United States Β· 921 miles (1,483 km)

Chicago (ORD) to Nantucket (ACK) flights

2 airlines fly nonstop from Chicago (ORD) to Nantucket (ACK): American Airlines and United Airlines. The two airports are 921 miles (1,483 km) apart. American Airlines is in oneworld and United Airlines is in Star Alliance. There are also 10 ways to fly it with one stop, through Martha's Vineyard, Westchester County and New York and more.

Airlines flying nonstop from ORD to ACK

  • American Airlines logo
    American Airlinesoneworld Β· bookable with 9 programsWho books it
  • United Airlines logo
    United AirlinesStar Alliance Β· bookable with 13 programsWho books it

Book ORD to ACK with points

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

ORD to ACK with one stop

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

  • Via Martha's Vineyard (MVY)American Airlines, then Cape Air
    American Airlines logo
    Cape Air logo
  • Via Westchester County (HPN)American Airlines, then Tradewind Aviation and JetBlue Airways
    American Airlines logo
    TJ
    JetBlue Airways logo
  • Via New York (LGA)American Airlines and Delta Air Lines the whole way
    American Airlines logo
    Delta Air Lines logo
    United Airlines logo
    American Airlines logo
    Delta Air Lines logo
    JetBlue Airways logo
  • Via New York (EWR)United Airlines the whole way
    American Airlines logo
    United Airlines logo
    United Airlines logo
  • Via New York (JFK)JetBlue Airways and Delta Air Lines the whole way
    American Airlines logo
    JetBlue Airways logo
    Delta Air Lines logo
    JetBlue Airways logo
    Delta Air Lines logo
  • Via Hyannis (HYA)American Airlines, then Cape Air
    American Airlines logo
    Cape Air logo
  • Via Boston (BOS)American Airlines and JetBlue Airways the whole way
    American Airlines logo
    JetBlue Airways logo
    United Airlines logo
    +1
    Cape Air logo
    JetBlue Airways logo
    American Airlines logo
  • Via Philadelphia (PHL)American Airlines the whole way
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
    American Airlines logo
  • Via Washington (DCA)American Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo
    JetBlue Airways logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo

ORD to ACK: common questions

Which airlines fly nonstop from ORD to ACK?

American Airlines (oneworld) and United Airlines (Star Alliance) fly nonstop from Chicago (ORD) to Nantucket (ACK).

How far is Chicago from Nantucket by plane?

Chicago (ORD) and Nantucket (ACK) are 921 miles (1,483 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book ORD to ACK 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 ORD to ACK cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for ORD to ACK with taxes and fees.

Where can I connect between Chicago and Nantucket?

The most direct connections are through Martha's Vineyard (MVY), Westchester County (HPN), New York (LGA), New York (EWR) and New York (JFK). On 7 of them the same airline flies both flights, for example American Airlines through New York.

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.