> To initiate the process, you are required to go to the official website of Brussels Airlines.
> On the next move, from the main screen, you have to go to the My booking tab and open it.
> Then, in the available boxes, you have to provide your booking number, as well as your last name.
> After that, you need to press the show booking link to see the specifics of your upcoming flights.
> Then, from the list of flight bookings, you need to select the one for which you want to change the flight date.
> Afterward, alongside the flight you have chosen, click on the change button to alter the flight dates.
> In the end, after doing the necessary modifications to your flight booking dates and pay the additional fee.