As one of its daily deals, Best Buy offers the SanDisk 64GB Ultra Fit USB 3.0 Flash Drive in Black/Silver, model no. SDCZ43-064G-A46, for $14.99 with free shipping. Outside of the mention below, that's tied with our mention from a month ago, the lowest price we could find now by $6, and the best price we've seen for a SanDisk 64GB Ultra Fit flash drive. It features up to a 130MB/s transfer speed. Deal ends today.
A close price: Adorama has it for $15.49 with free shipping.