In terms of precipitation, rainfall in Belgium ranges from 40.0 - 80.0 inches per month. January is typically the wettest month, when rainfall can reach 80.0 mm. August is typically the driest time to visit Belgium when rainfall is around 40.0 mm.

If weather is an important factor for your trip to Belgium, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 3.0 C).

How far in advance should I book a flight from Southampton to Belgium?

Travelers have found it’s best to book a flight 54 days in advance to save up to 34% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 54 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Southampton to Belgium 1-2 weeks in advance for as low as £136, or £145 for flights within the next 24 hours.

What is the cheapest month to fly from Southampton to Belgium?

January is one of the best times of the year to fly to Belgium from Southampton. Prices for January average £123 per person but you can even find prices for as low as £78. The most expensive prices can be found in the month of July. Opting for a January flight can save you 22% on your journey compared to booking in July

What is the cheapest time of day to fly from SOU to BE?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Southampton to Belgium as you normally would.

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.

£100+ Flights from Southampton to Belgium

Cheap flight deals from Southampton to Belgium

Round-trip from	£215
One-way from	£100
Popular in	July
Cheapest in	January
Average price	£151

22/8-25/8
3 total stops
27h 05m total
Southampton to Belgium

Search Deals

KLM
20/11
1 total stop
3h 15m total
Southampton to Belgium

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£11 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

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

Best flights from Southampton to Belgium
Discover carefully curated flight deals from Southampton to Belgium that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 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

Sat 23/817:35SOU - BRU

1 stop3h 40mKLM

Mon 25/808:00BRU - SOU

1 stop25h 50mKLM

Deal found 12/7£224

Fri 29/816:10SOU - CRL

1 stop5h 25mMultiple Airlines

Fri 5/918:45CRL - SOU

2 stops14h 10mMultiple Airlines

Deal found 15/7£218

Fri 25/708:40SOU - BRU

2 stops9h 10mBritish Airways

Sun 27/720:35BRU - SOU

2 stops12h 35mBritish Airways

Deal found 13/7£839

Last-minute flights from Southampton to Belgium
Discover last-minute flight deals from Southampton to Belgium. Data last updated 15 July 2025 and is based on user searches.

Fri 25/708:40SOU - BRU

2 stops9h 10mBritish Airways

Sun 27/720:35BRU - SOU

2 stops12h 35mBritish Airways

Deal found 13/7£839

Fri 22/816:25SOU - BRU

2 stops15h 50mMultiple Airlines

Mon 25/822:25BRU - SOU

1 stop11h 15mMultiple Airlines

Deal found 15/7£215

Sat 23/817:35SOU - BRU

1 stop3h 40mKLM

Mon 25/808:00BRU - SOU

1 stop25h 50mKLM

Deal found 12/7£224

Fri 29/816:10SOU - CRL

1 stop5h 25mMultiple Airlines

Fri 5/918:45CRL - SOU

2 stops14h 10mMultiple Airlines

Deal found 15/7£218

One-way flights from Southampton to Belgium
Search for one-way flight options from Southampton to Belgium. Find affordable one-way fares based on user searches. Data last updated 15 July 2025.

Thu 20/1118:05SOU - BRU

1 stop3h 15mKLM

Deal found 13/7£100

Thu 20/1116:45SOU - BRU

2 stops15h 05mMultiple Airlines

Deal found 13/7£130

Thu 20/1111:40SOU - CRL

2 stops19h 30mMultiple Airlines

Deal found 13/7£143

Mon 4/816:35SOU - BRU

2 stops20h 45mBritish Airways

Deal found 13/7£276

Cheapflights Fare Finder

Use the filters below to find and compare flights from Southampton to Belgium that are best for you.

Fly from

Fly to

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

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.

KLM

7.8

Good

1,372 reviews

Check prices

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.

KLM

7.8

Good

1,372 reviews

KLM

7.8

Good

1,372 reviews

Check prices

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.

British Airways

6.6

Okay

7,141 reviews

KLM

7.8

Good

1,372 reviews

Check prices

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

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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Southampton to Belgium

Heathrow to Istanbul flights

Stansted to Istanbul flights

Luton to Belfast Intl flights

Gatwick to Lisbon flights

Luton to Lisbon flights

Gatwick to Belfast Intl flights

Heathrow to Lisbon flights

London City to Istanbul flights

Heathrow to Palma de Mallorca flights

Heathrow to Athens flights

Gatwick to Athens flights

Luton to Athens flights

Stansted to Lisbon flights

Heathrow to Málaga flights

Heathrow to Vicenza flights

Heathrow to Larnaca flights

Heathrow to Charles de Gaulle flights

Gatwick to Edinburgh flights

Stansted to Edinburgh flights

Heathrow to Edinburgh flights

London City to Charles de Gaulle flights

London City to Linate flights

Heathrow to Duesseldorf Intl flights

Gatwick to Amsterdam flights

Heathrow to Amsterdam flights

Luton to Edinburgh flights

Gatwick to Charles de Gaulle flights

Luton to Amsterdam flights

Luton to Charles de Gaulle flights

Stansted to Athens flights

London City to Leonardo da Vinci/Fiumicino flights

Heathrow to Barcelona-El Prat flights

Gatwick to Vicenza flights

Heathrow to Ibiza flights

Heathrow to Leonardo da Vinci/Fiumicino flights

Gatwick to Malpensa flights

Stansted to Sabiha Gokcen flights

Heathrow to Faro flights

London City to Vicenza flights

Heathrow to Malpensa flights

Luton to Istanbul flights

Heathrow to Berlin flights

Luton to Nice flights

Stansted to Barcelona-El Prat flights

Gatwick to Barcelona-El Prat flights

London City to Amsterdam flights

Gatwick to Istanbul flights

London City to Athens flights

London City to Lisbon flights

Stansted to Amsterdam flights

Direct flights to

Direct flights to London

Direct flights to Alicante

Direct flights to Paris

Direct flights to Manchester

Direct flights to Istanbul

Direct flights to Amsterdam

Direct flights to Málaga

Direct flights to Edinburgh

Direct flights to Dublin

Direct flights to Barcelona

Direct flights to Faro

Direct flights to Antalya

Direct flights to Rome

Direct flights to Palma de Mallorca

Direct flights to Belfast

Direct flights to Birmingham

Direct flights to Santa Cruz de Tenerife

Direct flights to Arrecife

Direct flights to Lisbon

Direct flights to Glasgow

Direct flights to Krakow

Direct flights to Dalaman

Direct flights to Luqa

Direct flights to Milan

Direct flights to Athens

Direct flights to Larnaca

Direct flights to Tirana

Direct flights to Bucharest

Direct flights to Berlin

Direct flights to Prague

Direct flights to Madrid

Direct flights to Newcastle upon Tyne

Direct flights to Ibiza

Direct flights to Budapest

Direct flights to Las Palmas de Gran Canaria

Direct flights to Zurich

Direct flights to Brussels

Direct flights to Copenhagen

Direct flights to Stockholm

Direct flights to Geneva

Direct flights to Newquay

Direct flights to Frankfurt am Main

Direct flights to Naples

Direct flights to Nice

Direct flights to Heraklion

Direct flights to Venice

Direct flights to Paphos

Direct flights to Puerto del Rosario

Direct flights to Munich

Direct flights to Vienna

Top airline flying from Southampton to Belgium

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest£160	Average£234	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Fly with Cheapflights

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

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.

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

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Southampton to Belgium

Cheapest flights from Southampton to BelgiumExplore 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.

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.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Southampton to Belgium that are best for you.

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.

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?

Reviews of airlines servicing Belgium

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.

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?

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

How can I find direct flights from Southampton to Belgium?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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?

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

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

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

100% Free

Book with Flexibility

Travel Smart

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.