flight_takeoff ORD → LHR

Cheap Flights from Chicago to London

Compare fares from Chicago (ORD) to London (LHR) across hundreds of airlines. The route covers about 3,942 miles with a typical nonstop time of ~8h 25m.

straighten

Distance

3,942 mi

6,344 km

schedule

Est. flight time

8h 25m

nonstop

flight

Nonstop service

Available

8 carriers

language

Time difference

6 hours ahead

London

Flying from Chicago to London

The journey from Chicago (ORD) to London (LHR) spans roughly 3,942 miles (6,344 km), a nonstop flight of about 8h 25m. On arrival, London is 6 hours ahead Chicago. Lets Fly Travel compares live fares across hundreds of airlines so you can find the best deal — and every booking is reviewed by a real travel agent.

Airlines on this route

Carriers that have operated nonstop service between ORD and LHR include:

flightAmerican Airlines flightBritish Airways flightDelta Air Lines flightFinnair flightIberia Airlines flightLufthansa Cargo flightUnited Airlines flightVirgin Atlantic Airways

Airline availability changes over time — search your dates for current operators and fares.

Chicago to London — FAQs

How long is the flight from Chicago to London? expand_more
A nonstop flight from Chicago (ORD) to London (LHR) takes approximately 8h 25m, covering a distance of about 3942 miles (6344 km). Actual flight time varies with aircraft, routing and winds.
Which airlines fly from Chicago to London? expand_more
Airlines that have operated nonstop service on the ORD–LHR route include American Airlines, British Airways, Delta Air Lines, Finnair, Iberia Airlines, Lufthansa Cargo, United Airlines, Virgin Atlantic Airways. Use our search to compare current carriers, schedules and fares.
Is there a nonstop flight from Chicago to London? expand_more
Yes. The ORD–LHR route has nonstop service. Nonstop availability can vary by season and day of week, so check live results for your dates.
How far is London from Chicago? expand_more
The distance from Chicago (ORD) to London (LHR) is about 3942 miles (6344 km) as the crow flies.
What is the time difference between Chicago and London? expand_more
London is 6 hours ahead Chicago. Factor the time change into your arrival and connection planning.
When is the best time to book flights from Chicago to London? expand_more
For international trips like Chicago to London, booking roughly 2–6 months ahead and flying mid-week (Tuesday/Wednesday) tends to surface the lowest fares. Set up a search early and compare a few date options.

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