$32 Cheap Flights from Cologne (CGN) to Brussels (BRU)

View $32 flight on Sun, Aug 10, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Cologne to Brussels (CGN-BRU)

Prices were available within the past 7 days and start at $32 for one-way flights and $71 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Eurostar
Wed, Jun 11 - Wed, Jun 18
QKL
Cologne
ZYR
Brussels
$71 Roundtrip, found 3 days ago
$71
Roundtrip
found 3 days ago
Select Eurostar flight, departing Wed, Jun 11 from Cologne to Brussels, returning Wed, Jun 18, priced at $71 found 3 days ago
Eurostar
Wed, Jun 11 - Tue, Jun 17
QKL
Cologne
ZYR
Brussels
$82 Roundtrip, found 3 days ago
$82
Roundtrip
found 3 days ago
Select Eurostar flight, departing Wed, Jun 11 from Cologne to Brussels, returning Tue, Jun 17, priced at $82 found 3 days ago
Eurostar
Thu, Jun 12 - Tue, Jun 17
QKL
Cologne
ZYR
Brussels
$94 Roundtrip, found 3 days ago
$94
Roundtrip
found 3 days ago
Select Eurostar flight, departing Thu, Jun 12 from Cologne to Brussels, returning Tue, Jun 17, priced at $94 found 3 days ago
Eurostar
Wed, Jun 11 - Thu, Jun 12
QKL
Cologne
ZYR
Brussels
$105 Roundtrip, found 3 days ago
$105
Roundtrip
found 3 days ago
Select Eurostar flight, departing Wed, Jun 11 from Cologne to Brussels, returning Thu, Jun 12, priced at $105 found 3 days ago
Eurostar
Wed, Jun 11 - Sun, Jun 15
QKL
Cologne
ZYR
Brussels
$109 Roundtrip, found 3 days ago
$109
Roundtrip
found 3 days ago
Select Eurostar flight, departing Wed, Jun 11 from Cologne to Brussels, returning Sun, Jun 15, priced at $109 found 3 days ago
Eurostar
Sat, Jun 14 - Tue, Jun 17
QKL
Cologne
ZYR
Brussels
$116 Roundtrip, found 3 days ago
$116
Roundtrip
found 3 days ago
Select Eurostar flight, departing Sat, Jun 14 from Cologne to Brussels, returning Tue, Jun 17, priced at $116 found 3 days ago
Lufthansa
Fri, Jun 13 - Tue, Jun 17
CGN
Cologne
BRU
Brussels
$292 Roundtrip, found 6 days ago
$292
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Fri, Jun 13 from Cologne to Brussels, returning Tue, Jun 17, priced at $292 found 6 days ago
British Airways
Fri, Jun 13 - Tue, Jun 17
CGN
Cologne
BRU
Brussels
$300 Roundtrip, found 6 days ago
$300
Roundtrip
found 6 days ago
Select British Airways flight, departing Fri, Jun 13 from Cologne to Brussels, returning Tue, Jun 17, priced at $300 found 6 days ago
Austrian Airlines
Fri, Jun 13 - Tue, Jun 17
CGN
Cologne
BRU
Brussels
$357 Roundtrip, found 6 days ago
$357
Roundtrip
found 6 days ago
Select Austrian Airlines flight, departing Fri, Jun 13 from Cologne to Brussels, returning Tue, Jun 17, priced at $357 found 6 days ago
Swiss International Air Lines
Thu, Jun 5 - Thu, Jun 12
CGN
Cologne
BRU
Brussels
$480 Roundtrip, found 2 days ago
$480
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Thu, Jun 5 from Cologne to Brussels, returning Thu, Jun 12, priced at $480 found 2 days ago
Flights from Cologne (QKL) to Brussels (ZYR)
Origin airport
Cologne Central Train Station
Destination airport
Brussels Midi Train Station
Roundtrip price
$71
Distance
114 mi

Cologne to Brussels Flights

The cheapest times to fly from Cologne 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 Cologne to Brussels are during the month of June. You can find some of the cheapest flights from Cologne to Brussels with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Cologne to Brussels

Sunday is one of the best days to book for cheap flights from Cologne 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 Cologne 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 Cologne to Brussels in 2025. You can also book with separate airlines for your outbound and return journeys, from $32 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 Cologne 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 Cologne 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 Cologne - Bonn Airport (CGN) to Brussels - National Airport (BRU) cost?
Discover the latest flight deals from CGN 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 CGN to BRU?
The cheapest flights from CGN 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.
What is the cheapest airline that flies from CGN to BRU?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from CGN to BRU. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Cologne - Bonn Airport (CGN) to Brussels - National Airport (BRU)?
You’ll have to hop on a flight with a layover if you’re traveling from Cologne - Bonn Airport (CGN) to Brussels - National Airport (BRU). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from CGN to BRU?
You’ll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cologne - Bonn Airport (CGN) to Brussels - National Airport (BRU)?
Opt for a flight from Cologne - Bonn Airport (CGN) to Brussels - National Airport (BRU) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this are on average 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 Cologne - Bonn Airport (CGN) to Brussels - National Airport (BRU) last-minute?
Last-minute fares from CGN to BRU are typically more expensive. To secure the lowest prices, start searching for flights ahead of time. That being said, if you’re flexible with your travel plans, you may land a cheap ticket just before your departure.
Is it cheaper to book a CGN to BRU flight and hotel package?
You’ll generally save money by securing a CGN to BRU flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s simple to manage it all in one place. Once you’ve chosen your ideal flights and accommodations, you can add extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Cologne - Bonn Airport (CGN) to Brussels - National Airport (BRU)?
It’s generally possible to reschedule or cancel your CGN to BRU flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are possible and if any costs are involved. You’ll also find more details on our Customer Service portal.

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*Available to One Key members.