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Cheap flights from Southampton to Brussels from £74

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 23/3. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BRU
14 Nov — 21 Nov1
1 adult
1 adult, Economy

Cheap 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 15 October 2025.

Round-trip from

£172

One-way from

£74

Popular in

June

Cheapest in

April

Average price

£207
3/11-7/11
  • 3/11-7/11
  • 2 total stops
  • 28h 25m total
  • Southampton to Brussels
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23/3
  • 23/3
  • 1 total stop
  • 12h 05m total
  • Southampton to Brussels
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£18 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Find 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 15 October 2025.

Mon 3/1119:55SOU - CRL
1 stop14h 30mMultiple Airlines
Fri 7/1106:25CRL - SOU
1 stop13h 55mMultiple Airlines
Deal found 14/10£172
Fri 28/1119:50SOU - BRU
1 stop13h 35mMultiple Airlines
Fri 5/1218:30BRU - SOU
1 stop15h 15mMultiple Airlines
Deal found 14/10£178
Fri 21/1119:50SOU - BRU
1 stop13h 35mMultiple Airlines
Sun 23/1119:30BRU - SOU
2 stops24h 50mMultiple Airlines
Deal found 13/10£204
Mon 3/1119:55SOU - BRU
1 stop11h 30mMultiple Airlines
Fri 7/1108:45BRU - SOU
1 stop11h 35mMultiple Airlines
Deal found 14/10£207
Tue 4/1114:35SOU - BRU
2 stops18h 25mBritish Airways
Wed 5/1120:30BRU - SOU
2 stops18h 35mBritish Airways
Deal found 14/10£400
Fri 28/1113:30SOU - BRU
2 stops18h 15mBritish Airways
Fri 5/1221:20BRU - SOU
2 stops15h 45mBritish Airways
Deal found 14/10£410

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 15 October 2025.
Use the filters below to find and compare flights from Southampton to Brussels that are best for you.

Fly from

Southampton

Fly to

Brussels

Route

Depart

Return

Price

SouthamptonBrussels

SOU - CRL

SOUCRL

Southampton Eastleigh

Mon 3/11

19:55-11:25

1 stop14h 30m

Charleroi Brussels

Fri 7/11

06:25-19:20

1 stop13h 55m

£172

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Mon 23/3

19:55-09:00

1 stop12h 05m

Brussels Bruxelles-National

Fri 27/3

09:40-19:20

1 stop10h 40m

£174

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Fri 28/11

19:50-10:25

1 stop13h 35m

Brussels Bruxelles-National

Fri 5/12

18:30-08:45

1 stop15h 15m

£178

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Fri 21/11

19:50-10:25

1 stop13h 35m

Brussels Bruxelles-National

Sun 23/11

19:30-19:20

2 stops24h 50m

£204

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Mon 3/11

19:55-08:25

1 stop11h 30m

Brussels Bruxelles-National

Fri 7/11

08:45-19:20

1 stop11h 35m

£207

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Wed 14/1

16:05-08:50

1 stop15h 45m

Brussels Bruxelles-National

Sat 17/1

16:45-08:45

1 stop17h 00m

£215

SouthamptonBrussels

SOU - CRL

SOUCRL

Southampton Eastleigh

Wed 14/1

08:55-19:05

2 stops9h 10m

Charleroi Brussels

Sat 17/1

12:35-08:45

2 stops21h 10m

£265

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Mon 23/3

19:55-09:00

1 stop12h 05m

£74

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Wed 5/11

20:10-09:35

1 stop12h 25m

£92

SouthamptonBrussels

SOU - CRL

SOUCRL

Southampton Eastleigh

Wed 5/11

08:55-08:50

3 stops22h 55m

£113

Flights are sorted by cheapest return flights first.

Deals found on 13/10

Showing 1-10 of 12 results
1
2

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

What is the cheapest month to book a flight from Southampton to Brussels?

Currently, October is the cheapest month in which you can book a flight from Southampton to Brussels (average of £75). Flying from Southampton to Brussels in August is currently the most expensive (average of £95). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 15 October 2025.
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
7.7
Good
1,402 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Overall

7.7

Food

7.2

Crew

8.4

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,402 reviews
KLM
7.7
Good
1,402 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Overall

7.7

Food

7.2

Crew

8.4

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 £162. KLM is currently priced 31% below the average price you’ll pay for this route.

  • 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.

  • What is the cheapest month to book a flight from Southampton to Brussels?

    Currently, October is the cheapest month in which you can book a flight from Southampton to Brussels (average of £75). Flying from Southampton to Brussels in August is currently the most expensive (average of £95). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.
Manchester to Bruxelles-National flights
Gatwick to Bruxelles-National flights
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Manchester to Charleroi Brussels flights
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Luton to Charleroi Brussels flights
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Gatwick to Charleroi Brussels flights
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Newcastle upon Tyne to Bruxelles-National flights
Edinburgh to Charleroi Brussels flights
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Newcastle upon Tyne to Charleroi Brussels flights
Birmingham to Charleroi Brussels flights
East Midlands to Bruxelles-National flights
Gatwick to Antwerp flights
Bristol to Charleroi Brussels flights
Luton to Antwerp flights
Stansted to Antwerp flights
Gatwick to Ostend flights
Liverpool to Bruxelles-National flights
Southampton to Bruxelles-National flights
Leeds to Charleroi Brussels flights
Heathrow to Ostend flights
Liverpool to Charleroi Brussels flights
Leeds to Bruxelles-National flights
Birmingham to Antwerp flights
East Midlands to Charleroi Brussels flights
London City to Charleroi Brussels flights
Manchester to Ostend flights
Heathrow to Antwerp flights
Southampton to Charleroi Brussels flights
Newquay to Bruxelles-National flights
Grimsby to Bruxelles-National flights
Exeter to Bruxelles-National flights
Norwich to Bruxelles-National flights
Darlington to Bruxelles-National flights
Southend to Antwerp flights
London City to Antwerp flights
Doncaster to Bruxelles-National flights
Edinburgh to Antwerp 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 15 October 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£162Average£254FlexibilityNo 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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