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Cheap flights from Southampton to Belgium from £137

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BRU
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Southampton to Belgium

Enter your travel dates to find the best prices.

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 27 November 2025.

Mon 8/1218:05SOU - BRU
1 stop3h 15mKLM
Fri 12/1214:45BRU - SOU
1 stop3h 15mKLM
Deal found 26/11£380
Sun 7/1218:05SOU - BRU
1 stop3h 15mKLM
Fri 12/1214:45BRU - SOU
1 stop3h 15mKLM
Deal found 26/11£406
Fri 26/1217:30SOU - BRU
1 stop3h 50mKLM
Fri 2/114:45BRU - SOU
1 stop3h 15mKLM
Deal found 26/11£421
Sun 7/1218:05SOU - BRU
1 stop3h 15mKLM
Fri 19/1214:45BRU - SOU
1 stop3h 15mKLM
Deal found 26/11£476
Mon 8/1220:40SOU - BRU
2 stops13h 30mBritish Airways
Fri 12/1211:45BRU - SOU
2 stops8h 45mBritish Airways
Deal found 26/11£743
Sun 7/1209:45SOU - BRU
2 stops10h 05mBritish Airways
Fri 12/1209:50BRU - SOU
2 stops10h 40mBritish Airways
Deal found 26/11£961
Sun 7/1209:45SOU - BRU
2 stops10h 05mBritish Airways
Fri 19/1209:50BRU - SOU
2 stops10h 40mBritish Airways
Deal found 26/11£1,051

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 27 November 2025.

Round-trip from

£137

Popular in

July

Cheapest in

January

Average price

£118
9/1-16/1
  • 9/1-16/1
  • 2 total stops
  • 26h 35m total
  • Southampton to Belgium
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£9 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 27 November 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 9/1

20:10-08:30

1 stop11h 20m

Brussels Bruxelles-National

Fri 16/1

18:30-08:45

1 stop15h 15m

£137

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Mon 23/2

08:50-14:15

1 stop4h 25m

Brussels Bruxelles-National

Fri 27/2

10:45-17:00

1 stop7h 15m

£285

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Fri 20/2

17:35-22:20

1 stop3h 45m

Brussels Bruxelles-National

Sun 22/2

06:15-08:50

1 stop3h 35m

£285

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Thu 19/2

17:35-22:20

1 stop3h 45m

Brussels Bruxelles-National

Sun 22/2

06:15-08:50

1 stop3h 35m

£285

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Mon 8/12

18:05-22:20

1 stop3h 15m

Brussels Bruxelles-National

Fri 12/12

14:45-17:00

1 stop3h 15m

£380

Flights are sorted by cheapest return flights first.

Deals found on 25/11

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, March is the cheapest month in which you can book a flight from Southampton to Belgium (average of £84). Flying from Southampton to Belgium 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 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 27 November 2025.
Check out reviews from past customers who have flown with KLM 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.
KLM
7.7
Good
1,423 reviews
Check prices

Food

7.2

Crew

8.4

Overall

7.7

Boarding

7.8

Entertainment

7.1

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
1,423 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Food

7.2

Crew

8.4

Overall

7.7

Boarding

7.8

Entertainment

7.1

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 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, March is the cheapest month in which you can book a flight from Southampton to Belgium (average of £84). Flying from Southampton to Belgium 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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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 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£163Average£260FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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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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