Southampton to London Heathrow Airport

Our best Aer Lingus deals on Southampton to London Heathrow Airport flight tickets
Aer Lingus
31 Dec
SOU13:25Southampton Eastleigh
6h 25m
1 stop
LHR19:50London Heathrow
6 Jan
LHR08:50London Heathrow
10h 40m
1 stop
SOU19:30Southampton Eastleigh
£280
Aer Lingus
5 Dec
SOU09:20Southampton Eastleigh
10h 30m
1 stop
LHR19:50London Heathrow
12 Dec
LHR16:20London Heathrow
16h 25m
1 stop
SOU08:45Southampton Eastleigh
£289
Aer Lingus
17 Nov
SOU20:00Southampton Eastleigh
12h 05m
1 stop
LHR08:05London Heathrow
23 Nov
LHR20:45London Heathrow
12h 05m
1 stop
SOU08:50Southampton Eastleigh
£290

British Airways flights from Southampton to London Heathrow Airport

Our best British Airways deals on Southampton to London Heathrow Airport flight tickets
British Airways
31 Dec
SOU12:35Southampton Eastleigh
8h 40m
1 stop
LHR21:15London Heathrow
6 Jan
LHR07:00London Heathrow
5h 05m
1 stop
SOU12:05Southampton Eastleigh
£362
British Airways
3 Feb
SOU16:10Southampton Eastleigh
15h 55m
1 stop
LHR08:05London Heathrow
7 Feb
LHR09:45London Heathrow
9h 00m
1 stop
SOU18:45Southampton Eastleigh
£364
British Airways
3 Feb
SOU16:10Southampton Eastleigh
15h 55m
1 stop
LHR08:05London Heathrow
7 Feb
LHR09:45London Heathrow
9h 00m
1 stop
SOU18:45Southampton Eastleigh
£366

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

SouthamptonLondon

SOU Southampton Eastleigh - LHR London Heathrow

SOULHR

Southampton Eastleigh

Mon 21/12

19:25-09:10

1 stop13h 45m

London Heathrow

Mon 28/12

09:55-18:50

1 stop8h 55m

£191
Fastest return journey

SouthamptonLondon

SOU Southampton Eastleigh - LHR London Heathrow

SOULHR

Southampton Eastleigh

Thu 31/12

17:35-20:50

1 stop3h 15m

London Heathrow

Wed 6/1

10:00-16:50

1 stop6h 50m

£200

SouthamptonLondon

SOU Southampton Eastleigh - LHR London Heathrow

SOULHR

Southampton Eastleigh

Thu 24/12

17:35-20:50

1 stop3h 15m

London Heathrow

Thu 31/12

08:40-17:05

1 stop8h 25m

£217

SouthamptonLondon

SOU Southampton Eastleigh - LHR London Heathrow

SOULHR

Southampton Eastleigh

Thu 24/12

17:35-20:50

1 stop3h 15m

London Heathrow

Thu 31/12

20:25-08:10

1 stop11h 45m

£217

SouthamptonLondon

SOU Southampton Eastleigh - LHR London Heathrow

SOULHR

Southampton Eastleigh

Thu 31/12

14:25-21:25

1 stop7h 00m

London Heathrow

Wed 6/1

07:00-14:35

1 stop7h 35m

£218

SouthamptonLondon

SOU Southampton Eastleigh - LHR London Heathrow

SOULHR

Southampton Eastleigh

Thu 31/12

14:25-21:25

1 stop7h 00m

London Heathrow

Wed 6/1

07:00-14:35

1 stop7h 35m

£219

SouthamptonLondon

SOU Southampton Eastleigh - LHR London Heathrow

SOULHR

Southampton Eastleigh

Thu 24/12

17:35-20:50

1 stop3h 15m

London Heathrow

Thu 31/12

08:40-17:05

1 stop8h 25m

£219

SouthamptonLondon

SOU Southampton Eastleigh - LHR London Heathrow

SOULHR

Southampton Eastleigh

Thu 24/12

17:35-20:50

1 stop3h 15m

London Heathrow

Thu 31/12

20:25-08:10

1 stop11h 45m

£219

SouthamptonLondon

SOU Southampton Eastleigh - LHR London Heathrow

SOULHR

Southampton Eastleigh

Mon 14/12

17:45-20:50

1 stop3h 05m

London Heathrow

Thu 17/12

20:25-08:10

1 stop11h 45m

£219

SouthamptonLondon

SOU Southampton Eastleigh - LHR London Heathrow

SOULHR

Southampton Eastleigh

Thu 31/12

12:35-21:15

1 stop8h 40m

London Heathrow

Wed 6/1

07:00-12:05

1 stop5h 05m

£362

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 Heathrow Airport

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 Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Southampton is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £604. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £1,076.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Southampton to London Heathrow Airport in the evening for as low as £614. 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 £695 on average. Flights to London Heathrow Airport from Southampton in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

When to book flights from Southampton to London Heathrow Airport

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

Cheap Southampton to London Heathrow Airport (SOU to LHR) flight deals and tips

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

Best price found

£109

Fastest flight time

6h 55m

Direct flights

None
The best one-way flight to London Heathrow Airport from Southampton in the past 72 hours is £109. The best return flight deal from Southampton to London Heathrow Airport found on momondo in the last 72 hours is £191.
The fastest flight from Southampton to London Heathrow Airport takes 6h 55m
There are no direct flights from Southampton to London Heathrow Airport. There are no popular flight routes from Southampton to London Heathrow Airport.
Search flight deals

Frequently asked questions about flying from Southampton to London Heathrow Airport

  • How far is Southampton Eastleigh to London Heathrow by plane?

    The distance between Southampton Eastleigh and London Heathrow is about 56.4 mi. Flights usually cover this in 6h 55m, depending on flying conditions and air traffic around both airports.

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

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

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

    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 Heathrow Airport.

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

    The travel and health documents required for your trip to London Heathrow Airport 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 Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Wembley
Gatwick
Milton Keynes
Stratford-upon-Avon
Southend-on-Sea
Luton
Northampton
Ipswich
Slough
Swindon
Maidstone
Folkestone
Hastings
Ilford
Canterbury
Poole
Salisbury
Colchester
Chichester

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Southampton to London. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to London from Southampton which offer a flexible booking policy as well as other useful filters and features.

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

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

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

Yes momondo offers price alerts on flights to London from Southampton. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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