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

Compare Cologne to Brussels International flight deals

Find the cheapest month or even day of the year to fly to Brussels International

Book the best Brussels International fare with no extra fees

Flight deals from Cologne to Brussels International

Looking for a cheap last-minute deal or the best return flight from Cologne to Brussels International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Cologne to Brussels International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Cologne to Brussels International flights are currently cheapest in August.

Cologne to Brussels International: Alternative routes

Compare routes from Cologne to Brussels below. You may find an airport to fly into that's cheaper, faster, or easier than Brussels International.

Cologne to Brussels: Flight information

The things to know before you go.
Cheapest flight found$927
Cheapest month to flyAugust

Finding cheap flights from Cologne to Brussels International: Frequently asked questions

The best price we found for a return flight from Cologne to Brussels International is $927. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Cologne to Brussels International. But we found flights with one or more stops from $927.
As of July 2025, there are no flights flying from Cologne to Brussels International.
The cheapest month to fly from Cologne to Brussels International is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Cologne Airport to Brussels International Airport on Friday, 22 August 2025.
No airlines currently offer direct flights between Cologne Airport and Brussels International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Brussels International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Brussels is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Lufthansa offers the cheapest flight tickets to Brussels International.

Flying from Cologne Bonn Airport (CGN) to Brussels Airport (BRU): what you need to know

  • Brussels's timezone is UTC+1, which is the same as Cologne.

  • Leave enough time to make your CGN to BRU flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months like July, you'll want to get to the airport earlier. Arrive two hours before domestic departures and four hours ahead of an international flight whenever you're flying during peak periods in general.

  • Consider adding a stopover when booking your ticket from Cologne Bonn Airport to Brussels Airport. Simply uncheck 'Direct flights only' to break up your journey, or enjoy a detour to a new and interesting place. Here's where you can stop between CGN and BRU:

    • Franz Josef Strauss Airport

    • London Heathrow Airport

    • Zurich Airport

How to find the cheapest flights from Cologne Bonn Airport (CGN) to Brussels Airport (BRU)

  • At the moment, $121 is the lowest price we've seen for a one-way Cologne Bonn Airport to Brussels Airport flight. The best price for a return ticket is $927. Remember that fares could change due to availability at the time of booking.

  • It's usually best to book ahead of time if you want to get cheap tickets from CGN to BRU. That's because flight prices are based on demand, which tends to rise closer to departure.

  • If you're flexible with your trip dates, try using the 'Whole month' tool. It'll find the lowest price across every month when searching for a flight from Cologne Bonn Airport to Brussels Airport.

  • You don't need to check back in every day to see if fares have gone down when you set up a Price Alert. We'll update you as soon as there's a new deal on cheap flights from CGN to BRU.

  • Lock in the right flight for you with the help of the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Cologne Bonn Airport to Brussels Airport, use the 'Sort by' tool. You can also filter results by departure and arrival times, airline, and journey duration.

Handy information about Cologne Bonn Airport (CGN)

  • Of all flights leaving Cologne Bonn Airport, 74.45% arrive on time at their destination.

  • Cologne Bonn Airport is about 14 kilometres from central Cologne. If you're catching a cab, ride-sharing or driving from the centre, it'll take 20 minutes or so to get there, depending on the traffic.

  • Expect a journey time of about 30 minutes on public transport.

  • Taking an early flight from Cologne Bonn Airport to Brussels Airport? Avoid the hassle of rushing to the terminal (and catch some extra z's) by picking one of these stays near CGN:

Arriving at Brussels Airport (BRU)

Getting from Brussels Airport (BRU) to central Brussels

  • Brussels Airport is approximately 14 kilometres from the centre of Brussels. The drive time takes about 20 minutes.

  • Travelling to the centre by public transport takes around 40 minutes.

When to fly to Brussels Airport (BRU)

  • July is the most popular month for flights from Cologne Bonn Airport to Brussels Airport. To avoid the crowds, visit Brussels in January.

  • Book your flight from Cologne Bonn Airport to Brussels Airport for August if you'd like to visit Brussels during its warmest month. Expect temperatures of between 12ºC (54ºF) and 27ºC (81ºF).

  • January sees average temperatures of between -2ºC (28ºF) and 8ºC (46ºF). Search for cheap tickets from CGN to BRU sometime around then if you want to travel in cooler conditions.

Explore more of Belgium

  • Brussels has plenty going for it, but there are so many other parts of Belgium you'll want to see. About 48 kilometres south of Brussels, a trip to Charleroi will keep you on the go. Start with leading sights like Parc Gobbe, Maison Dermine (art déco — 1921) and Parc Ligny.

  • If you're eager to discover another well-known destination in Belgium, consider Liege, roughly 88 kilometres east of Brussels. Gare de Liege-Guillemins, Curtius Museum and Montagne de Bueren are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.