United States · 864 miles (1,390 km)

Boston (BOS) to Chicago (ORD) flights

4 airlines fly nonstop from Boston (BOS) to Chicago (ORD): American Airlines, Delta Air Lines, JetBlue Airways and United Airlines. The two airports are 864 miles (1,390 km) apart. American Airlines is in oneworld, Delta Air Lines is in SkyTeam and United Airlines is in Star Alliance. There are also 52 ways to fly it with one stop, through Detroit, Buffalo and Rochester and more.

Airlines flying nonstop from BOS to ORD

  • American Airlines logo
    American Airlinesoneworld · bookable with 9 programsWho books it
  • Delta Air Lines logo
    Delta Air LinesSkyTeam · bookable with 8 programsWho books it
  • JetBlue Airways logo
    JetBlue AirwaysNot in an alliance · bookable with 2 programsWho books it
  • United Airlines logo
    United AirlinesStar Alliance · bookable with 13 programsWho books it

Book BOS to ORD with points

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

BOS to ORD with one stop

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

  • Via Detroit (DTW)Delta Air Lines the whole way
    JetBlue Airways logo
    Delta Air Lines logo
    American Airlines logo
    Delta Air Lines logo
    United Airlines logo
  • Via Buffalo (BUF)American Airlines the whole way
    JetBlue Airways logo
    Delta Air Lines logo
    American Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Rochester (ROC)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Syracuse (SYR)American Airlines the whole way
    American Airlines logo
    JetBlue Airways logo
    American Airlines logo
    United Airlines logo
  • Via South Bend (SBN)American Airlines the whole way
    Delta Air Lines logo
    American Airlines logo
    United Airlines logo
    American Airlines logo
  • Via Grand Rapids (GRR)Allegiant Air, then American Airlines and United Airlines
    Allegiant Air logo
    American Airlines logo
    United Airlines logo
  • Via Cleveland (CLE)JetBlue Airways and Delta Air Lines, then American Airlines and United Airlines
    JetBlue Airways logo
    Delta Air Lines logo
    American Airlines logo
    United Airlines logo
  • Via Toronto (YTZ)Porter Airlines and Air Canada the whole way
    Porter Airlines logo
    Air Canada logo
    Air Canada logo
    Porter Airlines logo
  • Via Toronto (YYZ)Air Canada the whole way
    Air Canada logo
    Porter Airlines logo
    American Airlines logo
    Air Canada logo
    United Airlines logo
  • Via Pittsburgh (PIT)JetBlue Airways and Delta Air Lines, then American Airlines and United Airlines
    JetBlue Airways logo
    Delta Air Lines logo
    American Airlines logo
    United Airlines logo
  • Via New York (LGA)American Airlines and Delta Air Lines the whole way
    American Airlines logo
    Delta Air Lines logo
    American Airlines logo
    Delta Air Lines logo
    United Airlines logo
  • Via New York (EWR)United Airlines the whole way
    United Airlines logo
    Delta Air Lines logo
    American Airlines logo
    United Airlines logo
  • Via New York (JFK)American Airlines, JetBlue Airways and 1 more the whole way
    American Airlines logo
    JetBlue Airways logo
    Delta Air Lines logo
    American Airlines logo
    JetBlue Airways logo
    Delta Air Lines logo
  • Via Milwaukee (MKE)American Airlines the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    JetBlue Airways logo
    +1
    American Airlines logo
    United Airlines logo
  • Via Middletown (MDT)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    United Airlines logo
See all 52 in Routes

BOS to ORD: common questions

Which airlines fly nonstop from BOS to ORD?

American Airlines (oneworld), Delta Air Lines (SkyTeam), JetBlue Airways and United Airlines (Star Alliance) fly nonstop from Boston (BOS) to Chicago (ORD).

How far is Boston from Chicago by plane?

Boston (BOS) and Chicago (ORD) are 864 miles (1,390 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book BOS to ORD award flights?

30 programs can book at least one of the nonstop airlines: JetBlue TrueBlue, Singapore Airlines KrisFlyer, Aeromexico Rewards, Air Canada Aeroplan, Air France-KLM Flying Blue, Air New Zealand Airpoints, Alaska Atmos Rewards, American AAdvantage and 22 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

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

Where can I connect between Boston and Chicago?

The most direct connections are through Detroit (DTW), Buffalo (BUF), Rochester (ROC), Syracuse (SYR) and South Bend (SBN). On 34 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.