Booking your own airfare? The code for Baltimore/Washington International Thurgood Marshall Airport is BWI. BWI provides non-stop service to many airports, provided by most major air carriers, and routinely attracts passengers flying from across the country and internationally.
BWI offers several ground transportation options between the airport and downtown Baltimore, including rental cars, taxi, shuttle, rail, and bus. All transportation options are accessible outside baggage claim. Visit the BWI Ground Transportation page for more information on each option. The Renaissance Hotel does not provide shuttle service.
Enterprise Car Rental is the Official Rental Car of USIndoor. Travelers wishing to take advantage of USIndoor's member rates may make Online Reservations using Business Rental ID L211668 and PIN USI.