Cheap Flights to Baltimore-Washington International Thurgood Marshall Airport
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or request an offerAbout BWI Thurgood Marshall Airport
BWI Thurgood Marshall Airport is located in Anne Arundel County, Maryland, about 9 to 10 miles south of downtown Baltimore and 30 to 32 miles northeast of Washington, D.C. Originally opened in 1950 as Friendship International Airport and renamed in 2005 to honor Supreme Court Justice Thurgood Marshall, the airport handled over 25 million passengers in 2025 and serves as a major focus city for Southwest Airlines.
Airport code
BWI (ICAO: KBWI)
Location
Anne Arundel County, Maryland, United States
Distance from Baltimore/DC
Approximately 9–10 miles / 30–32 miles
Airlines serving BWI
Southwest Airlines (focus city), American, Delta, United, JetBlue, Spirit, Frontier, British Airways
Popular Routes to and from BWI
Route Type
Popular Connections
International
Best Time to Book Cheap Flights to BWI
Booking 4 to 8 weeks ahead generally works well for most routes into BWI. Demand rises around major Washington, D.C. events and national holidays like the Fourth of July, so booking further ahead is recommended during those periods.
What to See Near Baltimore and Washington, D.C.
Baltimore’s Inner Harbor offers museums, aquariums, and waterfront dining just a short drive from the airport, while Washington, D.C. provides access to the National Mall, Smithsonian museums, and the U.S. Capitol. The historic city of Annapolis, home to the U.S. Naval Academy, is also within easy reach of BWI.Things to Know When Flying Into BWI
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FAQs —Flights to BWI Thurgood Marshall Airport
BWI is a major focus city for Southwest Airlines, accounting for more than 70% of the airport's passenger traffic, and is also served by American, Delta, United, JetBlue, Spirit, Frontier, British Airways, and other carriers.
BWI is located about 9 to 10 miles south of downtown Baltimore and about 30 to 32 miles northeast of Washington, D.C.
Yes, along with Ronald Reagan Washington National Airport and Washington Dulles International Airport, BWI is one of three major airports serving the Baltimore-Washington metropolitan area, and it is typically the busiest of the three.
Yes, BWI offers international routes including scheduled service to Toronto and London, along with seasonal flights to destinations like Frankfurt and Aruba.
Booking 4 to 8 weeks ahead generally works well for most routes into BWI, with earlier booking recommended around major Washington, D.C. events and the Fourth of July.
The airport is named after Thurgood Marshall, a Baltimore native and the first African American justice on the U.S. Supreme Court, in recognition of his legacy.
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