United States · 324 miles (521 km)

Chicago (ORD) to Lexington (LEX) flights

2 airlines fly nonstop from Chicago (ORD) to Lexington (LEX): American Airlines and United Airlines. The two airports are 324 miles (521 km) apart. American Airlines is in oneworld and United Airlines is in Star Alliance. There are also 6 ways to fly it with one stop, through Detroit, Charlotte and Atlanta and more.

Airlines flying nonstop from ORD to LEX

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

Book ORD to LEX with points

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

ORD to LEX with one stop

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

  • Via Detroit (DTW)Delta Air Lines the whole way
    American Airlines logo
    Delta Air Lines logo
    United Airlines logo
    Delta Air Lines logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo
  • Via Atlanta (ATL)Delta Air Lines the whole way
    American Airlines logo
    Delta Air Lines logo
    United Airlines logo
    +1
    Delta Air Lines logo
  • Via Minneapolis (MSP)Delta Air Lines the whole way
    American Airlines logo
    Delta Air Lines logo
    United Airlines logo
    +1
    Delta Air Lines logo
  • Via Washington (DCA)American Airlines and United Airlines, then Delta Air Lines
    American Airlines logo
    United Airlines logo
    Delta Air Lines logo
  • Via Philadelphia (PHL)American Airlines the whole way
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
    American Airlines logo

ORD to LEX: common questions

Which airlines fly nonstop from ORD to LEX?

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

How far is Chicago from Lexington by plane?

Chicago (ORD) and Lexington (LEX) are 324 miles (521 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 LEX 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 LEX 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 LEX with taxes and fees.

Where can I connect between Chicago and Lexington?

The most direct connections are through Detroit (DTW), Charlotte (CLT), Atlanta (ATL), Minneapolis (MSP) and Washington (DCA). On 5 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.