After making the flight reservation with Flydubai Airlines, if you want more luggage allowance, extra comfort, earning miles, etc, then you can make Flydubai business class upgrade; while making the upgrade, you will make your travel more convenient. There is an online process to upgrade the flight, which is mentioned below.

Search for the official website of Flydubai.
Open the manage booking section and provide your last name and the PNR number.
Then, choose the upgrade option and select the new travel class.
After that, save the changes, and if there are any charges, pay them.

Can I request a seat upgrade at the airport counter of Flydubai?

Yes, you can request a seat upgrade from the airport counter of Flydubai Airlines. While reaching the airport, you will be able to learn complete details about the upgrade policies, charges, seat availability, etc. You must go to the counter and provide all your travel information to the executives. Then, the representative will upgrade your seat.

Is it cheaper to upgrade to business class on the day of the flight?

No, it is not cheaper to upgrade to business class on the day. No matter whether you are upgrading the flight or making any other modification, last-minute changes are always costly. But still, sometimes there are certain situations in which passengers cancel the flight at the last moment, so to fill those seats, the airlines provide the flight tickets cheaper at the last moment.