Most of the time, you will be allowed to travel if you go to your local police or sheriff station, make a report, and bring a copy with you to the airport with you to show both airport and TSA check-in personnel. Possession of a police report will help prove your case why you do not have possession of valid identification. However, even if you don't have one, the Transportation Security Administration can verify your identity other ways besides a driver's license. If possible, try to obtain an old expired identification card, or some other type of identification card that has your picture on it and may be verified. Remember, government issued ID that is expired is not valid, but may help identify you in this unique situation.
Here are a few ideas to consider:
1. Print out your airline boarding passes from home or the hotel kiosk prior to arriving at the airport, in case you can't do it at the airport. While you wouldn't be able to use them ultimately, they may be somewhat helpful to prove your identify.
At the airport:
1. Tell the TSA screening agent that you do not have your ID because it was lost or stolen and provide them a copy of the police report (always keep a back-up copy in case one is lost or not given back to you). Typically, once this happens TSA personnel will alert other personnel of your "special issue" of being a security risk and assign personnel to address the issue. Obviously, expect additional security checks, searches, and scrutiny, to ensure the safety of others traveling. Remember, other than you, no one knows who you are so expect to be delayed while the TSA addresses this security issue.