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Cheap flights from Southampton to Brussels from £108

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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BRU
16 Jul — 23 Jul1
1 adult

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 11 July 2025.

Round-trip from

£193

One-way from

£108

Popular in

June

Cheapest in

April

Average price

£189
KLM
  • KLM
  • 16/12-23/12
  • 2 total stops
  • 15h 25m total
  • Southampton to Brussels
7/11
  • 7/11
  • 1 total stop
  • 14h 20m total
  • Southampton to Brussels
Highest demand for flights based on searches. 11% potential increase in price (£22 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£6 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Southampton to Brussels

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 11 July 2025.

Tue 16/1218:05SOU - BRU
1 stop12h 30mKLM
Tue 23/1206:15BRU - SOU
1 stop2h 55mKLM
Deal found 9/7£193
Sun 24/821:30SOU - BRU
2 stops19h 35mMultiple Airlines
Sun 31/821:30BRU - SOU
1 stop12h 40mMultiple Airlines
Deal found 10/7£216
Wed 13/808:55SOU - CRL
2 stops23h 10mMultiple Airlines
Sun 17/815:10CRL - SOU
2 stops19h 00mMultiple Airlines
Deal found 9/7£268
Sun 24/809:10SOU - BRU
1 stop23h 30mAer Lingus
Sun 31/821:20BRU - SOU
1 stop12h 50mAer Lingus
Deal found 10/7£352
Tue 16/1206:50SOU - BRU
2 stops13h 10mBritish Airways
Tue 23/1214:55BRU - SOU
2 stops19h 40mBritish Airways
Deal found 9/7£421

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 11 July 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 - BRU

SOUBRU

Southampton Eastleigh

Tue 16/12

18:05-07:35

1 stop12h 30m

Brussels Bruxelles-National

Tue 23/12

06:15-08:10

1 stop2h 55m

£193

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Sun 24/8

21:30-18:05

2 stops19h 35m

Brussels Bruxelles-National

Sun 31/8

21:30-09:10

1 stop12h 40m

£216

SouthamptonBrussels

SOU - CRL

SOUCRL

Southampton Eastleigh

Wed 13/8

08:55-09:05

2 stops23h 10m

Charleroi Brussels

Sun 17/8

15:10-09:10

2 stops19h 00m

£268

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Sun 24/8

09:10-09:40

1 stop23h 30m

Brussels Bruxelles-National

Sun 31/8

21:20-09:10

1 stop12h 50m

£352

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Tue 16/12

06:50-21:00

2 stops13h 10m

Brussels Bruxelles-National

Tue 23/12

14:55-09:35

2 stops19h 40m

£421

SouthamptonBrussels

SOU - CRL

SOUCRL

Southampton Eastleigh

Fri 7/11

20:10-11:30

1 stop14h 20m

£108

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Fri 7/11

20:10-09:35

1 stop12h 25m

£109

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Fri 7/11

17:45-09:35

2 stops14h 50m

£146

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Fri 25/7

08:55-19:10

2 stops33h 15m

£291

Flights are sorted by cheapest return flights first.

Deals found on 10/7

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, January is the cheapest month in which you can book a flight from Southampton to Brussels (average of £117). Flying from Southampton to Brussels in July is currently the most expensive (average of £172). 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 11 July 2025.
Get a feel of what it's like to fly with KLM, Aer Lingus, andBritish Airways 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.

Crew

8.4

Boarding

7.8

Overall

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Crew

8.4

Boarding

7.8

Overall

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Crew

8.4

Boarding

7.8

Overall

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Crew

8.4

Boarding

7.8

Overall

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 are the cheapest airlines flying from Southampton to Brussels round-trip?

    Flying on KLM is currently your cheapest option to Brussels, with prices starting at £193. Additional return tickets that might be worth considering are offered by Aer Lingus and British Airways, with the lowest prices starting at £352 and £421, respectively. KLM is currently priced 14% 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, January is the cheapest month in which you can book a flight from Southampton to Brussels (average of £117). Flying from Southampton to Brussels in July is currently the most expensive (average of £172). 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.

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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£158Average£229FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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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?

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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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