$195 Cheap Flights from Southampton (SOU) to Brussels (BRU)

View $195 flight on Thu, Oct 30, 2025Opens in a new window

Popular airlines from Southampton (SOU) to Brussels Airport (BRU)

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Cheap Flights from Southampton to Brussels (SOU-BRU)

Prices were available within the past 7 days and start at $195 for one-way flights and $354 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Thu, Oct 30 - Sun, Nov 2
SOU
Southampton
BRU
Brussels
$354 Roundtrip, found 21 hours ago
$354
Roundtrip
found 21 hours ago
Select KLM flight, departing Thu, Oct 30 from Southampton to Brussels, returning Sun, Nov 2, priced at $354 found 21 hours ago
KLM
Thu, Oct 23 - Sat, Oct 25
SOU
Southampton
BRU
Brussels
$378 Roundtrip, found 4 days ago
$378
Roundtrip
found 4 days ago
Select KLM flight, departing Thu, Oct 23 from Southampton to Brussels, returning Sat, Oct 25, priced at $378 found 4 days ago
KLM
Sun, Nov 9 - Wed, Nov 12
SOU
Southampton
BRU
Brussels
$382 Roundtrip, found 2 days ago
$382
Roundtrip
found 2 days ago
Select KLM flight, departing Sun, Nov 9 from Southampton to Brussels, returning Wed, Nov 12, priced at $382 found 2 days ago
KLM
Sat, Nov 1 - Wed, Nov 5
SOU
Southampton
BRU
Brussels
$383 Roundtrip, found 21 hours ago
$383
Roundtrip
found 21 hours ago
Select KLM flight, departing Sat, Nov 1 from Southampton to Brussels, returning Wed, Nov 5, priced at $383 found 21 hours ago
KLM
Sat, Oct 25 - Mon, Oct 27
SOU
Southampton
BRU
Brussels
$401 Roundtrip, found 4 days ago
$401
Roundtrip
found 4 days ago
Select KLM flight, departing Sat, Oct 25 from Southampton to Brussels, returning Mon, Oct 27, priced at $401 found 4 days ago
KLM
Thu, Oct 23 - Sat, Oct 25
SOU
Southampton
BRU
Brussels
$402 Roundtrip, found 4 days ago
$402
Roundtrip
found 4 days ago
Select KLM flight, departing Thu, Oct 23 from Southampton to Brussels, returning Sat, Oct 25, priced at $402 found 4 days ago
Aer Lingus
Fri, Nov 14 - Fri, Nov 21
SOU
Southampton
BRU
Brussels
$422 Roundtrip, found 3 days ago
$422
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Fri, Nov 14 from Southampton to Brussels, returning Fri, Nov 21, priced at $422 found 3 days ago
Aer Lingus
Thu, Nov 6 - Mon, Nov 10
SOU
Southampton
BRU
Brussels
$425 Roundtrip, found 3 days ago
$425
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Thu, Nov 6 from Southampton to Brussels, returning Mon, Nov 10, priced at $425 found 3 days ago
Aer Lingus
Fri, Nov 14 - Fri, Nov 21
SOU
Southampton
BRU
Brussels
$425 Roundtrip, found 3 days ago
$425
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Fri, Nov 14 from Southampton to Brussels, returning Fri, Nov 21, priced at $425 found 3 days ago
British Airways
Thu, Feb 26 - Tue, Mar 3
SOU
Southampton
BRU
Brussels
$435 Roundtrip, found 1 day ago
$435
Roundtrip
found 1 day ago
Select British Airways flight, departing Thu, Feb 26 from Southampton to Brussels, returning Tue, Mar 3, priced at $435 found 1 day ago

Frequently asked questions

How much does a flight from Southampton Airport (SOU) to Brussels - National Airport (BRU) cost?
Snag a cheap one-way flight from $195 or cheap return flight from $354 from Southampton Airport (SOU) to Brussels - National Airport (BRU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Southampton Airport (SOU) to Brussels - National Airport (BRU)?
The cheapest month to fly from SOU to BRU is October, when demand is low. Off-peak months are typically when you'll find lower airfares between these airports.
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 Southampton Airport (SOU) to Brussels - National Airport (BRU)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SOU to BRU flight.
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.

Travel information

Travel information

Origin airport
Southampton
Destination airport
Brussels - National
Airlines serving
Aer Lingus, KLM
Roundtrip price
$354
Distance
254 mi

Book with confidence

Book with confidence

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 October. 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 $195 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.

 

Southampton to Brussels Flights

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*Available to One Key members.