Southwest® flights from St. Louis to Baltimore/Washington from $143

From the Midwest to the Mid-Atlantic, a flight from St. Louis to Baltimore gives you a perfect gateway to the whole East Coast, with easy access to Washington, D.C. by train or highway. Then again, when you see Baltimore’s historic waterfront neighborhoods (and try the seafood), you might prefer to stay right there in Charm City.

St. Louis (STL) to Baltimore (BWI) flight duration, distance, and route details

Your STL to BWI flight covers the distance in just long enough to watch a movie. Here's a quick look at what to expect on a flight from St. Louis to Baltimore/Washington International:

• Average flight time: Slightly under 2 hours
• Miles traveled (approximate): 750
• Time zone change: Central Time to Eastern Time (+1 hour)

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Getting from BWI to Baltimore and nearby areas

Baltimore/Washington International Thurgood Marshall Airport sits about 10 miles from downtown Baltimore. Here's how to get where you're going once your flight from STL to BWI lands:

• MARC Train and Amtrak: Both services run directly from BWI's rail station to Baltimore's Penn Station, D.C., and beyond. Depending on your line and destination, these trains typically take anywhere from 20 to 45 minutes.
• Light Rail: The MTA Light Rail connects BWI to downtown Baltimore in roughly 30 minutes—a budget-friendly option that drops you close to the Inner Harbor.
• Rideshares and taxis: Rideshare pickups and taxis are available outside the terminal. Depending on traffic, you're looking at about 15–25 minutes to reach central Baltimore by car.
• Airport shuttles: Some hotels offer complimentary shuttle service, so it's worth checking with your accommodation before you land.
• Rental cars: Want to explore at your own pace? Book a rental car before your trip, grab the BWI courtesy shuttle to the rental lot when you land, then hit the road.

Explore multiple East Coast cities from Baltimore

Flying into Baltimore makes it easy to turn one trip into several. Washington, D.C. is under an hour away by train, while Philadelphia and even New York City are within easy reach along the Northeast Corridor. Arrive in Baltimore as your home base, take in the waterfront and local history, then continue your journey by rail or catch a quick Southwest flight to your next destination. See more options on our flights from Baltimore page.