Direct (nonstop) flights from London to Chicago
3 airlines fly nonstop from Heathrow (LHR) to Chicago O Hare International (ORD). It's 3,953 miles (6,362 km), about 9h in the air. Operated by American Airlines, British Airways, United Airlines.
American Airlines
British Airways
United Airlines
Route data last updated: May 28, 2026
Airlines with non-stop flights
AA
American Airlines
Alternative Routes
Other ways to fly from London to Chicago with one stop · direct emits 604 kg CO₂ per passenger
Looking for the return flight?
ORD → LHR: Flights from Chicago to LondonOther direct flights from London
Direct flights from Chicago (ORD)
Frequently Asked Questions
How long is the direct flight from London to Chicago?
A nonstop flight from London (LHR) to Chicago (ORD) takes approximately 9 hours. The distance is 3,953 miles (6,362 km).
Which airlines fly nonstop from London to Chicago?
3 airlines: American Airlines, British Airways, United Airlines.
Is there a nonstop flight from London to Chicago?
Yes. 3 airlines: American Airlines, British Airways, United Airlines.
How far is London from Chicago?
The flight distance from London to Chicago is 3,953 miles (6,362 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Rome.
What is the time difference between London and Chicago?
Chicago is 6 hours behind London. (Europe/London vs America/Chicago.)
Will I experience jet lag flying from London to Chicago?
Probably — 6-hour time difference means moderate jet lag. Expect about 1 day of adjustment per hour of shift. Flying westward is generally easier to adjust to.
What type of aircraft flies from London to Chicago?
At 9h, this route typically uses wide-body aircraft — Boeing 777, 787, or Airbus A330/A350. Varies by airline.
Do I need a visa to travel from United Kingdom to USA?
Depends on your passport. Check with the USA embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from London to Chicago?
Roughly 604 kg CO2 per passenger one-way. That's about the same as driving 3,020 km.
Is the return flight from Chicago to London also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from London to Chicago?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. For long-haul, booking 2-3 months out tends to help. Use "Check Prices" above to compare.
How early should I arrive at Heathrow for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.