there are 8 B17's still flying, and one, named for the famous Memphis Belle (which is currently getting restored) is in San Diego for the week

image from http://www.libertyfoundation.org/index.html
story with details is at http://www.utsandiego.com/news/2013/mar/19/B-17-bomber-on-display-in-El-Cajon/

March 23-24	San Diego, CA Gillespie Field Airport (KSEE) Main Terminal 1960 Joe-Crosson Drive El Cajon, CA 92020 view map	Call 918-340-0243 to schedule your flight. B-17 available.
March 30	Long Beach, CA Daugherty Field Airport (KLGB) Signature Flight Support FBO 3333 East Spring Street Long Beach, CA 90806 view map	Call 918-340-0243 to schedule your flight. B-17 available.
April 6-7	Burbank, CA Bob Hope Burbank Airport (KBUR) Atlantic Aviation FBO 10750 Sherman Way Burbank, CA 91505 view map	Call 918-340-0243 to schedule your flight. B-17 available.
April 13	Bakersfield, CA Bakersfield Meadows Airport (KBFL) Epic Jet Center FBO 1105 Douglas Street Bakersfield, CA 93308 view map	Call 918-340-0243 to schedule your flight. B-17 available.
April 14	Fresno, CA Fresno-Yosemite International Airport (KFAT) Corporate Aircraft FBO 4885 East Shields Fresno, CA 93726 view map	Call 918-340-0243 to schedule your flight. B-17 available.