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The San Francisco Airport Smoking Area is restricted to designated outdoor locations only. Smoking, including vaping and e-cigarettes, is not allowed inside any terminal at San Francisco International Airport (SFO). Travelers who need to smoke must exit the terminal to access a San Francisco Airport Smoking Area, typically located at least 20 feet away from doors and windows to comply with local laws. These areas are clearly marked and include ashtrays for convenience. Passengers with connecting flights should plan ahead, as re-entering the terminal after using an Airport Smoking Area requires going through TSA security again.
