London (LHR) → Chicago (ORD)
About London to Chicago Flights
Discover the best flights from London to Chicago, covering 6,345 km in approximately 8h 26m. London (LHR) to Chicago (ORD) is one of the major long-haul routes connecting United Kingdom and United States. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from London to Chicago.
12-Month Price History
Flight prices from London to Chicago vary significantly throughout the year. February typically offers the best deals with average prices around $1191, while July sees the highest prices, averaging $1984. Savvy travelers can save up to 40% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
92 days
For best prices
Booking Tips
For the best prices on London to Chicago flights, we recommend booking 107 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
Kalitta Air K4 | $1580 | $6220 | $9080 |
SkyWest Airlines OO | $1720 | $6420 | $9340 |
American Airlines AA | $1820 | $6860 | $10860 |
United Airlines UA | $1830 | $5650 | $10050 |
Delta Air Lines DL | $1890 | $7550 | $10140 |
Air France AF | $1940 | $6420 | $11430 |
British Airways BA | $2320 | $6600 | $10560 |
Kalitta Air
K4
Economy
$1580
Business
$6220
First
$9080
SkyWest Airlines
OO
Economy
$1720
Business
$6420
First
$9340
American Airlines
AA
Economy
$1820
Business
$6860
First
$10860
United Airlines
UA
Economy
$1830
Business
$5650
First
$10050
Delta Air Lines
DL
Economy
$1890
Business
$7550
First
$10140
Air France
AF
Economy
$1940
Business
$6420
First
$11430
British Airways
BA
Economy
$2320
Business
$6600
First
$10560
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
London → Chicago
Gatwick (LGW) to O'Hare International (ORD)
Distance: 6,378 km
Average price: $1374
Birmingham → Chicago
Birmingham (BHX) to O'Hare International (ORD)
Distance: 6,216 km
Average price: $1342
Birmingham → Chicago
Birmingham (BHX) to O'Hare International (ORD)
Distance: 6,216 km
Average price: $1342
Bristol → Chicago
Bristol (BRS) to O'Hare International (ORD)
Distance: 6,209 km
Average price: $1341
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Frequently Asked Questions
How long is the flight from London to Chicago?
The flight time from London (LHR) to Chicago (ORD) is approximately 8 hours and 26 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between London and Chicago?
The aerial distance between London and Chicago is 6,345 kilometers (3,943 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from London to Chicago?
Several airlines operate flights between London and Chicago, including American Airlines, United Airlines, British Airways and 4 more airlines. Most flights on this route include one or more stops.
What is the cheapest month to fly from London to Chicago?
Based on historical data, February typically offers the lowest airfares for flights from London to Chicago. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Chicago?
For the best prices on London to Chicago flights, we recommend booking 133 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from London to Chicago?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of United Kingdom traveling to United States should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between London and Chicago?
London operates on Europe/London time zone, while Chicago is in the America/Chicago time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.