$194 Cheap Flights from Southampton (SOU) to Brussels (BRU)

View $194 flight on Thu, Jul 10, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Southampton to Brussels (SOU-BRU)

Prices were available within the past 7 days and start at $194 for one-way flights and $381 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Sat, Jun 14 - Fri, Jun 27
SOU
Southampton
ZYR
Brussels
$381 Roundtrip, found 5 days ago
$381
Roundtrip
found 5 days ago
Select KLM flight, departing Sat, Jun 14 from Southampton to Brussels, returning Fri, Jun 27, priced at $381 found 5 days ago
KLM
Wed, Jun 18 - Fri, Jun 27
SOU
Southampton
ZYR
Brussels
$387 Roundtrip, found 5 days ago
$387
Roundtrip
found 5 days ago
Select KLM flight, departing Wed, Jun 18 from Southampton to Brussels, returning Fri, Jun 27, priced at $387 found 5 days ago
KLM
Sat, Jul 19 - Thu, Jul 24
SOU
Southampton
ZYR
Brussels
$387 Roundtrip, found 5 hours ago
$387
Roundtrip
found 5 hours ago
Select KLM flight, departing Sat, Jul 19 from Southampton to Brussels, returning Thu, Jul 24, priced at $387 found 5 hours ago
KLM
Sat, May 24 - Fri, Jun 6
SOU
Southampton
BRU
Brussels
$395 Roundtrip, found 5 days ago
$395
Roundtrip
found 5 days ago
Select KLM flight, departing Sat, May 24 from Southampton to Brussels, returning Fri, Jun 6, priced at $395 found 5 days ago
KLM
Thu, Jun 19 - Fri, Jul 4
SOU
Southampton
ZYR
Brussels
$403 Roundtrip, found 5 days ago
$403
Roundtrip
found 5 days ago
Select KLM flight, departing Thu, Jun 19 from Southampton to Brussels, returning Fri, Jul 4, priced at $403 found 5 days ago
KLM
Sat, Jul 19 - Thu, Jul 24
SOU
Southampton
ZYR
Brussels
$403 Roundtrip, found 5 hours ago
$403
Roundtrip
found 5 hours ago
Select KLM flight, departing Sat, Jul 19 from Southampton to Brussels, returning Thu, Jul 24, priced at $403 found 5 hours ago
KLM
Sat, Jul 19 - Thu, Jul 24
SOU
Southampton
BRU
Brussels
$406 Roundtrip, found 5 hours ago
$406
Roundtrip
found 5 hours ago
Select KLM flight, departing Sat, Jul 19 from Southampton to Brussels, returning Thu, Jul 24, priced at $406 found 5 hours ago
KLM
Sat, May 24 - Sat, Jun 7
SOU
Southampton
BRU
Brussels
$411 Roundtrip, found 5 days ago
$411
Roundtrip
found 5 days ago
Select KLM flight, departing Sat, May 24 from Southampton to Brussels, returning Sat, Jun 7, priced at $411 found 5 days ago
KLM
Fri, Jun 13 - Fri, Jun 27
SOU
Southampton
ZYR
Brussels
$414 Roundtrip, found 5 days ago
$414
Roundtrip
found 5 days ago
Select KLM flight, departing Fri, Jun 13 from Southampton to Brussels, returning Fri, Jun 27, priced at $414 found 5 days ago
Aer Lingus
Fri, Aug 29 - Tue, Sep 2
SOU
Southampton
BRU
Brussels
$464 Roundtrip, found 1 day ago
$464
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Fri, Aug 29 from Southampton to Brussels, returning Tue, Sep 2, priced at $464 found 1 day ago
Flights from Southampton (SOU) to Brussels (ZYR)
Origin airport
Southampton
Destination airport
Brussels Midi Train Station
Airlines serving
Aer Lingus, KLM
Roundtrip price
$380
Distance
248 mi

Southampton to Brussels Flights

The cheapest times to fly from Southampton to Brussels

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Southampton to Brussels are during the month of June. You can find some of the cheapest flights from Southampton to Brussels with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Southampton to Brussels

Sunday is one of the best days to book for cheap flights from Southampton to Brussels: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Southampton to Brussels

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Southampton to Brussels in 2025. You can also book with separate airlines for your outbound and return journeys, from $194 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Southampton to Brussels flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Southampton to Brussels airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Southampton Airport (SOU) to Brussels - National Airport (BRU) cost?
Discover the latest flight deals from SOU to BRU by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SOU to BRU?
The cheapest flights from SOU to BRU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Southampton Airport (SOU) to Brussels - National Airport (BRU)?
You can’t catch a direct flight to Brussels - National Airport (BRU) from Southampton (SOU). However, you can easily journey to Brussels without any layovers by leaving from Heathrow Airport (LHR).
What is the cheapest airline that flies from SOU to BRU?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SOU to BRU. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Southampton Airport (SOU) to Brussels - National Airport (BRU)?
Direct flights from Southampton Airport (SOU) to Brussels - National Airport (BRU) aren’t available daily, so you’ll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and choose either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from SOU to BRU?
Typically you’ll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can vary based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Southampton Airport (SOU) to Brussels - National Airport (BRU)?
To avoid possible delays on the Southampton Airport (SOU) to Brussels - National Airport (BRU) route, aim to fly before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Southampton Airport (SOU) to Brussels - National Airport (BRU) last-minute?
Last-minute fares from SOU to BRU are typically more expensive. To lock in the cheapest rates, start looking for flights as soon as possible. That said, if your travel plans are flexible, you may score a cheap ticket just before your departure.
Is it cheaper to book a SOU to BRU flight and hotel package?
Booking a SOU to BRU flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our extensive range of stays and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Southampton Airport (SOU) to Brussels - National Airport (BRU)?
In most cases, you’re able to reschedule or cancel your SOU to BRU flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline’s fees and policies on flight changes, or if you need further details, go to our Customer Service portal.

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*Available to One Key members.