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Cheap flights from Southampton to Madrid, Spain from £82

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — MAD
9 Jul — 16 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Madrid

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to Madrid
Explore the most affordable flight options available from Southampton to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 June 2026.

Mon 13/720:40
SOU
-
MAD
1 stop11h 05m
Multiple Airlines
Wed 15/707:00
MAD
-
SOU
1 stop26h 35m
Multiple Airlines
Deal found 4/6£111
Tue 1/918:10
SOU
-
MAD
1 stop15h 50m
Multiple Airlines
Wed 7/1023:10
MAD
-
SOU
1 stop10h 25m
Multiple Airlines
Deal found 5/6£158
Sun 30/808:25
SOU
-
MAD
1 stop12h 25m
Multiple Airlines
Wed 7/1023:10
MAD
-
SOU
1 stop10h 25m
Multiple Airlines
Deal found 5/6£169
Mon 31/820:40
SOU
-
MAD
1 stop11h 50m
Multiple Airlines
Wed 7/1023:10
MAD
-
SOU
1 stop10h 25m
Multiple Airlines
Deal found 5/6£181

Find flight deals from Southampton to Madrid

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Madrid (MAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 9 June 2026.

Round-trip from

£111

One-way from

£82

Popular in

July

Cheapest in

January

Average price

£108
13/7-15/7
  • 13/7-15/7
  • 2 total stops
  • 37h 40m total
  • Southampton to Madrid
Search Deals
19/8
  • 19/8
  • 1 total stop
  • 7h 20m total
  • Southampton to Madrid
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Madrid 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, Cheapflights users made 858,174 searches. Data last updated 9 June 2026.
Use the filters below to find and compare flights from Southampton to Madrid that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonMadrid

SOU - MAD

SOUMAD

Southampton Eastleigh

Mon 3/8

20:40-08:40

1 stop11h 00m

Madrid Barajas

Fri 7/8

22:35-11:45

2 stops14h 10m

£187

SouthamptonMadrid

SOU - MAD

SOUMAD

Southampton Eastleigh

Wed 19/8

14:20-23:30

1 stop8h 10m

Madrid Barajas

Thu 20/8

05:50-19:30

1 stop14h 40m

£223

SouthamptonMadrid

SOU - MAD

SOUMAD

Southampton Eastleigh

Sat 19/9

19:25-08:55

1 stop12h 30m

Madrid Barajas

Mon 28/9

23:10-12:55

1 stop14h 45m

£238

SouthamptonMadrid

SOU - MAD

SOUMAD

Southampton Eastleigh

Sat 20/6

12:15-09:20

2 stops20h 05m

Madrid Barajas

Thu 25/6

23:00-19:40

2 stops21h 40m

£244
Fastest return journey

SouthamptonMadrid

SOU - MAD

SOUMAD

Southampton Eastleigh

Fri 4/9

12:20-21:55

1 stop8h 35m

Madrid Barajas

Thu 8/10

21:35-08:45

1 stop12h 10m

£246

SouthamptonMadrid

SOU - MAD

SOUMAD

Southampton Eastleigh

Tue 1/9

09:05-09:30

1 stop23h 25m

Madrid Barajas

Fri 9/10

20:30-16:50

1 stop21h 20m

£249

SouthamptonMadrid

SOU - MAD

SOUMAD

Southampton Eastleigh

Wed 2/9

17:20-09:30

1 stop15h 10m

Madrid Barajas

Fri 9/10

20:30-08:45

1 stop13h 15m

£249

SouthamptonMadrid

SOU - MAD

SOUMAD

Southampton Eastleigh

Sat 20/6

09:15-23:25

1 stop13h 10m

Madrid Barajas

Thu 25/6

20:30-08:35

1 stop13h 05m

£257

SouthamptonMadrid

SOU - MAD

SOUMAD

Southampton Eastleigh

Thu 27/8

20:00-09:55

1 stop12h 55m

Madrid Barajas

Mon 31/8

20:45-08:40

1 stop12h 55m

£321

SouthamptonMadrid

SOU - MAD

SOUMAD

Southampton Eastleigh

Fri 6/11

20:00-09:55

1 stop12h 55m

Madrid Barajas

Tue 10/11

10:40-19:30

1 stop9h 50m

£326

Flights are sorted by cheapest return flights first.

Deals found on 6/6

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Southampton to Madrid

Have a flexible travel schedule? Discover the best time to fly to Madrid from Southampton with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Madrid

Get insights into the airlines that provide service to Madrid. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Madrid. Reviews last updated 9 June 2026.
Read reviews from past customers who have flown with KLM from Southampton to Madrid. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,527 reviews
Check prices

Overall

7.8

Boarding

7.8

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,527 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Overall

7.8

Boarding

7.8

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

Find useful and relevant information for your journey from Southampton to Madrid. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from Southampton to Madrid round-trip?

    Flying on KLM is currently your cheapest option to Madrid, with prices starting at £176.

  • Can I find deals for flights from Southampton to Madrid that include hotel bookings?

    Yes. In addition to deals on Southampton to Madrid flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southampton to Madrid?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Madrid.

  • Can I find deals for business class flights from Southampton to Madrid?

    Yes. Cheapflights offers flight deals from Southampton to Madrid by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Madrid?

Book flights to Madrid if you plan to visit one of these locations
Fuenlabrada
Getafe
San Lorenzo de El Escorial
Guadalajara

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Southampton to Madrid

Discover the top airline that operate flights from Southampton to Madrid. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 9 June 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£176Average£324FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Southampton to Madrid?

When you search for this flight from Southampton to Madrid, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Southampton to Madrid?

Cheapflights simply makes it quick and affordable to book flights from Southampton to Madrid by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Southampton to Madrid with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Southampton to Madrid flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Southampton to Madrid become cheaper?

Yes! Start tracking prices for Southampton to Madrid flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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