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How Long is the Flight from Chicago to London?

Flying from Chicago to London takes about 7 hours 50 minutes on a direct service. The two cities sit 3,950 miles apart, making this a medium-haul flight. Chicago O'Hare International Airport serves as the primary departure point, with flights landing at London Heathrow Airport. United Airlines, American Airlines, British Airways all fly this route. London is 6 hours ahead of Chicago, something to factor in for jet lag and scheduling meetings or activities on arrival.

Chicago to London Flight Duration & Travel Information

Chicago to London Flight Distance: Approximately 3,950 miles (6,356 kilometers) from Chicago to London.

Average Flight Time: Around 7 hours 50 minutes for direct flights.

Departure Airport: Chicago O'Hare International Airport (ORD).

Arrival Airport: London Heathrow Airport (LHR).

Airlines Operating: United Airlines, American Airlines, British Airways, Aer Lingus provide direct and connecting service on this route.

The Chicago to London flight connects these two cities with multiple daily departures.

Best Airlines Flying from Chicago to London

United Airlines

American Airlines

British Airways

Aer Lingus

What is the Average Flight Time from Chicago to London?

Direct flights from Chicago to London run about 7 hours 50 minutes depending on your routing. Flying via major hubs can add time, but sometimes those tickets cost $150 to $300 less.

United Airlines, American Airlines operate regular service from Chicago O'Hare International Airport. Nonstop options work best for business travelers.

Layovers in hub cities typically last 2 to 4 hours. Longer connections can push total travel time up, but those fares often come in cheaper. Worth checking both options.

London is 6 hours ahead of Chicago. Factor this into meeting schedules.

Eastbound flights run throughout the day. The daytime schedule works well for making the most of travel time.

Booking at least 6 to 8 weeks out usually gets the best fares. Summer months and holidays tend to be pricier, so plan accordingly.

Frequently Asked Questions

How long is the flight from Chicago to London?

The flight from Chicago to London takes around 7 hours 50 minutes on a direct flight. Total travel time depends on your layover city and duration if flying connecting routes.

How far is it from Chicago to London?

The distance from Chicago to London is approximately 3,950 miles (6,356 kilometers). This makes it a medium-haul international route.

What is the time difference between Chicago and London?

London is 6 hours ahead of Chicago. Remember this when scheduling calls or meetings.

Are there direct flights from Chicago to London?

Yes, United Airlines, American Airlines operate direct flights from Chicago to London. Multiple daily departures is available throughout the week.

Which airlines fly from Chicago to London?

United Airlines, American Airlines, British Airways, Aer Lingus operate direct and connecting service from Chicago to London. United Airlines typically has the most weekly departures.

Explore More Flight Times & Routes

Planning beyond this route? Explore more flight times, distances, and travel durations using our tools below.

Start with our Flight Time Calculator to estimate journey times worldwide, or browse average travel times from your departure city using the Chicago Flight Times.