Flight
There are three airports to D.C. The closest and most convenient airport is DCA but BWI and IAD are often cheaper.
Hotel
We are working with the hotel on room blocks at discounted rates and will share as soon as we confirm. There are also cheap deals in D.C. as well as MD, and VA accessible by D.C. metro train. Check Hotels Tonight, Booking.com or consider AirBnB.
Train
Everywhere we will be visiting in D.C. is accessible via D.C.'s reliable metro transit system.