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Cheap flights from the United Kingdom to London from £20

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to London departing on 20/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from the United Kingdom to London

Recent return flight deals from the United Kingdom to London

Enter your travel dates to find the best prices.
easyJet Logo
10:35 - 11:50
BFS
-
SOU
1h 15mdirect
easyJet Logo
12:25 - 13:40
SOU
-
BFS
1h 15mdirect
£59easyJet
Mon, 14 Sep - Mon, 21 Sep
easyJet Logo
10:30 - 11:45
BFS
-
SOU
1h 15mdirect
easyJet Logo
12:35 - 13:50
SOU
-
BFS
1h 15mdirect
£61easyJet
Sat, 3 Oct - Sun, 11 Oct
Aer Lingus Logo
10:25 - 12:05
BHD
-
SOU
1h 40mdirect
Aer Lingus Logo
08:55 - 10:35
SOU
-
BHD
1h 40mdirect
£74Aer Lingus
Thu, 16 Jul - Mon, 20 Jul
Aer Lingus Logo
06:40 - 08:25
BHD
-
SOU
1h 45mdirect
Aer Lingus Logo
08:55 - 10:35
SOU
-
BHD
1h 40mdirect
£78Aer Lingus
Fri, 4 Sep - Sat, 19 Sep
Multiple Airlines Logo
18:25 - 08:25
EDI
-
SOU
14h 00m
1 stop
Multiple Airlines Logo
08:55 - 19:45
SOU
-
EDI
10h 50m
1 stop
£128Multiple Airlines
Thu, 16 Jul - Mon, 20 Jul
Multiple Airlines Logo
07:15 - 11:50
MAN
-
SOU
4h 35m
1 stop
Multiple Airlines Logo
20:00 - 07:05
SOU
-
MAN
11h 05m
1 stop
£128Multiple Airlines
Mon, 10 Aug - Mon, 24 Aug
KLM Logo
20:55 - 08:45
LHR
-
SOU
11h 50m
1 stop
KLM Logo
17:20 - 20:55
SOU
-
LHR
3h 35m
1 stop
£244KLM
Fri, 18 Sep - Mon, 21 Sep
KLM Logo
20:55 - 08:45
LHR
-
SOU
11h 50m
1 stop
KLM Logo
17:20 - 20:55
SOU
-
LHR
3h 35m
1 stop
£245KLM
Fri, 18 Sep - Mon, 21 Sep
Aurigny Air Logo
19:20 - 07:30
LCY
-
SOU
12h 10m
1 stop
Aurigny Air Logo
15:15 - 18:50
SOU
-
LCY
3h 35m
1 stop
£297Aurigny Air
Mon, 3 Aug - Thu, 6 Aug
Aurigny Air Logo
08:30 - 19:25
LCY
-
SOU
10h 55m
1 stop
Aurigny Air Logo
08:00 - 15:00
SOU
-
LCY
7h 00m
1 stop
£322Aurigny Air
Thu, 15 Oct - Fri, 15 Jan

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easyJet flights from United Kingdom to Southampton

Our best easyJet deals on United Kingdom to Southampton flight tickets
easyJet
14 Sept
BFS10:35Belfast Intl
1h 15m
SOU11:50Southampton Eastleigh
21 Sept
SOU12:25Southampton Eastleigh
1h 15m
BFS13:40Belfast Intl
£59
easyJet
3 Oct
BFS10:30Belfast Intl
1h 15m
SOU11:45Southampton Eastleigh
11 Oct
SOU12:35Southampton Eastleigh
1h 15m
BFS13:50Belfast Intl
£61
easyJet
5 Sept
GLA06:00Glasgow Intl
1h 20m
SOU07:20Southampton Eastleigh
12 Sept
SOU07:50Southampton Eastleigh
1h 20m
GLA09:10Glasgow Intl
£62

Aer Lingus flights from United Kingdom to Southampton

Our best Aer Lingus deals on United Kingdom to Southampton flight tickets
Aer Lingus
16 Jul
BHD10:25Belfast City
1h 40m
SOU12:05Southampton Eastleigh
20 Jul
SOU08:55Southampton Eastleigh
1h 40m
BHD10:35Belfast City
£74
Aer Lingus
4 Sept
BHD06:40Belfast City
1h 45m
SOU08:25Southampton Eastleigh
19 Sept
SOU08:55Southampton Eastleigh
1h 40m
BHD10:35Belfast City
£78
Aer Lingus
8 Oct
BHD06:40Belfast City
1h 45m
SOU08:25Southampton Eastleigh
15 Oct
SOU08:55Southampton Eastleigh
1h 40m
BHD10:35Belfast City
£78

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom to Southampton 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 13 June 2026.
Use the filters below to find and compare flights from the United Kingdom to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BelfastSouthampton

BFS - SOU

BFSSOU

Belfast Intl

Mon 14/9

10:35-11:50

Nonstop1h 15m

Southampton Eastleigh

Mon 21/9

12:25-13:40

Nonstop1h 15m

£59

BelfastSouthampton

BFS - SOU

BFSSOU

Belfast Intl

Sat 3/10

10:30-11:45

Nonstop1h 15m

Southampton Eastleigh

Sun 11/10

12:35-13:50

Nonstop1h 15m

£61

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Thu 16/7

10:25-12:05

Nonstop1h 40m

Southampton Eastleigh

Mon 20/7

08:55-10:35

Nonstop1h 40m

£74

BelfastSouthampton

BHD - SOU

BHDSOU

Belfast City

Fri 4/9

06:40-08:25

Nonstop1h 45m

Southampton Eastleigh

Sat 19/9

08:55-10:35

Nonstop1h 40m

£78

EdinburghSouthampton

EDI - SOU

EDISOU

Edinburgh Turnhouse

Thu 16/7

18:25-08:25

1 stop14h 00m

Southampton Eastleigh

Mon 20/7

08:55-19:45

1 stop10h 50m

£128

ManchesterSouthampton

MAN - SOU

MANSOU

Manchester

Mon 10/8

07:15-11:50

1 stop4h 35m

Southampton Eastleigh

Mon 24/8

20:00-07:05

1 stop11h 05m

£128

LondonSouthampton

LHR - SOU

LHRSOU

London Heathrow

Fri 18/9

20:55-08:45

1 stop11h 50m

Southampton Eastleigh

Mon 21/9

17:20-20:55

1 stop3h 35m

£244

LondonSouthampton

LHR - SOU

LHRSOU

London Heathrow

Fri 18/9

20:55-08:45

1 stop11h 50m

Southampton Eastleigh

Mon 21/9

17:20-20:55

1 stop3h 35m

£245

LondonSouthampton

LCY - SOU

LCYSOU

London City

Mon 3/8

19:20-07:30

1 stop12h 10m

Southampton Eastleigh

Thu 6/8

15:15-18:50

1 stop3h 35m

£297

LondonSouthampton

LCY - SOU

LCYSOU

London City

Thu 15/10

08:30-19:25

1 stop10h 55m

Southampton Eastleigh

Fri 15/1

08:00-15:00

1 stop7h 00m

£322

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 United Kingdom 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

What is the cheapest month to fly to Southampton?

The month of October is, on average, the cheapest month to fly to Southampton from United Kingdom, with most prices found around £18. If you’re not able to fly to Southampton in October, then December is your next best option. Flight prices from United Kingdom to Southampton during December average around £20.

What is the cheapest United Kingdom to Southampton Eastleigh flight route?

Fly from Glasgow Intl to Southampton Eastleigh for the best United Kingdom - Southampton Eastleigh flight prices

What cabin class options are available on United Kingdom to Southampton flights?

There are 2 cabin classes available to choose from on United Kingdom to Southampton flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United Kingdom to Southampton flights?

No. A direct flight is the cheapest option for a flight between United Kingdom to Southampton.

Cheap United Kingdom to Southampton flight deals and tips

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

Best price found

£56

Fastest flight time

0h 50m

Direct flights

Every day

Airports in Southampton

1 airport
The best one-way flight to Southampton from United Kingdom in the past 72 hours is £56. The best return flight deal from United Kingdom to Southampton found on momondo in the last 72 hours is £71.
The fastest flight from United Kingdom to Southampton takes 0h 50m
Direct flights go from United Kingdom to Southampton every day.
There is 1 airport in Southampton. From United Kingdom there are direct flights to Southampton Eastleigh (SOU).
Search flight deals

Frequently asked questions about flying from the United Kingdom to Southampton

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

    Prices for flights from United Kingdom to Southampton Eastleigh Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from United Kingdom to Southampton Eastleigh Airport?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United Kingdom to Southampton Eastleigh Airport.

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

    The travel and health documents required for your trip to Southampton Eastleigh 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 Southampton Eastleigh Airport. 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 United Kingdom to Southampton?

Best airlines flying from United Kingdom to Southampton

Compare and see reviews for airlines that fly from United Kingdom to Southampton with momondo
Airline
Rating
Free Cancellation
Price
easyJetPriceFrom £41Free CancellationRating
6.9
1,907 reviews
Search easyJet flights
British AirwaysPriceFrom £94Free CancellationRating
6.7
8,047 reviews
Search British Airways flights
LoganairPriceFrom £124Free CancellationRating
0.0
0 reviews
Search Loganair flights
KLMPriceFrom £167Free CancellationRating
7.8
1,527 reviews
Search KLM flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Portsmouth

Why use momondo?

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

It is quick and easy to find United Kingdom to Southampton 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 Southampton that suits you.

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

Yes. momondo enables you to select and highlight flights to Southampton from United Kingdom with this policy.

How can momondo help me find flights from United Kingdom to Southampton?

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

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

If you are simply researching potential flights to Southampton, momondo offers a useful price alert feature which will track prices for flights to Southampton from United Kingdom and alert you when they change.

An easier way to manage your Southampton trip

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