Brussels Airlines offers several ways to book a flight from Brussels to Düsseldorf at the best price:

Price calendar: to find a flight at the best price, simply search for your destination and choose the best-value offer from the monthly overview.

Best price alert: log in with your e-mail address or Travel ID to receive notifications and information about attractive flight offers.

Last-minute flight deals: find last minute flights at the best prices and discover the offer that's right for you over the next two weeks.

Booking with price guarantee: the price guarantee gives you up to 48 hours to finalize your travel plans and book your flight at the best price.

• Find out everything you need to know about booking with price guarantee

Student fares: students who can verify their student status can book a flight from Brussels to Düsseldorf at a reduced price.

• Find out everything you need to know about student fares

We offer an easy form for your online check-in. After you have received your booking confirmation, you can fill it out here.

On our flights within Europe, you can purchase a large selection of snacks, sandwiches and drinks on board. On longer trips to North America, Central or South Africa, you will enjoy a fully balanced meal on bord.

In general, you can bring hand bagage in the dimensions of 55cm x 40cm x 23cm and a maximal weight of 8kg. Flying with economy travel classes, even two pieces of hand bagage are allowed. You can find further information in our hand bagage rules here.

Free baggage allowance means the luggage that is already included in your ticket price so you don't have to pay more to bring it. The specifics, like size, weight, and quantity, are determined by your fare type, the flight route, and your frequent flyer status.

Our Premium Economy Class provides extra comfort, tailored for longer flights. Take advantage of features like a roomier seat with a bigger recline angle, making your flight more enjoyable.

In the event that your flight is cancelled, we will promptly reschedule all affected passengers. The revised flight information can be found under "My bookings". Our Brussels Chat Assistant Charlie is available 24/7 to assist you.

You can easily book an upgrade in advance online through “My Bookings”. You also have the option to place an upgrade bid or purchase an upgrade directly at the airport. Find more information about your options here.

Business Class upgrade costs vary depending on your route, booking class and flight duration. You can choose to either purchase an upgrade at a fixed price or submit an upgrade bid. More information is available here.

Yes, you can upgrade Brussels Airlines flights using miles you've earned through Miles & More. You can book upgrades online, at the check-in counter, or through the Miles & More Service Team.

Your original ticket's fare and baggage conditions remain unchanged. The upgrade applies only to your selected flight and is non-refundable. Special terms apply to upgrade bids. Find full details here.

You can purchase upgrades in advance up to 24 hours before departure. Upgrade bids can be submitted up to 50 hours before departure. For last-minute upgrades, ask our staff at check-in, the gate, or our onboard crew about availability. Find all the information here.