Southwest® flights from Boston to Baltimore/Washington from $59

Flying into Baltimore for Access to Washington, D.C.

Flying into BWI can be a smart alternative to direct flights from Boston to Washington D.C.. From BWI, it's an easy 30- to 45-minute train ride to downtown Washington, and the Baltimore airport generally has a calmer vibe than either D.C. airport. See all of our flights to Baltimore to learn more about your options.

How to Find Cheap Flights from Boston (BOS) to Baltimore (BWI)

Short-haul routes often vary in price based on demand and timing, so cheap flights from Boston to Baltimore can be easier to find than you expect. You just need to know where to look:

• Use the Low Fare Calendar: For travelers with flexibles plans, the Southwest Low Fare Calendar helps you pinpoint the best dates for your budget.
• Book early: Try to book your flights as early as you can, especially during peak travel periods, and avoid major holiday weekends if possible.
• Travel midweek: Midweek departures, especially Tuesday and Wednesday flights, often offer better pricing than weekend flights.
• Stay in the know: Subscribe to our email newsletter for alerts on upcoming promos and more.

What’s the Best Time to Travel from Boston to Baltimore?

Ultimately, this route is more about your schedule and preferences than major climate differences. Baltimore is slightly hotter and more humid than Boston, but they sit in the same temperate climate belt.

Thus, the best time to visit Baltimore is often during the spring and fall when temperatures are mild and comfortable. Keep in mind that spring demand can increase thanks to the beautiful National Cherry Blossom Festival in nearby Washington, D.C. Summer is a popular time for warmer weather and outdoor events, while winter is quieter with fewer crowds—though you'll want to watch for potential winter weather disruptions.

What to Do in Baltimore After You Land

• Catch a game: Head to Oriole Park at Camden Yards for some classic baseball action, or catch a football game at M&T Bank Stadium.
• Explore the campuses: Visit nearby historic university campuses like Johns Hopkins or Loyola University Maryland.
• Inner Harbor: Enjoy waterfront dining, historic ships, and the world-class National Aquarium.
• Walk through history: Stroll through historic neighborhoods like Fells Point or Mount Vernon to see charming cobblestone streets and stunning 19th-century architecture.