July is peak summer travel from San Francisco International Airport (SFO) to Baltimore/Washington International Thurgood Marshall Airport (BWI), with increased demand for both leisure and business routes. Expect higher fares around early July holidays, early morning fog-related delays, and robust schedule options including select nonstop services and frequent one-stop connections via major hubs. Use flexible-date searches, midweek departures, and fare alerts to find the best SFO to BWI deals in July.
July arrivals at Baltimore/Washington International Thurgood Marshall Airport (BWI) coincide with peak summer travel and regional festivals. Expect warm, humid weather and increased ground-transport demand for trips into Baltimore and Washington, D.C. Travel times to downtown Baltimore average 20–25 minutes by car, while trips into Washington, D.C. can take 35–60 minutes depending on traffic and time of day.