Baltimore/Washington Airport (BWI) terminals map

The main terminal at BWI acts as the central access point for all concourses. It contains airline check-in counters, baggage claim, TSA security checkpoints, airport lounges, shops, dining areas, and public transportation connections. Once passengers clear security, they can walk to any of the five concourses through connected corridors.

These two concourses are primarily used by Southwest Airlines, which operates the majority of its domestic flights from BWI. Concourse A includes Gates A1–A11, while Concourse B spans Gates B2–B15. Both concourses are modern, spacious, and filled with amenities like fast-food outlets, coffee shops, and charging stations. Since Southwest is the dominant carrier here, this area is often the busiest and most active part of the airport.

serves a mix of domestic airlines, including Alaska Airlines and Delta Air Lines. Gates here range from C1 to C14. The concourse offers essential travel services, such as restaurants, restrooms, seating areas, and newsstands. It connects directly to Concourses A and B, making it easy for travelers to move between different sections of the airport.

is home to airlines like American Airlines, Sun Country, and Frontier. It includes Gates D1 through D29 and features updated interiors, dining areas, and retail shops. The concourse is connected to the rest of the terminal via secure corridors and provides access to a range of domestic routes across the country.

This is BWI’s international concourse, designed for flights to and from destinations outside the United States. Concourse E includes Gates E1 through E8 and has facilities for passport control, customs, and international baggage claim. Airlines such as British Airways and Icelandair operate here. The space is designed to handle international traffic efficiently, with duty-free stores and comfortable waiting areas.

BWI is a well-organized airport that simplifies travel with its single-terminal layout and five clearly marked concourses. Whether you’re catching a domestic flight with Southwest or flying internationally, the airport offers a smooth, convenient experience with modern facilities and plenty of traveler-friendly services.