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 23-24San 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.
LINE
March 30Long 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.
LINE
April 6-7Burbank, 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.
LINE
April 13Bakersfield, 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.
LINE
April 14Fresno, 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.