Free
$15 all day underground
I usually park at the Omni. The buildings are attached by a skybridge. If you grab lunch/dinner at the Owner's Box or Texas Spice (both of which have great food) they will validate your parking. It's a win win.
The convention center has two levels of parking. The entrance is located on Griffen St. This will cost $10 to $20.00. There is additional parking on both Griffen St. and Lamar St., but I am not die of the price of those lots.
Convention center parking is rarely free. Pay lots are scattered around from $3 to $20/Day. Just this past week convention center parking under the center was $10
Parking is free but there are lots to park in around the center that vary from $5-$20
It's free
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