United States · 620 miles (998 km)

Baltimore (BWI) to Chicago (ORD) flights

3 airlines fly nonstop from Baltimore (BWI) to Chicago (ORD): American Airlines, Frontier Airlines and United Airlines. The two airports are 620 miles (998 km) apart. American Airlines is in oneworld and United Airlines is in Star Alliance. There are also 39 ways to fly it with one stop, through Pittsburgh, Cleveland and Columbus and more.

Airlines flying nonstop from BWI to ORD

Book BWI to ORD with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

BWI to ORD with one stop

39 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Pittsburgh (PIT)Southwest Airlines, then American Airlines and United Airlines
    Southwest Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Cleveland (CLE)Southwest Airlines, then American Airlines and United Airlines
    Southwest Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Columbus (CMH)Southwest Airlines, then American Airlines and United Airlines
    Southwest Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Detroit (DTW)Delta Air Lines the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    Frontier Airlines logo
    American Airlines logo
    Delta Air Lines logo
    United Airlines logo
  • Via Grand Rapids (GRR)Southwest Airlines, then American Airlines and United Airlines
    Southwest Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Indianapolis (IND)Southwest Airlines, then American Airlines and United Airlines
    Southwest Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Cincinnati (CVG)Southwest Airlines, then American Airlines and United Airlines
    Southwest Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Milwaukee (MKE)Southwest Airlines, then American Airlines and United Airlines
    Southwest Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Buffalo (BUF)Southwest Airlines, then American Airlines and United Airlines
    Southwest Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Richmond (RIC)Southwest Airlines, then American Airlines and United Airlines
    Southwest Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Philadelphia (PHL)Southwest Airlines, then American Airlines, United Airlines and 1 more
    Southwest Airlines logo
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
  • Via Louisville (SDF)Southwest Airlines, then American Airlines and United Airlines
    Southwest Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Rochester (ROC)Southwest Airlines, then American Airlines and United Airlines
    Southwest Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Norfolk (ORF)Southwest Airlines, then American Airlines and United Airlines
    Southwest Airlines logo
    American Airlines logo
    United Airlines logo
  • Via New York (EWR), then American Airlines and United Airlines
    American Airlines logo
    United Airlines logo
See all 39 in Routes

BWI to ORD: common questions

Which airlines fly nonstop from BWI to ORD?

American Airlines (oneworld), Frontier Airlines and United Airlines (Star Alliance) fly nonstop from Baltimore (BWI) to Chicago (ORD).

How far is Baltimore from Chicago by plane?

Baltimore (BWI) and Chicago (ORD) are 620 miles (998 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 ORD award flights?

22 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, Alaska Atmos Rewards, American AAdvantage, ANA Mileage Club, Avianca LifeMiles, British Airways Club, Cathay Pacific Asia Miles and 14 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does BWI to ORD 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 ORD with taxes and fees.

Where can I connect between Baltimore and Chicago?

The most direct connections are through Pittsburgh (PIT), Cleveland (CLE), Columbus (CMH), Detroit (DTW) and Grand Rapids (GRR). On 7 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.