Baltimore (BWI) to Boston (BOS) flights
2 airlines fly nonstop from Baltimore (BWI) to Boston (BOS): Delta Air Lines and Southwest Airlines. The two airports are 368 miles (593 km) apart. Delta Air Lines is in SkyTeam. There are also 19 ways to fly it with one stop, through New York, Philadelphia and Islip and more.
Airlines flying nonstop from BWI to BOS
- Delta Air LinesSkyTeam · bookable with 8 programsWho books it
- Southwest AirlinesNot in an allianceWho books it
Book BWI to BOS with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Aeromexico RewardsBooks Delta Air Lines
- Air France-KLM Flying BlueBooks Delta Air Lines
- China Eastern Eastern MilesBooks Delta Air Lines
- Delta SkyMilesBooks Delta Air Lines
- Garuda Indonesia GarudaMilesBooks Delta Air Lines
- Korean Air SKYPASSBooks Delta Air Lines
- SAS EuroBonusBooks Delta Air Lines
- Virgin Atlantic Flying ClubBooks Delta Air Lines
BWI to BOS with one stop
19 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via New York (EWR), then United Airlines and Delta Air Lines
- Via Philadelphia (PHL)Southwest Airlines, then American Airlines, JetBlue Airways and 1 more
- Via Islip (ISP)Southwest Airlines, then Cape Air
- Via Richmond (RIC)Southwest Airlines, then JetBlue Airways and Delta Air Lines
- Via Rochester (ROC)Southwest Airlines, then American Airlines
- Via Norfolk (ORF)Southwest Airlines, then Delta Air Lines and JetBlue Airways
- Via Buffalo (BUF)Southwest Airlines, then JetBlue Airways, Delta Air Lines and 1 more
- Via Pittsburgh (PIT)Southwest Airlines, then JetBlue Airways and Delta Air Lines
- Via Raleigh/Durham (RDU)Southwest Airlines, then JetBlue Airways, Delta Air Lines and 1 more
- Via Cleveland (CLE)Southwest Airlines, then JetBlue Airways and Delta Air Lines
- Via Columbus (CMH)Southwest Airlines, then Delta Air Lines and American Airlines
- Via Wilmington (ILM)Avelo Airlines, then American Airlines, Delta Air Lines and 1 more
- Via Detroit (DTW)Delta Air Lines the whole way
- Via Charlotte (CLT)American Airlines the whole way
- Via Myrtle Beach (MYR)Southwest Airlines, then Delta Air Lines and American Airlines
BWI to BOS: common questions
Which airlines fly nonstop from BWI to BOS?
Delta Air Lines (SkyTeam) and Southwest Airlines fly nonstop from Baltimore (BWI) to Boston (BOS).
How far is Baltimore from Boston by plane?
Baltimore (BWI) and Boston (BOS) are 368 miles (593 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book BWI to BOS award flights?
8 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air France-KLM Flying Blue, China Eastern Eastern Miles, Delta SkyMiles, Garuda Indonesia GarudaMiles, Korean Air SKYPASS, SAS EuroBonus and Virgin Atlantic Flying Club. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does BWI to BOS cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for BWI to BOS with taxes and fees.
Where can I connect between Baltimore and Boston?
The most direct connections are through New York (EWR), Philadelphia (PHL), Islip (ISP), Richmond (RIC) and Rochester (ROC). On 2 of them the same airline flies both flights, for example Delta Air Lines through Detroit.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.