Baltimore/Washington International Thurgood Marshall Airport is one of the busiest airports in the Mid-Atlantic region, serving millions of passengers each year. Situated about 10 miles south of downtown Baltimore and roughly 30 miles from Washington, D.C., BWI is a hub for both business and leisure travelers. Among the many airlines operating here, Spirit Airlines BWI Terminal stands out as an ultra-low-cost carrier that offers competitive fares and a no-frills travel experience.
Spirit Airlines operates out of Terminal 1 at BWI. The airport itself has a single main terminal building divided into several concourses (A through E), all connected airside so passengers can move between them after clearing security. Terminal 1 is primarily used for domestic flights by low-cost and mid-size carriers, making it a straightforward starting point for Spirit travelers.
Spirit encourages passengers to check in online or via the mobile app starting 24 hours before departure. This is the most efficient method, allowing you to skip the check-in counter unless you have luggage to drop off. Online check-in also helps you secure your boarding position and review any additional purchases, such as carry-on bags or seat assignments.
Once you’ve checked in and dropped off any baggage, proceed to the security checkpoint serving Concourses D and E. TSA security at BWI typically opens around 3:45 AM daily to accommodate early-morning departures.
Once through security, you’ll enter Terminal 1, Spirit’s primary operating area at BWI. While Spirit does not have its own lounges, the concourse provides essential amenities for all passengers:
Spirit’s boarding process at BWI is efficient but strict. Boarding generally begins 30–40 minutes before departure, starting with: