Taxis from the Dubai airport to the Dubai city center are offered by the government’s Dubai Transport airport taxi service. The taxis are all uniform beige colored cars with meters that calculate cost by distance.
Taxis from Dubai airport to the Dubai city center charge an up-front pick-up charge of 20dhs. Taxi drivers can take you to anywhere in the Deira or Bur Dubai city centers.
There are also a lot of private taxis that operate near Dubai airport. If you take a private taxi from Dubai airport to the Dubai city center, make sure to agree on a price up front.
NB: Many taxi drivers in Dubai are new arrivals to the UAE. Make sure you leave yourself plenty of time to get from the airport to your final destination, as taxi drivers often get lost or need to call dispach for directions.