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Cheap flights from Southampton to Brussels from £129

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BRU
4 Jul — 11 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Brussels

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to Brussels
Explore the most affordable flight options available from Southampton to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 June 2026.

Mon 6/720:40
SOU
-
BRU
1 stop11h 45m
Multiple Airlines
Wed 8/719:00
BRU
-
SOU
1 stop14h 35m
Multiple Airlines
Deal found 2/6£129
Wed 1/709:20
SOU
-
CRL
2 stops21h 50m
Multiple Airlines
Wed 8/717:20
CRL
-
SOU
1 stop16h 15m
Multiple Airlines
Deal found 3/6£169
Tue 14/720:00
SOU
-
CRL
1 stop11h 25m
Multiple Airlines
Mon 20/709:05
CRL
-
SOU
2 stops24h 35m
Multiple Airlines
Deal found 3/6£186
Tue 30/614:15
SOU
-
CRL
2 stops21h 50m
Multiple Airlines
Tue 7/719:45
CRL
-
SOU
2 stops24h 45m
Multiple Airlines
Deal found 2/6£193
Wed 15/720:00
SOU
-
CRL
2 stops25h 15m
Multiple Airlines
Mon 20/709:05
CRL
-
SOU
2 stops24h 35m
Multiple Airlines
Deal found 1/6£193
Thu 2/717:20
SOU
-
CRL
1 stop14h 20m
Multiple Airlines
Thu 9/717:30
CRL
-
SOU
2 stops27h 10m
Multiple Airlines
Deal found 4/6£197
Tue 14/706:45
SOU
-
CRL
1 stop5h 05m
Multiple Airlines
Tue 14/719:45
CRL
-
SOU
2 stops24h 45m
Multiple Airlines
Deal found 3/6£204
Thu 16/709:05
SOU
-
BRU
2 stops24h 25m
Multiple Airlines
Sun 26/709:50
BRU
-
SOU
1 stop10h 40m
Multiple Airlines
Deal found 1/6£204
Fri 19/617:20
SOU
-
CRL
2 stops21h 10m
Multiple Airlines
Sun 21/608:35
CRL
-
SOU
2 stops24h 50m
Multiple Airlines
Deal found 2/6£205
Tue 30/617:20
SOU
-
BRU
1 stop13h 15m
KLM
Tue 7/715:10
BRU
-
SOU
1 stop18h 35m
KLM
Deal found 2/6£214
Wed 15/709:15
SOU
-
BRU
1 stop21h 20m
KLM
Sun 19/706:20
BRU
-
SOU
1 stop3h 25m
KLM
Deal found 3/6£215
Thu 2/715:25
SOU
-
BRU
1 stop16h 50m
Multiple Airlines
Thu 9/716:40
BRU
-
SOU
2 stops28h 00m
Multiple Airlines
Deal found 4/6£226

Find flight deals from Southampton to Brussels

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Brussels (BR1). 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 4 June 2026.

Round-trip from

£129

Popular in

May

Cheapest in

November

Average price

£138
6/7-8/7
  • 6/7-8/7
  • 2 total stops
  • 26h 20m total
  • Southampton to Brussels
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£9 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£3 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 Brussels 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 4 June 2026.
Use the filters below to find and compare flights from Southampton to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Mon 6/7

20:40-09:25

1 stop11h 45m

Brussels Bruxelles-National

Wed 8/7

19:00-08:35

1 stop14h 35m

£138

SouthamptonBrussels

SOU - CRL

SOUCRL

Southampton Eastleigh

Wed 1/7

09:20-08:10

2 stops21h 50m

Charleroi Brussels

Wed 8/7

17:20-08:35

1 stop16h 15m

£169

SouthamptonBrussels

SOU - CRL

SOUCRL

Southampton Eastleigh

Tue 30/6

14:15-13:05

2 stops21h 50m

Charleroi Brussels

Tue 7/7

19:45-19:30

2 stops24h 45m

£193

SouthamptonBrussels

SOU - CRL

SOUCRL

Southampton Eastleigh

Wed 15/7

20:00-22:15

2 stops25h 15m

Charleroi Brussels

Mon 20/7

09:05-08:40

2 stops24h 35m

£195

SouthamptonBrussels

SOU - CRL

SOUCRL

Southampton Eastleigh

Thu 2/7

17:20-08:40

1 stop14h 20m

Charleroi Brussels

Thu 9/7

17:30-19:40

2 stops27h 10m

£197

SouthamptonBrussels

SOU - CRL

SOUCRL

Southampton Eastleigh

Tue 14/7

06:45-12:50

1 stop5h 05m

Charleroi Brussels

Tue 14/7

19:45-19:30

2 stops24h 45m

£204

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Thu 16/7

09:05-10:30

2 stops24h 25m

Brussels Bruxelles-National

Sun 26/7

09:50-19:30

1 stop10h 40m

£204

SouthamptonBrussels

SOU - CRL

SOUCRL

Southampton Eastleigh

Fri 19/6

17:20-15:30

2 stops21h 10m

Charleroi Brussels

Sun 21/6

08:35-08:25

2 stops24h 50m

£205

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Thu 2/7

15:25-09:15

1 stop16h 50m

Brussels Bruxelles-National

Thu 9/7

16:40-19:40

2 stops28h 00m

£226

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Wed 1/7

17:20-09:40

1 stop15h 20m

Brussels Bruxelles-National

Wed 8/7

10:25-17:35

1 stop8h 10m

£237

Flights are sorted by cheapest return flights first.

Deals found on 31/5

Showing 1-10 of 23 resultsSorted by cheapest first
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2
3

Best time to book a flight from Southampton to Brussels

Have a flexible travel schedule? Discover the best time to fly to Brussels 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.

Cheapflights Insights

Everything you need to know about your flight from Southampton to Brussels
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Brussels

Get insights into the airlines that provide service to Brussels. 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 Brussels. Reviews last updated 4 June 2026.
Get a feel of what it's like to fly with KLM from Southampton to Brussels by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,524 reviews
Check prices

Food

7.3

Crew

8.4

Boarding

7.8

Entertainment

7.2

Overall

7.8

Comfort

7.7

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
1,524 reviews
KLM
7.8
Good
1,524 reviews
Check prices

Food

7.3

Crew

8.4

Boarding

7.8

Entertainment

7.2

Overall

7.8

Comfort

7.7

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 Brussels. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Southampton to Brussels?

    Southampton Eastleigh (SOU), located 3.5 mi from the city center, is the airport you fly out of when you book flights from Southampton to Brussels. 1 airline have flights from Eastleigh to Brussels on a regular basis. Booking flights from Southampton Eastleigh to Brussels should not be difficult; the airport handles an average of 0 outbound flights to Brussels per day.

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

    Flying on KLM is currently your cheapest option to Brussels, with prices starting at £178.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Southampton to Brussels 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

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Alternative routes for Southampton to Brussels

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to Bruxelles-National flights
Luton to Bruxelles-National flights
Manchester to Bruxelles-National flights
Stansted to Bruxelles-National flights
London City to Bruxelles-National flights
Manchester to Charleroi Brussels flights
Stansted to Charleroi Brussels flights
Luton to Charleroi Brussels flights
Heathrow to Bruxelles-National flights
Gatwick to Charleroi Brussels flights
Edinburgh to Bruxelles-National flights
Heathrow to Charleroi Brussels flights
Birmingham to Bruxelles-National flights
Edinburgh to Charleroi Brussels flights
Southend to Bruxelles-National flights
Luton to Antwerp flights
Stansted to Antwerp flights
Manchester to Antwerp flights
Newcastle upon Tyne to Bruxelles-National flights
Southampton to Bruxelles-National flights
Gatwick to Antwerp flights
Bristol to Bruxelles-National flights
Birmingham to Charleroi Brussels flights
Gatwick to Ostend flights
Heathrow to Ostend flights
Southend to Antwerp flights
Edinburgh to Antwerp flights
Liverpool to Bruxelles-National flights
Bristol to Charleroi Brussels flights
Leeds to Bruxelles-National flights
Newcastle upon Tyne to Charleroi Brussels flights
Exeter to Bruxelles-National flights
Birmingham to Antwerp flights
Liverpool to Charleroi Brussels flights
Manchester to Ostend flights
Southampton to Charleroi Brussels flights
Leeds to Charleroi Brussels flights
East Midlands to Bruxelles-National flights
East Midlands to Charleroi Brussels flights
Grimsby to Bruxelles-National flights
Heathrow to Antwerp flights
London City to Antwerp flights
Norwich to Bruxelles-National flights
London City to Charleroi Brussels flights
Doncaster to Bruxelles-National flights
Leeds to Antwerp flights
Newquay to Bruxelles-National flights

Top airline flying from Southampton to Brussels

Discover the top airline that operate flights from Southampton to Brussels. 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 4 June 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£178Average£250FlexibilityNo 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 Brussels?

When you search for this flight from Southampton to Brussels, 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 Brussels?

Cheapflights helps you find that perfect flight to Brussels from Southampton by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from Southampton to Brussels with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Of course! You can now track prices for flights from Southampton to Brussels and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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