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 Airlinesoneworld · bookable with 9 programsWho books it

- British Airwaysoneworld · bookable with 9 programsWho books it

- 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.
- Alaska Atmos RewardsBooks American Airlines, British Airways
- American AAdvantageBooks American Airlines, British Airways
- British Airways ClubBooks American Airlines, British Airways
- Cathay Pacific Asia MilesBooks American Airlines, British Airways
- Finnair PlusBooks American Airlines, British Airways
- Iberia ClubBooks American Airlines, British Airways
- JAL Mileage BankBooks American Airlines, British Airways
- Qantas Frequent FlyerBooks American Airlines, British Airways
- Qatar Airways Privilege ClubBooks American Airlines, British Airways
- Air Canada AeroplanBooks United Airlines
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
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





- Via Shannon (SNN)United Airlines, then Aer Lingus


- Via Ottawa (YOW)United Airlines, then Air Canada


- Via Toronto (YYZ)Air Canada the whole way






- Via Montreal (YUL)Air Canada the whole way





- Via Detroit (DTW)Delta Air Lines the whole way




- Via Edinburgh (EDI)United Airlines, then British Airways


- Via Halifax (YHZ)United Airlines and American Airlines, then Air Canada



- Via Reykjavik (KEF)Icelandair the whole way




- Via Boston (BOS)American Airlines, JetBlue Airways and 1 more the whole way

+1

+2
- Via Pittsburgh (PIT)American Airlines and United Airlines, then British Airways



- Via New York (EWR)United Airlines the whole way




- Via New York (JFK)American Airlines, JetBlue Airways and 1 more the whole way




+2
- Via Philadelphia (PHL)American Airlines the whole way





- Via Cincinnati (CVG)American Airlines and United Airlines, then British Airways



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.