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 58 days in advance to save up to 33% 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 58 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 £140 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 £121 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 17% 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.

£81+ Flights from Southampton to Belgium

Cheap flight deals from Southampton to Belgium

Round-trip from	£127
One-way from	£81
Popular in	July
Cheapest in	January
Average price	£131

13/10-16/10
3 total stops
28h 55m total
Southampton to Belgium

Search Deals

Aer Lingus
15/10
1 total stop
12h 40m total
Southampton to Belgium

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£10 potential increase over avg. return price).

Search Deals

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

Search Deals

Average for round-trip flights in August 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 29 August 2025.

Mon 13/1020:30SOU - BRU

2 stops16h 55mMultiple Airlines

Thu 16/1021:40BRU - SOU

1 stop12h 00mMultiple Airlines

Deal found 27/8£127

Thu 25/920:00SOU - BRU

1 stop23h 10mMultiple Airlines

Thu 2/1021:40BRU - SOU

1 stop12h 00mMultiple Airlines

Deal found 28/8£184

Fri 26/920:00SOU - BRU

1 stop12h 15mMultiple Airlines

Mon 29/922:25BRU - SOU

1 stop10h 50mMultiple Airlines

Deal found 27/8£201

Thu 25/915:05SOU - CRL

2 stops16h 15mMultiple Airlines

Thu 2/1021:05CRL - SOU

2 stops22h 50mMultiple Airlines

Deal found 28/8£204

Fri 17/1008:40SOU - BRU

2 stops9h 10mBritish Airways

Sun 19/1020:35BRU - SOU

2 stops12h 35mBritish Airways

Deal found 29/8£536

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 29 August 2025.

Mon 13/1020:30SOU - BRU

2 stops16h 55mMultiple Airlines

Thu 16/1021:40BRU - SOU

1 stop12h 00mMultiple Airlines

Deal found 27/8£127

Thu 25/920:00SOU - BRU

1 stop23h 10mMultiple Airlines

Thu 2/1021:40BRU - SOU

1 stop12h 00mMultiple Airlines

Deal found 28/8£184

Fri 26/920:00SOU - BRU

1 stop12h 15mMultiple Airlines

Mon 29/922:25BRU - SOU

1 stop10h 50mMultiple Airlines

Deal found 27/8£201

Thu 25/915:05SOU - CRL

2 stops16h 15mMultiple Airlines

Thu 2/1021:05CRL - SOU

2 stops22h 50mMultiple Airlines

Deal found 28/8£204

Fri 17/1008:40SOU - BRU

2 stops9h 10mBritish Airways

Sun 19/1020:35BRU - SOU

2 stops12h 35mBritish Airways

Deal found 29/8£536

Last-minute flights from Southampton to Belgium
Discover last-minute flight deals from Southampton to Belgium. Data last updated 29 August 2025 and is based on user searches.

Thu 25/920:00SOU - BRU

1 stop23h 10mMultiple Airlines

Thu 2/1021:40BRU - SOU

1 stop12h 00mMultiple Airlines

Deal found 28/8£184

Thu 25/915:05SOU - CRL

2 stops16h 15mMultiple Airlines

Thu 2/1021:05CRL - SOU

2 stops22h 50mMultiple Airlines

Deal found 28/8£204

Fri 26/920:00SOU - BRU

1 stop12h 15mMultiple Airlines

Mon 29/922:25BRU - SOU

1 stop10h 50mMultiple Airlines

Deal found 27/8£201

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 29 August 2025.

Wed 15/1020:00SOU - BRU

1 stop12h 40mAer Lingus

Deal found 28/8£81

Wed 15/1009:10SOU - BRU

2 stops23h 35mMultiple Airlines

Deal found 28/8£86

Mon 27/1009:30SOU - BRU

1 stop7h 45mAer Lingus

Deal found 29/8£188

Tue 16/920:00SOU - BRU

1 stop12h 40mAer Lingus

Deal found 29/8£219

Mon 27/1008:40SOU - BRU

2 stops10h 15mBritish Airways

Deal found 29/8£246

Tue 16/908:40SOU - BRU

2 stops9h 55mBritish Airways

Deal found 29/8£389

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Mon 13/10

20:30-14:25

2 stops16h 55m

Brussels Bruxelles-National

Thu 16/10

21:40-08:40

1 stop12h 00m

£127

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Thu 25/9

20:00-20:10

1 stop23h 10m

Brussels Bruxelles-National

Thu 2/10

21:40-08:40

1 stop12h 00m

£184

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Fri 26/9

20:00-09:15

1 stop12h 15m

Brussels Bruxelles-National

Mon 29/9

22:25-08:15

1 stop10h 50m

£201

SouthamptonBrussels

SOU - CRL

SOUCRL

Southampton Eastleigh

Thu 25/9

15:05-08:20

2 stops16h 15m

Charleroi Brussels

Thu 2/10

21:05-18:55

2 stops22h 50m

£204

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Fri 17/10

08:40-18:50

2 stops9h 10m

Brussels Bruxelles-National

Sun 19/10

20:35-08:10

2 stops12h 35m

£536

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Wed 15/10

20:00-09:40

1 stop12h 40m

£81

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Wed 15/10

09:10-09:45

2 stops23h 35m

£86

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Mon 27/10

09:30-18:15

1 stop7h 45m

£188

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Tue 16/9

20:00-09:40

1 stop12h 40m

£219

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Mon 27/10

08:40-19:55

2 stops10h 15m

£246

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 11 results

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 £166). 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 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

1,383 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

1,383 reviews

KLM

7.8

Good

1,383 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 £166). 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

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Top airline flying from Southampton to Belgium

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest£159	Average£247	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!

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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 £81

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 15/10. 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 29 August 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 29 August 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 29 August 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 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 29 August 2025.