The Short Answer
For most visitors the best option is the At the Top ticket with private hotel transfer, since it's the simplest way to the observation deck without worrying about getting there, and the transfer removes the one real logistics headache (Downtown Dubai traffic and parking). Six real options are below, one for each kind of visit — every one is a live listing you can message about before you pay: WhatsApp +91 84495 38716 or email, and a person answers.

Burj Khalifa At the Top Ticket + Private Hotel Transfer
The observation deck ticket plus a private transfer, no logistics to worry about.
From $172
4 hours
