United States to United Kingdom · 3,942 miles (6,344 km)

Chicago (ORD) to London (LHR) flights

3 airlines fly nonstop from Chicago (ORD) to London (LHR): American Airlines, British Airways and United Airlines. The two airports are 3,942 miles (6,344 km) apart. American Airlines and British Airways are in oneworld and United Airlines is in Star Alliance. There are also 66 ways to fly it with one stop, through Dublin, Shannon and Ottawa and more.

Airlines flying nonstop from ORD to LHR

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

Book ORD to LHR with points

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

ORD to LHR with one stop

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

  • Via Dublin (DUB)Aer Lingus the whole way
    American Airlines logo
    Aer Lingus logo
    United Airlines logo
    British Airways logo
    Aer Lingus logo
  • Via Shannon (SNN)United Airlines, then Aer Lingus
    United Airlines logo
    Aer Lingus logo
  • Via Ottawa (YOW)United Airlines, then Air Canada
    United Airlines logo
    Air Canada logo
  • Via Toronto (YYZ)Air Canada the whole way
    American Airlines logo
    Air Canada logo
    United Airlines logo
    Air Canada logo
    British Airways logo
    Virgin Atlantic logo
  • Via Montreal (YUL)Air Canada the whole way
    American Airlines logo
    Air Canada logo
    United Airlines logo
    Air Canada logo
    British Airways logo
  • Via Detroit (DTW)Delta Air Lines the whole way
    American Airlines logo
    Delta Air Lines logo
    United Airlines logo
    Delta Air Lines logo
  • Via Edinburgh (EDI)United Airlines, then British Airways
    United Airlines logo
    British Airways logo
  • Via Halifax (YHZ)United Airlines and American Airlines, then Air Canada
    United Airlines logo
    American Airlines logo
    Air Canada logo
  • Via Reykjavik (KEF)Icelandair the whole way
    Icelandair logo
    United Airlines logo
    British Airways logo
    Icelandair logo
  • Via Boston (BOS)American Airlines, JetBlue Airways and 1 more the whole way
    American Airlines logo
    JetBlue Airways logo
    United Airlines logo
    +1
    British Airways logo
    Delta Air Lines logo
    Virgin Atlantic logo
    +2
  • Via Pittsburgh (PIT)American Airlines and United Airlines, then British Airways
    American Airlines logo
    United Airlines logo
    British Airways logo
  • Via New York (EWR)United Airlines the whole way
    American Airlines logo
    United Airlines logo
    British Airways 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
    British Airways logo
    Delta Air Lines logo
    +2
  • Via Philadelphia (PHL)American Airlines the whole way
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
    American Airlines logo
    British Airways logo
  • Via Cincinnati (CVG)American Airlines and United Airlines, then British Airways
    American Airlines logo
    United Airlines logo
    British Airways logo
See all 66 in Routes

ORD to LHR: common questions

Which airlines fly nonstop from ORD to LHR?

American Airlines (oneworld), British Airways (oneworld) and United Airlines (Star Alliance) fly nonstop from Chicago (ORD) to London (LHR).

How far is Chicago from London by plane?

Chicago (ORD) and London (LHR) are 3,942 miles (6,344 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 LHR award flights?

22 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer 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 LHR 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 LHR with taxes and fees.

Where can I connect between Chicago and London?

The most direct connections are through Dublin (DUB), Shannon (SNN), Ottawa (YOW), Toronto (YYZ) and Montreal (YUL). On 41 of them the same airline flies both flights, for example Aer Lingus through Dublin.

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.