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Cheap flights from Southampton to Belgium from £100

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 20/11. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BRU
20 Jul — 27 Jul1
1 adult

Cheap flight deals from Southampton to Belgium

Keep the following information in mind while searching for Southampton to Belgium flight deals. Data was last updated 15 July 2025.

Round-trip from

£215

One-way from

£100

Popular in

July

Cheapest in

January

Average price

£151
22/8-25/8
  • 22/8-25/8
  • 3 total stops
  • 27h 05m total
  • Southampton to Belgium
KLM
  • KLM
  • 20/11
  • 1 total stop
  • 3h 15m total
  • Southampton to Belgium
Highest demand for flights based on searches. 11% potential increase in price (£11 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Southampton to Belgium

Cheapest flights from Southampton to Belgium
Explore the most affordable flight options available from Southampton to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 July 2025.

Fri 22/816:25SOU - BRU
2 stops15h 50mMultiple Airlines
Mon 25/822:25BRU - SOU
1 stop11h 15mMultiple Airlines
Deal found 15/7£215
Fri 29/816:10SOU - CRL
1 stop5h 25mMultiple Airlines
Fri 5/918:45CRL - SOU
2 stops14h 10mMultiple Airlines
Deal found 15/7£218
Sat 23/817:35SOU - BRU
1 stop3h 40mKLM
Mon 25/808:00BRU - SOU
1 stop25h 50mKLM
Deal found 12/7£224
Fri 25/708:40SOU - BRU
2 stops9h 10mBritish Airways
Sun 27/720:35BRU - SOU
2 stops12h 35mBritish Airways
Deal found 13/7£839

Cheapflights Fare Finder

Customise your flight search to find flights from Southampton to Belgium 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 July 2025.
Use the filters below to find and compare flights from Southampton to Belgium that are best for you.

Fly from

Southampton

Fly to

Belgium

Route

Depart

Return

Price

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Fri 22/8

16:25-09:15

2 stops15h 50m

Brussels Bruxelles-National

Mon 25/8

22:25-08:40

1 stop11h 15m

£215

SouthamptonBrussels

SOU - CRL

SOUCRL

Southampton Eastleigh

Fri 29/8

16:10-22:35

1 stop5h 25m

Charleroi Brussels

Fri 5/9

18:45-07:55

2 stops14h 10m

£218

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Sat 23/8

17:35-22:15

1 stop3h 40m

Brussels Bruxelles-National

Mon 25/8

08:00-08:50

1 stop25h 50m

£224

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Fri 25/7

08:40-18:50

2 stops9h 10m

Brussels Bruxelles-National

Sun 27/7

20:35-08:10

2 stops12h 35m

£839

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Thu 20/11

18:05-22:20

1 stop3h 15m

£100

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Thu 20/11

16:45-08:50

2 stops15h 05m

£130

SouthamptonBrussels

SOU - CRL

SOUCRL

Southampton Eastleigh

Thu 20/11

11:40-08:10

2 stops19h 30m

£143

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Mon 4/8

16:35-14:20

2 stops20h 45m

£276

Flights are sorted by cheapest return flights first.

Deals found on 13/7

Best time to book a flight from Southampton to Belgium

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

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

Currently, January is the cheapest month in which you can book a flight from Southampton to Belgium (average of £117). Flying from Southampton to Belgium 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 Belgium

Get insights into the airlines that provide service to Belgium. 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 Belgium. Reviews last updated 15 July 2025.
Check out reviews from past customers who have flown with KLM and British Airways from Southampton to Belgium to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.7

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Overall

7.8

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.

Comfort

7.7

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Overall

7.8

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.

Comfort

7.7

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Overall

7.8

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 Belgium. 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 Belgium?

    For a flight from Southampton to Belgium, you will be flying from Eastleigh. Southampton Eastleigh (SOU) is just 3.5 mi from the center of the city.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Southampton to Belgium 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 Belgium?

    Currently, January is the cheapest month in which you can book a flight from Southampton to Belgium (average of £117). Flying from Southampton to Belgium 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 Belgium

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Southampton to Belgium

Discover the top airline that operate flights from Southampton to Belgium. 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 July 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£160Average£234FlexibilityNo 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 Belgium?

Cheapflights helps you search for flights from Southampton to Belgium via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Southampton to Belgium?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Southampton to Belgium.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Southampton to Belgium, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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