Fly into Baltimore Washington International Airport (BWI), the closest airport, located 10.9 mi (17.5 km) from the city centre. If you can't find a flight that works for your travel itinerary, you could book a flight to Baltimore, MD (MTN-Martin State), which is 12.3 mi (19.7 km) away.
Consider catching the metro at Woodberry Station or Cold Spring Lane Station and easily see more of the city.