Hotel
There are 35 rooms blocked off at the Hampton Inn Manassas for both Friday, June 25th and Saturday, June 26th (option to select only Saturday, June 26th as well). It is close to the venue and breakfast is included.
Discount Code - GLW
Flight
There are other airports in the area, but Dulles is definitely the closest one to fly into. It is about half an hour away from the Hampton Inn Hotel. Reagan National Airport is also in the area, but is not quite as conveniently located.