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Cheap flights from Brussels Bruxelles-National Airport to London from £155

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Brussels Bruxelles-National Airport to London departing on 21/9. 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

Find the cheapest flights from Brussels Bruxelles-National Airport to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:50 - 12:50BRU  Brussels Bruxelles-National-SOU Southampton Eastleigh
17h 00m2 stops Rome Fiumicino Glasgow Intl
Multiple Airlines Logo
20:40 - 09:25SOU  Southampton Eastleigh-BRU Brussels Bruxelles-National
11h 45m1 stop Palma de Mallorca Son Sant Joan
£155Multiple Airlines
Mon, 21 Sep - Mon, 28 Sep
Multiple Airlines Logo
09:35 - 16:50BRU  Brussels Bruxelles-National-SOU Southampton Eastleigh
8h 15m1 stop Dublin
Multiple Airlines Logo
20:40 - 09:25SOU  Southampton Eastleigh-BRU Brussels Bruxelles-National
11h 45m1 stop Palma de Mallorca Son Sant Joan
£187Multiple Airlines
Mon, 21 Sep - Mon, 28 Sep
Multiple Airlines Logo
09:50 - 16:50BRU  Brussels Bruxelles-National-SOU Southampton Eastleigh
8h 00m1 stop Dublin
Multiple Airlines Logo
20:00 - 09:10SOU  Southampton Eastleigh-BRU Brussels Bruxelles-National
12h 10m1 stop Dublin
£222Multiple Airlines
Sat, 12 Sep - Fri, 18 Sep
Multiple Airlines Logo
22:15 - 08:45BRU  Brussels Bruxelles-National-SOU Southampton Eastleigh
11h 30m1 stop Barcelona-El Prat
Multiple Airlines Logo
12:35 - 11:50SOU  Southampton Eastleigh-BRU Brussels Bruxelles-National
22h 15m2 stops Belfast Intl Palma de Mallorca Son Sant Joan
£242Multiple Airlines
Thu, 3 Sep - Sun, 6 Sep
Multiple Airlines Logo
15:00 - 08:45BRU  Brussels Bruxelles-National-SOU Southampton Eastleigh
18h 45m2 stops Ibiza Barcelona-El Prat
Multiple Airlines Logo
12:35 - 11:50SOU  Southampton Eastleigh-BRU Brussels Bruxelles-National
22h 15m2 stops Belfast Intl Palma de Mallorca Son Sant Joan
£249Multiple Airlines
Thu, 3 Sep - Sun, 6 Sep
Aer Lingus Logo
21:25 - 08:40BRU  Brussels Bruxelles-National-SOU Southampton Eastleigh
12h 15m1 stop Dublin
Aer Lingus Logo
09:20 - 19:45SOU  Southampton Eastleigh-BRU Brussels Bruxelles-National
9h 25m1 stop Dublin
£252Aer Lingus
Thu, 3 Sep - Sun, 6 Sep
Multiple Airlines Logo
22:15 - 08:45BRU  Brussels Bruxelles-National-SOU Southampton Eastleigh
11h 30m1 stop Barcelona-El Prat
Multiple Airlines Logo
09:15 - 22:15SOU  Southampton Eastleigh-BRU Brussels Bruxelles-National
12h 00m1 stop Amsterdam Schiphol
£257Multiple Airlines
Thu, 3 Sep - Sun, 6 Sep
Multiple Airlines Logo
19:00 - 08:35BRU  Brussels Bruxelles-National-SOU Southampton Eastleigh
14h 35m1 stop Palma de Mallorca Son Sant Joan
Multiple Airlines Logo
20:00 - 09:20SOU  Southampton Eastleigh-BRU Brussels Bruxelles-National
12h 20m1 stop Dublin
£260Multiple Airlines
Wed, 26 Aug - Thu, 27 Aug
Multiple Airlines Logo
17:20 - 09:25BRU  Brussels Bruxelles-National-SOU Southampton Eastleigh
17h 05m2 stops Dublin Glasgow Intl
Multiple Airlines Logo
20:00 - 09:10SOU  Southampton Eastleigh-BRU Brussels Bruxelles-National
12h 10m1 stop Dublin
£261Multiple Airlines
Sat, 12 Sep - Fri, 18 Sep
Multiple Airlines Logo
10:20 - 16:50BRU  Brussels Bruxelles-National-SOU Southampton Eastleigh
7h 30m1 stop Dublin
Multiple Airlines Logo
09:15 - 22:15SOU  Southampton Eastleigh-BRU Brussels Bruxelles-National
12h 00m1 stop Amsterdam Schiphol
£266Multiple Airlines
Thu, 3 Sep - Sun, 6 Sep

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British Airways flights from Brussels Bruxelles-National Airport to Southampton

Our best British Airways deals on Brussels Bruxelles-National Airport to Southampton flight tickets
British Airways
20 Nov
BRU21:00Brussels Bruxelles-National
16h 05m
2 stops
SOU12:05Southampton Eastleigh
23 Nov
SOU19:40Southampton Eastleigh
24h 15m
2 stops
BRU20:55Brussels Bruxelles-National
£429
British Airways
20 Nov
BRU18:05Brussels Bruxelles-National
19h 00m
2 stops
SOU12:05Southampton Eastleigh
23 Nov
SOU12:35Southampton Eastleigh
6h 20m
2 stops
BRU19:55Brussels Bruxelles-National
£430
British Airways
3 Sept
BRU21:15Brussels Bruxelles-National
22h 45m
2 stops
SOU19:00Southampton Eastleigh
6 Sept
SOU08:55Southampton Eastleigh
24h 00m
2 stops
BRU09:55Brussels Bruxelles-National
£442

momondo Fare Finder

 
Customise your flight search to find flights from Brussels Bruxelles-National Airport 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 August 2026.
Use the filters below to find and compare flights from Brussels Bruxelles-National Airport to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BrusselsSouthampton

BRU Brussels Bruxelles-National - SOU Southampton Eastleigh

BRUSOU

Brussels Bruxelles-National

Mon 21/9

20:50-12:50

2 stops17h 00m

Southampton Eastleigh

Mon 28/9

20:40-09:25

1 stop11h 45m

£155

BrusselsSouthampton

BRU Brussels Bruxelles-National - SOU Southampton Eastleigh

BRUSOU

Brussels Bruxelles-National

Mon 21/9

09:35-16:50

1 stop8h 15m

Southampton Eastleigh

Mon 28/9

20:40-09:25

1 stop11h 45m

£187

BrusselsSouthampton

BRU Brussels Bruxelles-National - SOU Southampton Eastleigh

BRUSOU

Brussels Bruxelles-National

Sat 12/9

09:50-16:50

1 stop8h 00m

Southampton Eastleigh

Fri 18/9

20:00-09:10

1 stop12h 10m

£222

BrusselsSouthampton

BRU Brussels Bruxelles-National - SOU Southampton Eastleigh

BRUSOU

Brussels Bruxelles-National

Thu 3/9

22:15-08:45

1 stop11h 30m

Southampton Eastleigh

Sun 6/9

12:35-11:50

2 stops22h 15m

£242

BrusselsSouthampton

BRU Brussels Bruxelles-National - SOU Southampton Eastleigh

BRUSOU

Brussels Bruxelles-National

Thu 3/9

15:00-08:45

2 stops18h 45m

Southampton Eastleigh

Sun 6/9

12:35-11:50

2 stops22h 15m

£249

BrusselsSouthampton

BRU Brussels Bruxelles-National - SOU Southampton Eastleigh

BRUSOU

Brussels Bruxelles-National

Thu 3/9

21:25-08:40

1 stop12h 15m

Southampton Eastleigh

Sun 6/9

09:20-19:45

1 stop9h 25m

£252

BrusselsSouthampton

BRU Brussels Bruxelles-National - SOU Southampton Eastleigh

BRUSOU

Brussels Bruxelles-National

Thu 3/9

22:15-08:45

1 stop11h 30m

Southampton Eastleigh

Sun 6/9

09:15-22:15

1 stop12h 00m

£257

BrusselsSouthampton

BRU Brussels Bruxelles-National - SOU Southampton Eastleigh

BRUSOU

Brussels Bruxelles-National

Wed 26/8

19:00-08:35

1 stop14h 35m

Southampton Eastleigh

Thu 27/8

20:00-09:20

1 stop12h 20m

£260

BrusselsSouthampton

BRU Brussels Bruxelles-National - SOU Southampton Eastleigh

BRUSOU

Brussels Bruxelles-National

Sat 12/9

17:20-09:25

2 stops17h 05m

Southampton Eastleigh

Fri 18/9

20:00-09:10

1 stop12h 10m

£261
Fastest return journey

BrusselsSouthampton

BRU Brussels Bruxelles-National - SOU Southampton Eastleigh

BRUSOU

Brussels Bruxelles-National

Thu 3/9

10:20-16:50

1 stop7h 30m

Southampton Eastleigh

Sun 6/9

09:15-22:15

1 stop12h 00m

£266

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Brussels Bruxelles-National Airport 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 airline that flies from Brussels Bruxelles-National to Southampton Eastleigh?

Aer Lingus and British Airways are the most popular carriers operating from Brussels Bruxelles-National to Southampton Eastleigh

When to book flights from Brussels Bruxelles-National Airport to Southampton

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

Cheap Brussels Bruxelles-National Airport to Southampton (BRU to SOU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Brussels Bruxelles-National Airport to Southampton

Fastest flight time

12h 40m

Direct flights

None
The fastest flight from Brussels Bruxelles-National Airport to Southampton takes 12h 40m
There are no direct flights from Brussels Bruxelles-National Airport to Southampton. There are no popular flight routes from Brussels Bruxelles-National Airport to Southampton.
Search flight deals

Frequently asked questions about flying from Brussels Bruxelles-National Airport to Southampton

  • How far is Brussels Bruxelles-National to Southampton Eastleigh by plane?

    There are 256.3 mi between Brussels Bruxelles-National and Southampton Eastleigh. In terms of flight time, this usually takes a little over 12h 40m.

  • When did momondo last update prices for flights from Brussels Bruxelles-National Airport to Southampton Eastleigh Airport?

    Prices for flights from Brussels Bruxelles-National Airport to Southampton Eastleigh Airport are updated daily.

  • How old do you have to be to fly from Brussels Bruxelles-National Airport to Southampton Eastleigh 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 Brussels Bruxelles-National Airport 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.

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Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Brussels to Southampton for you.

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

Flights from Brussels 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 Brussels to Southampton?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Southampton from Brussels.

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

Of course. momondo tracks the price of Brussels to Southampton flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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