Official Airport Designator: DCA
Number of Airline Gates: 44
Airlines Serving Reagan National:13 (as of 12/06)
Destinations:Nonstop service to 74 destinations (as of 12/06)
The airport is a stop on the Yellow and Blue lines of the Metro, and can be most easily be reached from Rockville by transferring to the Yellow line at Gallery Place from any of the Red line metro stations in Rockville. You can also reach it with directions found here, or use any of these transportation options, including SuperShuttle.
Official Airport Designator: IAD
Number of Airline Gates:128
Airlines Serving Dulles: 10 Domestic and 21 International (as of 12/06)
Destinations: Service to 120 destinations (39 international) as of 12/06
There is no direct public transportation to BWI from Rockville. You can take one of the Rockville metro stations to Union Station, and then a MARC train to BWI, or take the Metro to the Greenbelt station and then take use Express Metro bus to BWI. SuperShuttle also provides service to BWI from Rockville and other area locations.
Reagan National Airport
Dulles International Airport
Baltimore-Washington International Airport