BWI is not DC, I don't fly Tues-Tues, and 20 years ago I was paying as low as $150. Flights now are cheaper than for most of that time, but after you adjust fo

BWI is not DC, I don't fly Tues-Tues, and 20 years ago I was paying as low as $150. Flights now are cheaper than for most of that time, but after you adjust for inflation and paying for bags, they were definitely cheaper in the mid-late 00s.