According to multiple sources, the only state flag with the Confederate battle flag is Mississippi. All other states have previously removed the flag.
Some other state flags contain Confederate symbols, but not the well-known red Confederate “battle flag” with a blue crisscross with stars.
http://www.feenixx.com/wip/wip-state-flags.php
http://www.mcclatchydc.com/2015/06/24/271055/confederate-flag-imagery-in-state.html
http://www.businessinsider.com/the-five-confederate-state-flags-2015-6