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Cheap flights from Southampton to Brussels from £142

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BRU
4 Jan — 11 Jan1
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 5 December 2025.

Wed 31/1208:40SOU - BRU
2 stops10h 05mBritish Airways
Wed 14/111:50BRU - SOU
2 stops9h 15mBritish Airways
Deal found 3/12£493
Sat 20/1209:30SOU - BRU
2 stops24h 00mBritish Airways
Tue 23/1221:45BRU - SOU
2 stops14h 10mBritish Airways
Deal found 3/12£507
Sat 20/1209:30SOU - BRU
1 stop23h 05mAer Lingus
Mon 22/1210:15BRU - SOU
1 stop10h 25mAer Lingus
Deal found 3/12£543
Sat 20/1209:30SOU - BRU
2 stops24h 00mBritish Airways
Mon 22/1217:30BRU - SOU
2 stops21h 50mBritish Airways
Deal found 3/12£572
Fri 19/1213:30SOU - BRU
2 stops18h 15mBritish Airways
Mon 22/1220:45BRU - SOU
2 stops18h 35mBritish Airways
Deal found 3/12£591
Sat 20/1209:30SOU - BRU
1 stop23h 05mMultiple Airlines
Mon 22/1210:15BRU - SOU
2 stops10h 05mMultiple Airlines
Deal found 3/12£768
Sun 7/1209:45SOU - BRU
2 stops10h 05mBritish Airways
Thu 15/110:15BRU - SOU
2 stops10h 50mBritish Airways
Deal found 4/12£909

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 5 December 2025.

Round-trip from

£142

Popular in

June

Cheapest in

April

Average price

£251
18/1-25/1
  • 18/1-25/1
  • 2 total stops
  • 22h 55m total
  • Southampton to Brussels
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£22 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 5 December 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

Sun 18/1

20:10-09:05

1 stop11h 55m

Brussels Bruxelles-National

Sun 25/1

09:40-08:45

1 stop24h 05m

£151

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Mon 12/1

12:00-13:55

2 stops24h 55m

Brussels Bruxelles-National

Fri 16/1

20:20-16:40

2 stops21h 20m

£358

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Wed 4/3

08:40-19:45

2 stops10h 05m

Brussels Bruxelles-National

Wed 18/3

11:50-20:20

2 stops9h 30m

£435

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Thu 5/3

08:40-19:35

2 stops9h 55m

Brussels Bruxelles-National

Thu 19/3

10:15-20:20

2 stops11h 05m

£452

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Wed 3/6

08:55-20:25

2 stops10h 30m

Brussels Bruxelles-National

Wed 17/6

10:55-19:25

2 stops9h 30m

£483

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Wed 31/12

08:40-19:45

2 stops10h 05m

Brussels Bruxelles-National

Wed 14/1

11:50-20:05

2 stops9h 15m

£493

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Thu 2/4

08:55-20:25

2 stops10h 30m

£221

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Fri 3/4

08:55-09:55

2 stops24h 00m

£237

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Mon 5/1

08:40-19:55

2 stops10h 15m

£343

Flights are sorted by cheapest return flights first.

Deals found on 3/12

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, March is the cheapest month in which you can book a flight from Southampton to Brussels (average of £83). Flying from Southampton to Brussels in August is currently the most expensive (average of £94). 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 5 December 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
1,430 reviews
Check prices

Comfort

7.6

Overall

7.7

Crew

8.4

Boarding

7.8

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,430 reviews
KLM
7.7
Good
1,430 reviews
Check prices

Comfort

7.6

Overall

7.7

Crew

8.4

Boarding

7.8

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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.

  • How long is the flight from Southampton to Brussels?

    Airlines like British Airways fly from Southampton to Brussels in about 24h 55m. The time it takes to get you to your destination can typically vary by up to . There are 254 mi between Southampton and Brussels.

  • 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 £161. KLM is currently priced 30% 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, March is the cheapest month in which you can book a flight from Southampton to Brussels (average of £83). Flying from Southampton to Brussels in August is currently the most expensive (average of £94). 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
Luton to Bruxelles-National flights
Stansted to Bruxelles-National flights
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Manchester to Charleroi Brussels flights
Stansted to Charleroi Brussels flights
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Heathrow to Charleroi Brussels flights
Southend to Bruxelles-National flights
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Edinburgh to Charleroi Brussels flights
Birmingham to Bruxelles-National flights
Manchester to Antwerp flights
Bristol to Bruxelles-National flights
Gatwick to Antwerp flights
Luton to Antwerp flights
Newcastle upon Tyne to Bruxelles-National flights
Bristol to Charleroi Brussels flights
Southampton to Bruxelles-National flights
Gatwick to Ostend flights
East Midlands to Bruxelles-National flights
Liverpool to Bruxelles-National flights
Leeds to Bruxelles-National flights
Birmingham to Charleroi Brussels flights
Heathrow to Antwerp flights
Newcastle upon Tyne to Charleroi Brussels flights
Norwich to Bruxelles-National flights
East Midlands to Charleroi Brussels flights
Stansted to Antwerp flights
Exeter to Bruxelles-National flights
Heathrow to Ostend flights
Newquay to Bruxelles-National flights
Liverpool to Charleroi Brussels flights
Edinburgh to Antwerp flights
Leeds to Charleroi Brussels flights
Doncaster to Bruxelles-National flights
Birmingham to Antwerp flights
Manchester to Ostend flights
Darlington to Bruxelles-National flights
Leeds to Antwerp flights
Grimsby to Bruxelles-National flights
Southampton to Charleroi Brussels 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 5 December 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£161Average£261FlexibilityNo 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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