The incident happened just before 4:30 p.m. on Sunday in the 2200 block of South Woodstock.
Police say the suspect was caught on surveillance video breaking a side window and entering the King of Wings store.
Once inside, they say, he attempted several times to break open a cash register but was unsuccessful.
He then fled the store back through the window with the cash register containing $600.
The suspect is described as a white male, 30-40 years-of-age with blonde or light brown hair. He was wearing a dark colored t-shirt, white and blue shorts and carryihg a red bag.
Anyone with information is asked to contact Philadelphia Police at 215-686-TIPS (8477), text a tip to PPD TIP (773847) or through PhillyPolice.com.